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index 56641fb..8809519 100644
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index c970dcd..0c488d8 100644
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+			"boundElements": [],
+			"updated": 1772940884174,
+			"link": null,
+			"locked": false,
+			"text": "多路复用器\n事件监听\n单线程管理多连接",
+			"fontSize": 16,
+			"fontFamily": 5,
+			"textAlign": "center",
+			"verticalAlign": "middle",
+			"containerId": null,
+			"originalText": "多路复用器\n事件监听\n单线程管理多连接",
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+			"index": "a9",
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+			"hasTextLink": false,
+			"rawText": ""
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+			"y": 220,
+			"width": 450,
+			"height": 0,
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+			"strokeStyle": "solid",
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+			"opacity": 100,
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+			"boundElements": [],
+			"updated": 1772940884174,
+			"link": null,
+			"locked": false,
+			"points": [
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+					0,
+					0
+				],
+				[
+					450,
+					0
+				]
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+			"lastCommittedPoint": null,
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+			"endBinding": null,
+			"startArrowhead": null,
+			"endArrowhead": "arrow",
+			"versionNonce": 816415854,
+			"index": "aA",
+			"frameId": null,
+			"hasTextLink": false
+		},
+		{
+			"id": "y4PVGoYN",
+			"type": "text",
+			"x": 545,
+			"y": 195,
+			"width": 64,
+			"height": 20,
+			"angle": 0,
+			"strokeColor": "#3b82f6",
+			"backgroundColor": "transparent",
+			"fillStyle": "solid",
+			"strokeWidth": 2,
+			"strokeStyle": "solid",
+			"roughness": 1,
+			"opacity": 100,
+			"groupIds": [],
+			"roundness": null,
+			"seed": 12,
+			"version": 2,
+			"isDeleted": false,
+			"boundElements": [],
+			"updated": 1772940884174,
+			"link": null,
+			"locked": false,
+			"text": "数据读写",
+			"fontSize": 16,
+			"fontFamily": 5,
+			"textAlign": "center",
+			"verticalAlign": "middle",
+			"containerId": null,
+			"originalText": "数据读写",
+			"autoResize": true,
+			"lineHeight": 1.25,
+			"versionNonce": 737263986,
+			"index": "aB",
+			"frameId": null,
+			"hasTextLink": false,
+			"rawText": ""
+		},
+		{
+			"id": "arrow-channel-selector",
+			"type": "arrow",
+			"x": 260,
+			"y": 290,
+			"width": 260,
+			"height": 150,
+			"angle": 0,
+			"strokeColor": "#f59e0b",
+			"backgroundColor": "transparent",
+			"fillStyle": "solid",
+			"strokeWidth": 2,
+			"strokeStyle": "dashed",
+			"roughness": 1,
+			"opacity": 100,
+			"groupIds": [],
+			"roundness": {
+				"type": 2
+			},
+			"seed": 13,
+			"version": 2,
+			"isDeleted": false,
+			"boundElements": [],
+			"updated": 1772940884174,
+			"link": null,
+			"locked": false,
+			"points": [
+				[
+					0,
+					0
+				],
+				[
+					260,
+					150
+				]
+			],
+			"lastCommittedPoint": null,
+			"startBinding": null,
+			"endBinding": null,
+			"startArrowhead": null,
+			"endArrowhead": "arrow",
+			"versionNonce": 370853550,
+			"index": "aC",
+			"frameId": null,
+			"hasTextLink": false
+		},
+		{
+			"id": "WhZFanNR",
+			"type": "text",
+			"x": 345,
+			"y": 350,
+			"width": 64,
+			"height": 20,
+			"angle": 0,
+			"strokeColor": "#f59e0b",
+			"backgroundColor": "transparent",
+			"fillStyle": "solid",
+			"strokeWidth": 2,
+			"strokeStyle": "solid",
+			"roughness": 1,
+			"opacity": 100,
+			"groupIds": [],
+			"roundness": null,
+			"seed": 14,
+			"version": 2,
+			"isDeleted": false,
+			"boundElements": [],
+			"updated": 1772940884174,
+			"link": null,
+			"locked": false,
+			"text": "注册事件",
+			"fontSize": 16,
+			"fontFamily": 5,
+			"textAlign": "center",
+			"verticalAlign": "middle",
+			"containerId": null,
+			"originalText": "注册事件",
+			"autoResize": true,
+			"lineHeight": 1.25,
+			"versionNonce": 48022322,
+			"index": "aD",
+			"frameId": null,
+			"hasTextLink": false,
+			"rawText": ""
+		},
+		{
+			"id": "arrow-selector-channel",
+			"type": "arrow",
+			"x": 710,
+			"y": 450,
+			"width": 250,
+			"height": 130,
+			"angle": 0,
+			"strokeColor": "#f59e0b",
+			"backgroundColor": "transparent",
+			"fillStyle": "solid",
+			"strokeWidth": 2,
+			"strokeStyle": "solid",
+			"roughness": 1,
+			"opacity": 100,
+			"groupIds": [],
+			"roundness": {
+				"type": 2
+			},
+			"seed": 15,
+			"version": 2,
+			"isDeleted": false,
+			"boundElements": [],
+			"updated": 1772940884174,
+			"link": null,
+			"locked": false,
+			"points": [
+				[
+					0,
+					0
+				],
+				[
+					-250,
+					-130
+				]
+			],
+			"lastCommittedPoint": null,
+			"startBinding": null,
+			"endBinding": null,
+			"startArrowhead": null,
+			"endArrowhead": "arrow",
+			"versionNonce": 950649070,
+			"index": "aE",
+			"frameId": null,
+			"hasTextLink": false
+		},
+		{
+			"id": "QItxiuFB",
+			"type": "text",
+			"x": 545,
+			"y": 390,
+			"width": 64,
+			"height": 20,
+			"angle": 0,
+			"strokeColor": "#f59e0b",
+			"backgroundColor": "transparent",
+			"fillStyle": "solid",
+			"strokeWidth": 2,
+			"strokeStyle": "solid",
+			"roughness": 1,
+			"opacity": 100,
+			"groupIds": [],
+			"roundness": null,
+			"seed": 16,
+			"version": 2,
+			"isDeleted": false,
+			"boundElements": [],
+			"updated": 1772940884174,
+			"link": null,
+			"locked": false,
+			"text": "事件分发",
+			"fontSize": 16,
+			"fontFamily": 5,
+			"textAlign": "center",
+			"verticalAlign": "middle",
+			"containerId": null,
+			"originalText": "事件分发",
+			"autoResize": true,
+			"lineHeight": 1.25,
+			"versionNonce": 1350667506,
+			"index": "aF",
+			"frameId": null,
+			"hasTextLink": false,
+			"rawText": ""
+		}
+	],
+	"appState": {
+		"theme": "light",
+		"viewBackgroundColor": "#ffffff",
+		"currentItemStrokeColor": "#1e1e1e",
+		"currentItemBackgroundColor": "transparent",
+		"currentItemFillStyle": "solid",
+		"currentItemStrokeWidth": 2,
+		"currentItemStrokeStyle": "solid",
+		"currentItemRoughness": 1,
+		"currentItemOpacity": 100,
+		"currentItemFontFamily": 5,
+		"currentItemFontSize": 20,
+		"currentItemTextAlign": "left",
+		"currentItemStartArrowhead": null,
+		"currentItemEndArrowhead": "arrow",
+		"currentItemArrowType": "round",
+		"currentItemFrameRole": null,
+		"scrollX": -126.31591366168612,
+		"scrollY": 37.49614013341022,
+		"zoom": {
+			"value": 1.271417
+		},
+		"currentItemRoundness": "round",
+		"gridSize": 20,
+		"gridStep": 5,
+		"gridModeEnabled": false,
+		"gridColor": {
+			"Bold": "rgba(217, 217, 217, 0.5)",
+			"Regular": "rgba(230, 230, 230, 0.5)"
+		},
+		"currentStrokeOptions": null,
+		"frameRendering": {
+			"enabled": true,
+			"clip": true,
+			"name": true,
+			"outline": true,
+			"markerName": true,
+			"markerEnabled": true
+		},
+		"objectsSnapModeEnabled": false,
+		"activeTool": {
+			"type": "selection",
+			"customType": null,
+			"locked": false,
+			"fromSelection": false,
+			"lastActiveTool": null
+		},
+		"disableContextMenu": false
+	},
+	"files": {}
 }
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diff --git a/10-中间件/Selector多路复用模型.excalidraw b/10-中间件/Selector多路复用模型.excalidraw
deleted file mode 100644
index 9dc97e5..0000000
--- a/10-中间件/Selector多路复用模型.excalidraw
+++ /dev/null
@@ -1,499 +0,0 @@
-{
-  "type": "excalidraw",
-  "version": 2,
-  "source": "https://excalidraw.com",
-  "elements": [
-    {
-      "id": "title",
-      "type": "text",
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-      "width": 400,
-      "height": 35,
-      "angle": 0,
-      "strokeColor": "#1e40af",
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-      "fillStyle": "solid",
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-      "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",
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-      "strokeStyle": "solid",
-      "roughness": 1,
-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
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-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "selector-text",
-      "type": "text",
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-      "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",
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-      "fillStyle": "solid",
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-      "strokeStyle": "solid",
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-      "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",
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-      "strokeStyle": "solid",
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-      "opacity": 100,
-      "groupIds": [],
-      "roundness": {"type": 3},
-      "seed": 7,
-      "version": 1,
-      "isDeleted": false,
-      "boundElements": null,
-      "updated": 1,
-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "channel2-text",
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-      "y": 285,
-      "width": 70,
-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#1864ab",
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-      "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,
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-      "height": 60,
-      "angle": 0,
-      "strokeColor": "#1971c2",
-      "backgroundColor": "#a5d8ff",
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-      "strokeWidth": 2,
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-      "opacity": 100,
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-      "link": null,
-      "locked": false
-    },
-    {
-      "id": "channel3-text",
-      "type": "text",
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-      "y": 285,
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-      "height": 30,
-      "angle": 0,
-      "strokeColor": "#1864ab",
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-      "fillStyle": "solid",
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-      "groupIds": [],
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-      "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",
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-      "strokeStyle": "solid",
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-      "opacity": 100,
-      "groupIds": [],
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-      "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",
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-      "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",
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-      "opacity": 100,
-      "groupIds": [],
-      "roundness": null,
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-      "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",
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-      "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",
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diff --git a/10-中间件/零拷贝原理对比.excalidraw b/10-中间件/零拷贝原理对比.excalidraw
deleted file mode 100644
index 40d1c68..0000000
--- a/10-中间件/零拷贝原理对比.excalidraw
+++ /dev/null
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