diff --git a/.obsidian/plugins/obsidian-excalidraw-plugin/data.json b/.obsidian/plugins/obsidian-excalidraw-plugin/data.json
index 6b4d5ac..97af964 100644
--- a/.obsidian/plugins/obsidian-excalidraw-plugin/data.json
+++ b/.obsidian/plugins/obsidian-excalidraw-plugin/data.json
@@ -29,7 +29,7 @@
   "annotateSuffix": "",
   "annotatePrefix": "annotated_",
   "annotatePreserveSize": false,
-  "previewImageType": "SVGIMG",
+  "previewImageType": "SVG",
   "renderingConcurrency": 3,
   "allowImageCache": true,
   "allowImageCacheInScene": true,
@@ -97,7 +97,7 @@
   "embedMarkdownCommentLinks": true,
   "embedWikiLink": true,
   "syncExcalidraw": false,
-  "experimentalFileType": false,
+  "experimentalFileType": true,
   "experimentalFileTag": "✏️",
   "experimentalLivePreview": true,
   "fadeOutExcalidrawMarkup": false,
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 9bc5158..4c56a39 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -11,14 +11,12 @@
             "id": "fcbc762a80282002",
             "type": "leaf",
             "state": {
-              "type": "markdown",
+              "type": "excalidraw",
               "state": {
-                "file": "10-中间件/Java NIO核心原理.md",
-                "mode": "source",
-                "source": false
+                "file": "10-中间件/Java NIO三大核心组件架构.md"
               },
-              "icon": "lucide-file",
-              "title": "Java NIO核心原理"
+              "icon": "excalidraw-icon",
+              "title": "Java NIO三大核心组件架构"
             }
           }
         ]
@@ -94,7 +92,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "10-中间件/Java NIO核心原理.md",
+                "file": "10-中间件/Java NIO三大核心组件架构.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -104,7 +102,7 @@
                 "unlinkedCollapsed": true
               },
               "icon": "links-coming-in",
-              "title": "Java NIO核心原理 的反向链接列表"
+              "title": "Java NIO三大核心组件架构 的反向链接列表"
             }
           },
           {
@@ -113,12 +111,12 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "10-中间件/Java NIO核心原理.md",
+                "file": "10-中间件/Java NIO三大核心组件架构.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               },
               "icon": "links-going-out",
-              "title": "Java NIO核心原理 的出链列表"
+              "title": "Java NIO三大核心组件架构 的出链列表"
             }
           },
           {
@@ -156,13 +154,13 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "10-中间件/Java NIO核心原理.md",
+                "file": "10-中间件/Java NIO三大核心组件架构.md",
                 "followCursor": false,
                 "showSearch": false,
                 "searchQuery": ""
               },
               "icon": "lucide-list",
-              "title": "Java NIO核心原理 的大纲"
+              "title": "Java NIO三大核心组件架构 的大纲"
             }
           },
           {
@@ -198,14 +196,15 @@
   },
   "active": "fcbc762a80282002",
   "lastOpenFiles": [
-    "10-中间件/零拷贝原理对比.md",
-    "10-中间件/Buffer核心属性.md",
     "10-中间件/Java NIO三大核心组件架构.excalidraw",
-    "10-中间件/Java NIO核心原理.md",
     "10-中间件/Java NIO三大核心组件架构.md",
-    "10-中间件/Selector多路复用模型.md",
+    "10-中间件/Buffer核心属性.md",
     "10-中间件/Buffer核心属性.excalidraw",
+    "10-中间件/零拷贝原理对比.md",
     "10-中间件/零拷贝原理对比.excalidraw",
+    "README.md",
+    "10-中间件/Java NIO核心原理.md",
+    "10-中间件/Selector多路复用模型.md",
     "10-中间件/Netty核心原理.md",
     "10-中间件/Selector多路复用模型.excalidraw",
     "00-项目概述/项目概述.md",
@@ -227,8 +226,6 @@
     "16-LeetCode Hot 100/最大正方形.md",
     "16-LeetCode Hot 100/柱状图中最大的矩形.md",
     "16-LeetCode Hot 100/单词搜索.md",
-    "16-LeetCode Hot 100/子集.md",
-    "16-LeetCode Hot 100/最长回文子串.md",
     "16-LeetCode Hot 100",
     "00-项目概述",
     "questions/15-简历面试",
diff --git a/10-中间件/Buffer核心属性.md b/10-中间件/Buffer核心属性.md
index 976542d..ac217d9 100644
--- a/10-中间件/Buffer核心属性.md
+++ b/10-中间件/Buffer核心属性.md
@@ -7,596 +7,95 @@ tags: [excalidraw]
 # Excalidraw Data
 
 ## Text Elements
+Buffer 核心属性与操作方法 ^title
+
+Buffer 内存布局 ^F170UwND
+
+已处理数据 ^uEcrHn40
+
+可读/写数据 ^nl2gkhR5
+
+不可访问 ^7u7LcHEP
+
+mark ^XDipkAsd
+
+position ^n5M44OQA
+
+limit ^TmqgLMcU
+
+capacity ^rj9qYWgW
+
+核心操作方法 ^qybO9QdY
+
+mark「」
+标记当前 position 位置 ^method1
+
+reset「」
+恢复到 mark 位置 ^method2
+
+clear「」
+position=0, limit=capacity ^method3
+
+flip「」
+limit=position, position=0 ^method4
+
 %%
 ## Drawing
-```json
-{
-  "type": "excalidraw",
-  "version": 2,
-  "source": "https://github.com/zsviczian/obsidian-excalidraw-plugin",
-  "elements": [
-    {
-      "id": "title",
-      "type": "text",
-      "x": 350,
-      "y": 30,
-      "width": 500,
-      "height": 35,
-      "angle": 0,
-      "strokeColor": "#1e40af",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 1,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Buffer 核心属性与操作方法",
-      "fontSize": 28,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Buffer 核心属性与操作方法",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "buffer-title",
-      "type": "text",
-      "x": 480,
-      "y": 100,
-      "width": 240,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#1e40af",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 2,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Buffer 内存布局",
-      "fontSize": 24,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Buffer 内存布局",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "processed-box",
-      "type": "rectangle",
-      "x": 150,
-      "y": 160,
-      "width": 200,
-      "height": 80,
-      "angle": 0,
-      "strokeColor": "#2f9e44",
-      "backgroundColor": "#b2f2bb",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 3,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "processed-label",
-      "type": "text",
-      "x": 200,
-      "y": 185,
-      "width": 100,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#2b8a3e",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 4,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "已处理数据",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "已处理数据",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "readwrite-box",
-      "type": "rectangle",
-      "x": 360,
-      "y": 160,
-      "width": 280,
-      "height": 80,
-      "angle": 0,
-      "strokeColor": "#1971c2",
-      "backgroundColor": "#a5d8ff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 5,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "readwrite-label",
-      "type": "text",
-      "x": 450,
-      "y": 185,
-      "width": 100,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#1864ab",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 6,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "可读/写数据",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "可读/写数据",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "inaccessible-box",
-      "type": "rectangle",
-      "x": 650,
-      "y": 160,
-      "width": 200,
-      "height": 80,
-      "angle": 0,
-      "strokeColor": "#e03131",
-      "backgroundColor": "#ffc9c9",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 7,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "inaccessible-label",
-      "type": "text",
-      "x": 690,
-      "y": 185,
-      "width": 120,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#c92a2a",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 8,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "不可访问",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "不可访问",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "mark-label",
-      "type": "text",
-      "x": 150,
-      "y": 255,
-      "width": 70,
-      "height": 25,
-      "angle": 0,
-      "strokeColor": "#f59e0b",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 9,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "mark",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "mark",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "position-label",
-      "type": "text",
-      "x": 360,
-      "y": 255,
-      "width": 100,
-      "height": 25,
-      "angle": 0,
-      "strokeColor": "#3b82f6",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 10,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "position",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "position",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "limit-label",
-      "type": "text",
-      "x": 640,
-      "y": 255,
-      "width": 70,
-      "height": 25,
-      "angle": 0,
-      "strokeColor": "#e03131",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 11,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "limit",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "limit",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "capacity-label",
-      "type": "text",
-      "x": 850,
-      "y": 255,
-      "width": 100,
-      "height": 25,
-      "angle": 0,
-      "strokeColor": "#7c3aed",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 12,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "capacity",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "capacity",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "methods-box",
-      "type": "rectangle",
-      "x": 150,
-      "y": 320,
-      "width": 700,
-      "height": 200,
-      "angle": 0,
-      "strokeColor": "#5c7cfa",
-      "backgroundColor": "#d0ebff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 13,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "methods-title",
-      "type": "text",
-      "x": 410,
-      "y": 335,
-      "width": 180,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#364fc7",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 14,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "核心操作方法",
-      "fontSize": 24,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "核心操作方法",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "method1",
-      "type": "text",
-      "x": 180,
-      "y": 385,
-      "width": 300,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#374151",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 15,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "mark「」\n标记当前 position 位置",
-      "fontSize": 18,
-      "fontFamily": 5,
-      "textAlign": "left",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "mark「」\n标记当前 position 位置",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "method2",
-      "type": "text",
-      "x": 510,
-      "y": 385,
-      "width": 300,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#374151",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 16,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "reset「」\n恢复到 mark 位置",
-      "fontSize": 18,
-      "fontFamily": 5,
-      "textAlign": "left",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "reset「」\n恢复到 mark 位置",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "method3",
-      "type": "text",
-      "x": 180,
-      "y": 450,
-      "width": 300,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#374151",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 17,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "clear「」\nposition=0, limit=capacity",
-      "fontSize": 18,
-      "fontFamily": 5,
-      "textAlign": "left",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "clear「」\nposition=0, limit=capacity",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "method4",
-      "type": "text",
-      "x": 510,
-      "y": 450,
-      "width": 300,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#374151",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 18,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "flip「」\nlimit=position, position=0",
-      "fontSize": 18,
-      "fontFamily": 5,
-      "textAlign": "left",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "flip「」\nlimit=position, position=0",
-      "autoResize": true,
-      "lineHeight": 1.25
-    }
-  ],
-  "appState": {
-    "gridSize": null,
-    "viewBackgroundColor": "#ffffff"
-  },
-  "files": {}
-}
+```compressed-json
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+
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+
+1yNbwON9RTc1171zF0p3UgPIRxc5dS8riHp9kJxP+IlCF7cNkKVyfIRfMSG2Td42UJzGu022KIhNLCdy7q40wNRCbLd2cPd6QCV5Zgd87jF3YPmaJbkISJzHAIV5xO92V5w+cOHIQIwEBEF/gDt4c3ZmEMEJDz0cyOe/cAYOp4XhTv9WI2twYISBkCj4eHj/gKELuJD9D7D99DF44MwPt+8CeBWNIdkEILKeAIfNbcEFVhpCABpEAA==
 ```
 %%
\ No newline at end of file
diff --git a/10-中间件/Java NIO三大核心组件架构.md b/10-中间件/Java NIO三大核心组件架构.md
index fb1bd23..b7bc3e5 100644
--- a/10-中间件/Java NIO三大核心组件架构.md	
+++ b/10-中间件/Java NIO三大核心组件架构.md	
@@ -33,6 +33,32 @@ Selector ^EzyNSyMP
 
 事件分发 ^W2YtCdM1
 
+Java NIO 三大核心组件 ^title
+
+Channel ^2X52NCNg
+
+数据通道
+双向数据流
+非阻塞I/O ^MrNWXSvf
+
+Buffer ^an1w8pS5
+
+数据容器
+数据存储
+读写切换 ^dWE7ePO1
+
+Selector ^HFLUjTxi
+
+多路复用器
+事件监听
+单线程管理多连接 ^t1Kg2Zpr
+
+数据读写 ^fTvjwqXe
+
+注册事件 ^0qu1wdtb
+
+事件分发 ^vpw9Q2uL
+
 %%
 ## Drawing
 ```compressed-json
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+tnS1HKrnyQhacChe3ArlGL14FDDW8IwtrsbCEHy9x+meHjir0kF8FZ+PGElhLV6qL8VhlLNYWJVUGK1N2OwpESpW34GCbB+7dvCYN1oGZDKZ/PzhfysFX8kuNwiAGCN95KjXhZnd4SnU+HfCoiX/SZJHx/btogRsfADhqTNEQiuGkAi9v5wz6wjlR0NAsixAOxQIj6MHSRsuFKGK4zmFQnAR6JHCPCnmWkcAJHCuBwB9cUQZoPNyKDQAjgWQSoIe
+
+DOB9AGAhABABQAnxcjA8JUGsf0QSIiBpEKoZoPoDJDEVGawIDsUfi+ENjLoTYzIJWP7bciqMoqR+iWOwA9icgfY/QMuH5FXF+a3Y95r2ObGtihRyhBcY2OXEiixBY4icVACnGoQFhEo9cUuMyDthlhQlY/LuKnHLhWmgfSiMeMnHNibxLSR/BCwfF7jmxakffMEDBAxV3xU4skPDwjbJCTC/45sUGBR7AT0h1AzITuMXGPjMgqPECJaQNhtAwJmQ
+
+ZcBegPEUhZMjwbAC8GJCkxuAzgKGNoEyowI1gaFDmESg4h4SCJ+AQ0l0CSBxskKCNTAklFTBvQIARgNgAYBzFAwCAOEKDqLBpRbBZs6E/QAeLm4SBUJJY+ECQEaZvj5JxAMkAgDgCv89egEIkWwG4gQTtYwQFJppJIBCpEEE+b4MTFIDKBoQAACnIQKFeAYsagA5PslJAtgAASnxDoRlAJoHEJtism4BbJcsXgEFJ4BBTXJHk8SeOPglThmoZ4q8
+
+JwFibL4sJzrJgDD1QCIJsg+k+6PuQSJEB1JPnMfKsgLEFTJQyEfCN6LHz6AcQ7wNBCjAqkCgqppAGqXpM0AGSKp4kuwCFVUbMASQqyOAMgh0kIAWpbUy3lcDsiEBGAIEXifgH4nzRLSJA8aS4lfBCAngBgZCYMTO5XCkuYIF4C2LwYqVr++rJ4HuHGmTTppPOcSY4GYBZSvgZ4GsMgmyBCBVS4AIFDzWCCzQUxWkIAA=
 ```
 %%
\ No newline at end of file
diff --git a/10-中间件/Selector多路复用模型.md b/10-中间件/Selector多路复用模型.md
index d9001b2..29bd48c 100644
--- a/10-中间件/Selector多路复用模型.md
+++ b/10-中间件/Selector多路复用模型.md
@@ -7,507 +7,83 @@ tags: [excalidraw]
 # Excalidraw Data
 
 ## Text Elements
+Selector 多路复用模型 ^title
+
+Selector
+select「」等待 ^dKlwZWLB
+
+Channel1
+就绪 ^iCbx4jCI
+
+Channel2
+就绪 ^XNZeJbHS
+
+Channel3
+就绪 ^KPimaPoH
+
+... ^g2B63Pk5
+
+Event Loop ^Th3JCxgv
+
+• select「」 - 等待就绪事件
+• process「」 - 处理事件
+• repeat - 循环执行 ^3nHPhhA0
+
+单线程管理 ^EU4MXsdi
+
 %%
 ## Drawing
-```json
-{
-  "type": "excalidraw",
-  "version": 2,
-  "source": "https://github.com/zsviczian/obsidian-excalidraw-plugin",
-  "elements": [
-    {
-      "id": "title",
-      "type": "text",
-      "x": 400,
-      "y": 30,
-      "width": 400,
-      "height": 35,
-      "angle": 0,
-      "strokeColor": "#1e40af",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 1,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Selector 多路复用模型",
-      "fontSize": 28,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Selector 多路复用模型",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "selector-container",
-      "type": "rectangle",
-      "x": 200,
-      "y": 120,
-      "width": 800,
-      "height": 250,
-      "angle": 0,
-      "strokeColor": "#f59e0b",
-      "backgroundColor": "#fff3bf",
-      "fillStyle": "solid",
-      "strokeWidth": 3,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 30,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 2,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "selector-box",
-      "type": "rectangle",
-      "x": 480,
-      "y": 145,
-      "width": 240,
-      "height": 80,
-      "angle": 0,
-      "strokeColor": "#e67700",
-      "backgroundColor": "#ffd8a8",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 3,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "selector-text",
-      "type": "text",
-      "x": 535,
-      "y": 160,
-      "width": 130,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#e67700",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 4,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Selector\nselect「」等待",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Selector\nselect「」等待",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "channel1-box",
-      "type": "rectangle",
-      "x": 250,
-      "y": 270,
-      "width": 120,
-      "height": 60,
-      "angle": 0,
-      "strokeColor": "#1971c2",
-      "backgroundColor": "#a5d8ff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 5,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "channel1-text",
-      "type": "text",
-      "x": 275,
-      "y": 285,
-      "width": 70,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#1864ab",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 6,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Channel1\n就绪",
-      "fontSize": 16,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Channel1\n就绪",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "channel2-box",
-      "type": "rectangle",
-      "x": 440,
-      "y": 270,
-      "width": 120,
-      "height": 60,
-      "angle": 0,
-      "strokeColor": "#1971c2",
-      "backgroundColor": "#a5d8ff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 7,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "channel2-text",
-      "type": "text",
-      "x": 465,
-      "y": 285,
-      "width": 70,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#1864ab",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 8,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Channel2\n就绪",
-      "fontSize": 16,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Channel2\n就绪",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "channel3-box",
-      "type": "rectangle",
-      "x": 630,
-      "y": 270,
-      "width": 120,
-      "height": 60,
-      "angle": 0,
-      "strokeColor": "#1971c2",
-      "backgroundColor": "#a5d8ff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 9,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "channel3-text",
-      "type": "text",
-      "x": 655,
-      "y": 285,
-      "width": 70,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#1864ab",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 10,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Channel3\n就绪",
-      "fontSize": 16,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Channel3\n就绪",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "channel-dots",
-      "type": "text",
-      "x": 800,
-      "y": 285,
-      "width": 50,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#374151",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 11,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "...",
-      "fontSize": 24,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "...",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "eventloop-box",
-      "type": "rectangle",
-      "x": 400,
-      "y": 420,
-      "width": 400,
-      "height": 120,
-      "angle": 0,
-      "strokeColor": "#7c3aed",
-      "backgroundColor": "#d0bfff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 12,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "eventloop-title",
-      "type": "text",
-      "x": 520,
-      "y": 435,
-      "width": 160,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#5f3dc4",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 13,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Event Loop",
-      "fontSize": 24,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Event Loop",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "eventloop-desc",
-      "type": "text",
-      "x": 420,
-      "y": 480,
-      "width": 360,
-      "height": 45,
-      "angle": 0,
-      "strokeColor": "#374151",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 14,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "• select「」 - 等待就绪事件\n• process「」 - 处理事件\n• repeat - 循环执行",
-      "fontSize": 16,
-      "fontFamily": 5,
-      "textAlign": "left",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "• select「」 - 等待就绪事件\n• process「」 - 处理事件\n• repeat - 循环执行",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "arrow-thread",
-      "type": "arrow",
-      "x": 600,
-      "y": 370,
-      "width": 0,
-      "height": 40,
-      "angle": 0,
-      "strokeColor": "#7c3aed",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 3,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 2},
-      "seed": 15,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "points": [[0, 0], [0, 40]],
-      "lastCommittedPoint": null,
-      "startBinding": null,
-      "endBinding": null,
-      "startArrowhead": null,
-      "endArrowhead": "arrow"
-    },
-    {
-      "id": "label-onethread",
-      "type": "text",
-      "x": 615,
-      "y": 380,
-      "width": 100,
-      "height": 20,
-      "angle": 0,
-      "strokeColor": "#7c3aed",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 16,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "单线程管理",
-      "fontSize": 16,
-      "fontFamily": 5,
-      "textAlign": "left",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "单线程管理",
-      "autoResize": true,
-      "lineHeight": 1.25
-    }
-  ],
-  "appState": {
-    "gridSize": null,
-    "viewBackgroundColor": "#ffffff"
-  },
-  "files": {}
-}
+```compressed-json
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 ```
 %%
\ No newline at end of file
diff --git a/10-中间件/零拷贝原理对比.md b/10-中间件/零拷贝原理对比.md
index 354afaa..4676791 100644
--- a/10-中间件/零拷贝原理对比.md
+++ b/10-中间件/零拷贝原理对比.md
@@ -7,1093 +7,129 @@ tags: [excalidraw]
 # Excalidraw Data
 
 ## Text Elements
+零拷贝 vs 传统 I/O ^title
+
+传统 I/O「4次拷贝, 4次切换」 ^pPR2Zi0q
+
+磁盘 ^r8UcNJoO
+
+内核缓冲 ^lOhSI8AQ
+
+用户缓冲 ^ExFxKHzC
+
+Socket缓冲 ^GFkKE7aE
+
+网卡 ^nic-text
+
+① DMA ^label1
+
+② CPU ^label2
+
+③ CPU ^label3
+
+④ DMA ^label4
+
+零拷贝「2次拷贝, 2次切换」 ^IIlpdTRV
+
+磁盘 ^P64EyGfA
+
+内核缓冲 ^gSiJQa7m
+
+网卡 ^OdYyV6Ec
+
+① DMA ^label5
+
+② DMA ^label6
+
+优势: 减少2次CPU拷贝, 减少2次上下文切换 ^A7Gs02Kh
+
 %%
 ## Drawing
-```json
-{
-  "type": "excalidraw",
-  "version": 2,
-  "source": "https://github.com/zsviczian/obsidian-excalidraw-plugin",
-  "elements": [
-    {
-      "id": "title",
-      "type": "text",
-      "x": 350,
-      "y": 20,
-      "width": 500,
-      "height": 35,
-      "angle": 0,
-      "strokeColor": "#1e40af",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 1,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "零拷贝 vs 传统 I/O",
-      "fontSize": 28,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "零拷贝 vs 传统 I/O",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "traditional-box",
-      "type": "rectangle",
-      "x": 50,
-      "y": 100,
-      "width": 500,
-      "height": 400,
-      "angle": 0,
-      "strokeColor": "#e03131",
-      "backgroundColor": "#ffe3e3",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 30,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 2,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "traditional-title",
-      "type": "text",
-      "x": 150,
-      "y": 120,
-      "width": 300,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#c92a2a",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 3,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "传统 I/O「4次拷贝, 4次切换」",
-      "fontSize": 22,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "传统 I/O「4次拷贝, 4次切换」",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "disk-box",
-      "type": "rectangle",
-      "x": 100,
-      "y": 180,
-      "width": 120,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#5c7cfa",
-      "backgroundColor": "#d0ebff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 4,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "disk-text",
-      "type": "text",
-      "x": 130,
-      "y": 190,
-      "width": 60,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#364fc7",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 5,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "磁盘",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "磁盘",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "kernel-box",
-      "type": "rectangle",
-      "x": 100,
-      "y": 280,
-      "width": 120,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#f59e0b",
-      "backgroundColor": "#ffd8a8",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 6,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "kernel-text",
-      "type": "text",
-      "x": 110,
-      "y": 290,
-      "width": 100,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#e67700",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 7,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "内核缓冲",
-      "fontSize": 18,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "内核缓冲",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "user-box",
-      "type": "rectangle",
-      "x": 100,
-      "y": 380,
-      "width": 120,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#2f9e44",
-      "backgroundColor": "#b2f2bb",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 8,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "user-text",
-      "type": "text",
-      "x": 110,
-      "y": 390,
-      "width": 100,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#2b8a3e",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 9,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "用户缓冲",
-      "fontSize": 18,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "用户缓冲",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "socket-box",
-      "type": "rectangle",
-      "x": 380,
-      "y": 280,
-      "width": 120,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#7c3aed",
-      "backgroundColor": "#d0bfff",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 10,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "socket-text",
-      "type": "text",
-      "x": 390,
-      "y": 290,
-      "width": 100,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#5f3dc4",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 11,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "Socket缓冲",
-      "fontSize": 18,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "Socket缓冲",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "nic-box",
-      "type": "rectangle",
-      "x": 380,
-      "y": 180,
-      "width": 120,
-      "height": 50,
-      "angle": 0,
-      "strokeColor": "#e03131",
-      "backgroundColor": "#ffc9c9",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 12,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "nic-text",
-      "type": "text",
-      "x": 400,
-      "y": 190,
-      "width": 80,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#c92a2a",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
-      "seed": 13,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "text": "网卡",
-      "fontSize": 20,
-      "fontFamily": 5,
-      "textAlign": "center",
-      "verticalAlign": "middle",
-      "containerId": null,
-      "originalText": "网卡",
-      "autoResize": true,
-      "lineHeight": 1.25
-    },
-    {
-      "id": "arrow1",
-      "type": "arrow",
-      "x": 160,
-      "y": 230,
-      "width": 0,
-      "height": 40,
-      "angle": 0,
-      "strokeColor": "#1971c2",
-      "backgroundColor": "transparent",
-      "fillStyle": "solid",
-      "strokeWidth": 2,
-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 2},
-      "seed": 14,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false,
-      "points": [[0, 0], [0, 40]],
-      "lastCommittedPoint": null,
-      "startBinding": null,
-      "endBinding": null,
-      "startArrowhead": null,
-      "endArrowhead": "arrow"
-    },
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 ```
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