From 45c668e9707ff1d5e1685b8218d7b3b0333d68b1 Mon Sep 17 00:00:00 2001
From: Wonder <hezhaohui0807@163.com>
Date: Sat, 28 Mar 2026 20:00:08 +0800
Subject: [PATCH] =?UTF-8?q?=20=E2=99=BB=EF=B8=8FRefactor:=20=E6=B8=85?=
 =?UTF-8?q?=E9=99=A4=20mermaid?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/agent/basicAgent.go         |   18 +-
 backend/handlers/agent.go           |   11 +-
 backend/main.go                     |    8 -
 backend/prompt/mermaid.txt          |    6 -
 backend/response_struct/mermaid.go  |    6 -
 backend/utils/tool.go               |   26 -
 frontend/package-lock.json          | 1241 +--------------------------
 frontend/package.json               |    1 -
 frontend/src/App.tsx                |   41 +-
 frontend/src/components/Mermaid.tsx |   94 --
 10 files changed, 17 insertions(+), 1435 deletions(-)
 delete mode 100644 backend/prompt/mermaid.txt
 delete mode 100644 backend/response_struct/mermaid.go
 delete mode 100644 backend/utils/tool.go
 delete mode 100644 frontend/src/components/Mermaid.tsx

diff --git a/backend/agent/basicAgent.go b/backend/agent/basicAgent.go
index b69a749..e319a86 100644
--- a/backend/agent/basicAgent.go
+++ b/backend/agent/basicAgent.go
@@ -44,7 +44,7 @@ func CallWithMessage(llm llms.Model, ctx context.Context, prompt string) (respon
 	return response
 
 }
-func CallWithAgent(llm llms.Model, ctx context.Context, topic string, promptPath string,) (response string) {
+func CallWithAgent(llm llms.Model, ctx context.Context, topic string, promptPath string) (response string) {
 	content, err := os.ReadFile(promptPath)
 	if err != nil {
 		fmt.Printf("File err: %v", err)
@@ -67,13 +67,13 @@ func CallWithAgent(llm llms.Model, ctx context.Context, topic string, promptPath
 }
 
 func CallWithAgentDefined[T any](llm llms.Model, ctx context.Context, topic string, promptPath string, responseType T) (response T) {
-	
+
 	parse, err := outputparser.NewDefined(responseType)
 	if err != nil {
 		fmt.Printf("CreateParse err: %v", err)
 		return
 	}
-	
+
 	content, err := os.ReadFile(promptPath)
 	if err != nil {
 		fmt.Printf("File err: %v", err)
@@ -93,25 +93,25 @@ func CallWithAgentDefined[T any](llm llms.Model, ctx context.Context, topic stri
 	if err != nil {
 		fmt.Printf("Prompt err: %v", err)
 	}
-	
+
 	responseString, err := llms.GenerateFromSinglePrompt(
 		ctx,
 		llm,
 		"用户正在学习Go语言和React框架，你是用户的助手。\n"+prompt,
 	)
 
-	
-
 	if err != nil {
 		log.Fatal(err)
 	}
 
+	responseString = strings.TrimPrefix(responseString, "\n")
+	responseString = strings.TrimSuffix(responseString, "\n")
 
 	if !strings.Contains(responseString, "```json") {
-		responseString = "```json\n" + responseString + "```"
+		responseString = "```json\n" + responseString + "\n```"
 	}
 
-  	fmt.Printf("AI: %s\n\n",responseString)
+	// fmt.Printf("AI: %s\n\n", responseString)
 
 	response, err = parse.Parse(responseString)
 	if err != nil {
@@ -119,5 +119,7 @@ func CallWithAgentDefined[T any](llm llms.Model, ctx context.Context, topic stri
 		return
 	}
 
+	fmt.Printf("API:\n%v", response)
+
 	return response
 }
diff --git a/backend/handlers/agent.go b/backend/handlers/agent.go
index ba236b4..cee35ba 100644
--- a/backend/handlers/agent.go
+++ b/backend/handlers/agent.go
@@ -11,7 +11,6 @@ import (
 var files = []string{
 	".\\prompt\\card.txt",
 	".\\prompt\\guodegang.txt",
-	".\\prompt\\mermaid.txt",
 	".\\prompt\\quiz.txt",
 	".\\prompt\\scenario.txt",
 }
@@ -28,20 +27,14 @@ func GetGuodegang(llm llms.Model, ctx context.Context, topic string) (response r
 	return
 }
 
-func GetMermaid(llm llms.Model, ctx context.Context, topic string) (response response_struct.Mermaid) {
-	file := files[2]
-	response = agent.CallWithAgentDefined(llm, ctx, topic, file, response_struct.Mermaid{})
-	return
-}
-
 func GetQuiz(llm llms.Model, ctx context.Context, topic string) (response response_struct.Quiz) {
-	file := files[3]
+	file := files[2]
 	response = agent.CallWithAgentDefined(llm, ctx, topic, file, response_struct.Quiz{})
 	return
 }
 
 func GetScenario(llm llms.Model, ctx context.Context, topic string) (response response_struct.Scenario) {
-	file := files[4]
+	file := files[3]
 	response = agent.CallWithAgentDefined(llm, ctx, topic, file, response_struct.Scenario{})
 	return
 }
diff --git a/backend/main.go b/backend/main.go
index 09efedc..1d2b783 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -69,13 +69,6 @@ func main() {
 			"message": message,
 		})
 	})
-	route.GET("/mermaid/:topic", func(c *gin.Context) {
-		topic := c.Param("topic")
-		message := handle.GetMermaid(llm, ctx, topic)
-		c.JSON(200, gin.H{
-			"message": message,
-		})
-	})
 	route.GET("/quiz/:topic", func(c *gin.Context) {
 		topic := c.Param("topic")
 		message := handle.GetQuiz(llm, ctx, topic)
@@ -93,5 +86,4 @@ func main() {
 
 	route.Run()
 
-	
 }
diff --git a/backend/prompt/mermaid.txt b/backend/prompt/mermaid.txt
deleted file mode 100644
index 680b9e5..0000000
--- a/backend/prompt/mermaid.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-请为"{{.Knowledge}}"生成一个Mermaid思维导图或流程图，要求：
-1. 零未定义节点：所有节点（A[文本]、B(文本)等）必须在关系语句前先定义。
-2. 严格缩进与换行：使用2个空格缩进，每条关系语句独立成行。
-3. 括号与引号成对：所有()、[]、<>、""必须严格配对，无多余空格。
-4. 箭头方向明确：使用标准箭头 -->、---、-.-> 等，禁止使用 ->（不完整）或 =>（错误）。
-5. 避免中文直接嵌入：若需中文，确保用双引号包裹（如 A["开始"]），或建议用户使用英文标签。
\ No newline at end of file
diff --git a/backend/response_struct/mermaid.go b/backend/response_struct/mermaid.go
deleted file mode 100644
index f77fa48..0000000
--- a/backend/response_struct/mermaid.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package response_struct
-
-type Mermaid struct {
-	Type    string `json:"type"`
-	Content string `json:"content"`
-}
\ No newline at end of file
diff --git a/backend/utils/tool.go b/backend/utils/tool.go
deleted file mode 100644
index 345d4d9..0000000
--- a/backend/utils/tool.go
+++ /dev/null
@@ -1,26 +0,0 @@
-package utils
-
-import (
-	"encoding/json"
-	"fmt"
-
-	"github.com/tmc/langchaingo/outputparser"
-)
-
-// Parse parses the output of an LLM call.
-func (p outputparser.Defined[T)(T) Parse(text string) (T, error) {
-	var target T
-
-	// Removes '```json' and '```' from the start and end of the text.
-	const opening = "```json"
-	const closing = "```"
-	if text[:len(opening)] != opening || text[len(text)-len(closing):] != closing {
-		return target, nil
-		// return target, fmt.Errorf("input text should start with %s and end with %s", opening, closing)
-	}
-	parseableJSON := text[len(opening) : len(text)-len(closing)]
-	if err := json.Unmarshal([]byte(parseableJSON), &target); err != nil {
-		return target, fmt.Errorf("could not parse generated JSON: %w", err)
-	}
-	return target, nil
-}
\ No newline at end of file
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index e709a9f..fc4a9ea 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -10,7 +10,6 @@
       "dependencies": {
         "@heroui/react": "^3.0.1",
         "@heroui/styles": "^3.0.1",
-        "mermaid": "^11.13.0",
         "react": "^19.2.4",
         "react-dom": "^19.2.4"
       },
@@ -46,19 +45,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/@antfu/install-pkg": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmmirror.com/@antfu/install-pkg/-/install-pkg-1.1.0.tgz",
-      "integrity": "sha512-MGQsmw10ZyI+EJo45CdSER4zEb+p31LpDAFp2Z3gkSd1yqVZGi0Ebx++YTEMonJy4oChEMLsxZ64j8FH6sSqtQ==",
-      "license": "MIT",
-      "dependencies": {
-        "package-manager-detector": "^1.3.0",
-        "tinyexec": "^1.0.1"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/antfu"
-      }
-    },
     "node_modules/@babel/code-frame": {
       "version": "7.29.0",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.29.0.tgz",
@@ -299,51 +285,6 @@
         "node": ">=6.9.0"
       }
     },
-    "node_modules/@braintree/sanitize-url": {
-      "version": "7.1.2",
-      "resolved": "https://registry.npmmirror.com/@braintree/sanitize-url/-/sanitize-url-7.1.2.tgz",
-      "integrity": "sha512-jigsZK+sMF/cuiB7sERuo9V7N9jx+dhmHHnQyDSVdpZwVutaBu7WvNYqMDLSgFgfB30n452TP3vjDAvFC973mA==",
-      "license": "MIT"
-    },
-    "node_modules/@chevrotain/cst-dts-gen": {
-      "version": "11.1.2",
-      "resolved": "https://registry.npmmirror.com/@chevrotain/cst-dts-gen/-/cst-dts-gen-11.1.2.tgz",
-      "integrity": "sha512-XTsjvDVB5nDZBQB8o0o/0ozNelQtn2KrUVteIHSlPd2VAV2utEb6JzyCJaJ8tGxACR4RiBNWy5uYUHX2eji88Q==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@chevrotain/gast": "11.1.2",
-        "@chevrotain/types": "11.1.2",
-        "lodash-es": "4.17.23"
-      }
-    },
-    "node_modules/@chevrotain/gast": {
-      "version": "11.1.2",
-      "resolved": "https://registry.npmmirror.com/@chevrotain/gast/-/gast-11.1.2.tgz",
-      "integrity": "sha512-Z9zfXR5jNZb1Hlsd/p+4XWeUFugrHirq36bKzPWDSIacV+GPSVXdk+ahVWZTwjhNwofAWg/sZg58fyucKSQx5g==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@chevrotain/types": "11.1.2",
-        "lodash-es": "4.17.23"
-      }
-    },
-    "node_modules/@chevrotain/regexp-to-ast": {
-      "version": "11.1.2",
-      "resolved": "https://registry.npmmirror.com/@chevrotain/regexp-to-ast/-/regexp-to-ast-11.1.2.tgz",
-      "integrity": "sha512-nMU3Uj8naWer7xpZTYJdxbAs6RIv/dxYzkYU8GSwgUtcAAlzjcPfX1w+RKRcYG8POlzMeayOQ/znfwxEGo5ulw==",
-      "license": "Apache-2.0"
-    },
-    "node_modules/@chevrotain/types": {
-      "version": "11.1.2",
-      "resolved": "https://registry.npmmirror.com/@chevrotain/types/-/types-11.1.2.tgz",
-      "integrity": "sha512-U+HFai5+zmJCkK86QsaJtoITlboZHBqrVketcO2ROv865xfCMSFpELQoz1GkX5GzME8pTa+3kbKrZHQtI0gdbw==",
-      "license": "Apache-2.0"
-    },
-    "node_modules/@chevrotain/utils": {
-      "version": "11.1.2",
-      "resolved": "https://registry.npmmirror.com/@chevrotain/utils/-/utils-11.1.2.tgz",
-      "integrity": "sha512-4mudFAQ6H+MqBTfqLmU7G1ZwRzCLfJEooL/fsF6rCX5eePMbGhoy5n4g+G4vlh2muDcsCTJtL+uKbOzWxs5LHA==",
-      "license": "Apache-2.0"
-    },
     "node_modules/@emnapi/core": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/@emnapi/core/-/core-1.9.1.tgz",
@@ -676,23 +617,6 @@
         "url": "https://github.com/sponsors/nzakas"
       }
     },
-    "node_modules/@iconify/types": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmmirror.com/@iconify/types/-/types-2.0.0.tgz",
-      "integrity": "sha512-+wluvCrRhXrhyOmRDJ3q8mux9JkKy5SJ/v8ol2tu4FVjyYvtEzkc/3pK15ET6RKg4b4w4BmTk1+gsCUhf21Ykg==",
-      "license": "MIT"
-    },
-    "node_modules/@iconify/utils": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmmirror.com/@iconify/utils/-/utils-3.1.0.tgz",
-      "integrity": "sha512-Zlzem1ZXhI1iHeeERabLNzBHdOa4VhQbqAcOQaMKuTuyZCpwKbC2R4Dd0Zo3g9EAc+Y4fiarO8HIHRAth7+skw==",
-      "license": "MIT",
-      "dependencies": {
-        "@antfu/install-pkg": "^1.1.0",
-        "@iconify/types": "^2.0.0",
-        "mlly": "^1.8.0"
-      }
-    },
     "node_modules/@internationalized/date": {
       "version": "3.12.0",
       "resolved": "https://registry.npmmirror.com/@internationalized/date/-/date-3.12.0.tgz",
@@ -780,15 +704,6 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
-    "node_modules/@mermaid-js/parser": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmmirror.com/@mermaid-js/parser/-/parser-1.0.1.tgz",
-      "integrity": "sha512-opmV19kN1JsK0T6HhhokHpcVkqKpF+x2pPDKKM2ThHtZAB5F4PROopk0amuVYK5qMrIA4erzpNm8gmPNJgMDxQ==",
-      "license": "MIT",
-      "dependencies": {
-        "langium": "^4.0.0"
-      }
-    },
     "node_modules/@napi-rs/wasm-runtime": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-1.1.1.tgz",
@@ -3313,259 +3228,6 @@
         "tslib": "^2.4.0"
       }
     },
-    "node_modules/@types/d3": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmmirror.com/@types/d3/-/d3-7.4.3.tgz",
-      "integrity": "sha512-lZXZ9ckh5R8uiFVt8ogUNf+pIrK4EsWrx2Np75WvF/eTpJ0FMHNhjXk8CKEx/+gpHbNQyJWehbFaTvqmHWB3ww==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/d3-array": "*",
-        "@types/d3-axis": "*",
-        "@types/d3-brush": "*",
-        "@types/d3-chord": "*",
-        "@types/d3-color": "*",
-        "@types/d3-contour": "*",
-        "@types/d3-delaunay": "*",
-        "@types/d3-dispatch": "*",
-        "@types/d3-drag": "*",
-        "@types/d3-dsv": "*",
-        "@types/d3-ease": "*",
-        "@types/d3-fetch": "*",
-        "@types/d3-force": "*",
-        "@types/d3-format": "*",
-        "@types/d3-geo": "*",
-        "@types/d3-hierarchy": "*",
-        "@types/d3-interpolate": "*",
-        "@types/d3-path": "*",
-        "@types/d3-polygon": "*",
-        "@types/d3-quadtree": "*",
-        "@types/d3-random": "*",
-        "@types/d3-scale": "*",
-        "@types/d3-scale-chromatic": "*",
-        "@types/d3-selection": "*",
-        "@types/d3-shape": "*",
-        "@types/d3-time": "*",
-        "@types/d3-time-format": "*",
-        "@types/d3-timer": "*",
-        "@types/d3-transition": "*",
-        "@types/d3-zoom": "*"
-      }
-    },
-    "node_modules/@types/d3-array": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmmirror.com/@types/d3-array/-/d3-array-3.2.2.tgz",
-      "integrity": "sha512-hOLWVbm7uRza0BYXpIIW5pxfrKe0W+D5lrFiAEYR+pb6w3N2SwSMaJbXdUfSEv+dT4MfHBLtn5js0LAWaO6otw==",
-      "license": "MIT"
-    },
-    "node_modules/@types/d3-axis": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmmirror.com/@types/d3-axis/-/d3-axis-3.0.6.tgz",
-      "integrity": "sha512-pYeijfZuBd87T0hGn0FO1vQ/cgLk6E1ALJjfkC0oJ8cbwkZl3TpgS8bVBLZN+2jjGgg38epgxb2zmoGtSfvgMw==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/d3-selection": "*"
-      }
-    },
-    "node_modules/@types/d3-brush": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmmirror.com/@types/d3-brush/-/d3-brush-3.0.6.tgz",
-      "integrity": "sha512-nH60IZNNxEcrh6L1ZSMNA28rj27ut/2ZmI3r96Zd+1jrZD++zD3LsMIjWlvg4AYrHn/Pqz4CF3veCxGjtbqt7A==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/d3-selection": "*"
-      }
-    },
-    "node_modules/@types/d3-chord": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmmirror.com/@types/d3-chord/-/d3-chord-3.0.6.tgz",
-      "integrity": "sha512-LFYWWd8nwfwEmTZG9PfQxd17HbNPksHBiJHaKuY1XeqscXacsS2tyoo6OdRsjf+NQYeB6XrNL3a25E3gH69lcg==",
-      "license": "MIT"
-    },
-    "node_modules/@types/d3-color": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmmirror.com/@types/d3-color/-/d3-color-3.1.3.tgz",
-      "integrity": "sha512-iO90scth9WAbmgv7ogoq57O9YpKmFBbmoEoCHDB2xMBY0+/KVrqAaCDyCE16dUspeOvIxFFRI+0sEtqDqy2b4A==",
-      "license": "MIT"
-    },
-    "node_modules/@types/d3-contour": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmmirror.com/@types/d3-contour/-/d3-contour-3.0.6.tgz",
-      "integrity": "sha512-BjzLgXGnCWjUSYGfH1cpdo41/hgdWETu4YxpezoztawmqsvCeep+8QGfiY6YbDvfgHz/DkjeIkkZVJavB4a3rg==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/d3-array": "*",
-        "@types/geojson": "*"
-      }
-    },
-    "node_modules/@types/d3-delaunay": {
-      "version": "6.0.4",
-      "resolved": "https://registry.npmmirror.com/@types/d3-delaunay/-/d3-delaunay-6.0.4.tgz",
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-      "license": "MIT"
-    },
-    "node_modules/@types/d3-dispatch": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmmirror.com/@types/d3-dispatch/-/d3-dispatch-3.0.7.tgz",
-      "integrity": "sha512-5o9OIAdKkhN1QItV2oqaE5KMIiXAvDWBDPrD85e58Qlz1c1kI/J0NcqbEG88CoTwJrYe7ntUCVfeUl2UJKbWgA==",
-      "license": "MIT"
-    },
-    "node_modules/@types/d3-drag": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmmirror.com/@types/d3-drag/-/d3-drag-3.0.7.tgz",
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-      "license": "MIT",
-      "dependencies": {
-        "@types/d3-selection": "*"
-      }
-    },
-    "node_modules/@types/d3-dsv": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmmirror.com/@types/d3-dsv/-/d3-dsv-3.0.7.tgz",
-      "integrity": "sha512-n6QBF9/+XASqcKK6waudgL0pf/S5XHPPI8APyMLLUHd8NqouBGLsU8MgtO7NINGtPBtk9Kko/W4ea0oAspwh9g==",
-      "license": "MIT"
-    },
-    "node_modules/@types/d3-ease": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmmirror.com/@types/d3-ease/-/d3-ease-3.0.2.tgz",
-      "integrity": "sha512-NcV1JjO5oDzoK26oMzbILE6HW7uVXOHLQvHshBUW4UMdZGfiY6v5BeQwh9a9tCzv+CeefZQHJt5SRgK154RtiA==",
-      "license": "MIT"
-    },
-    "node_modules/@types/d3-fetch": {
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-    "node_modules/vscode-uri": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmmirror.com/vscode-uri/-/vscode-uri-3.1.0.tgz",
-      "integrity": "sha512-/BpdSx+yCQGnCvecbyXdxHDkuk55/G3xwnC0GqY4gmQ3j+A+g8kzzgB4Nk/SINjqn6+waqw3EgbVF2QKExkRxQ==",
-      "license": "MIT"
-    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 54fa143..a95ec5c 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -12,7 +12,6 @@
   "dependencies": {
     "@heroui/react": "^3.0.1",
     "@heroui/styles": "^3.0.1",
-    "mermaid": "^11.13.0",
     "react": "^19.2.4",
     "react-dom": "^19.2.4"
   },
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index cf13089..9c5746d 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -2,7 +2,6 @@ import { useState } from "react";
 import { ProgressBar, Label, Tabs } from "@heroui/react";
 import Card from "./components/Card";
 import Guodegang from "./components/Guodegang";
-import Mermaid from "./components/Mermaid";
 import Topic from "./components/Topic";
 
 /* eslint-disable @typescript-eslint/no-explicit-any */
@@ -14,21 +13,15 @@ function App() {
   const [guodegangData, setGuodegangData]: any = useState(null);
   const [guodegangLoading, setGuodegangLoading] = useState(false);
   const [guodegangError, setGuodegangError] = useState<string | null>(null);
-  const [mermaidData, setMermaidData]: any = useState(null);
-  const [mermaidLoading, setMermaidLoading] = useState(false);
-  const [mermaidError, setMermaidError] = useState<string | null>(null);
 
   const fetchData = async (topicToFetch: string) => {
     setCardLoading(true);
     setGuodegangLoading(true);
-    setMermaidLoading(true);
     setCardError(null);
     setGuodegangError(null);
-    setMermaidError(null);
 
     const cardUrl = `http://localhost:8080/card/${encodeURIComponent(topicToFetch)}`;
     const guodegangUrl = `http://localhost:8080/guodegang/${encodeURIComponent(topicToFetch)}`;
-    const mermaidUrl = `http://localhost:8080/mermaid/${encodeURIComponent(topicToFetch)}`;
 
     const abortController = new AbortController();
     const timeoutId = setTimeout(() => abortController.abort(), 300000);
@@ -61,21 +54,7 @@ function App() {
       }
     };
 
-    const fetchMermaid = async () => {
-      try {
-        const response = await fetch(mermaidUrl, { signal: abortController.signal });
-        if (!response.ok) throw new Error(`Mermaid API failed: ${response.status}`);
-        const result = await response.json();
-        setMermaidData(result.message);
-      } catch (error) {
-        console.error("Error fetching mermaid data:", error);
-        setMermaidError("Failed to load mermaid data");
-      } finally {
-        setMermaidLoading(false);
-      }
-    };
-
-    Promise.allSettled([fetchCard(), fetchGuodegang(), fetchMermaid()]).finally(() => {
+    Promise.allSettled([fetchCard(), fetchGuodegang()]).finally(() => {
       clearTimeout(timeoutId);
     });
   };
@@ -89,15 +68,11 @@ function App() {
 
   const cardLoaded = !cardLoading && !!cardData;
   const guodegangLoaded = !guodegangLoading && !!guodegangData;
-  const mermaidLoaded = !mermaidLoading && !!mermaidData;
 
   const progress = (() => {
     if (!topic) return 0;
-    if (cardLoaded && guodegangLoaded && mermaidLoaded) return 100;
-    if (cardLoaded && guodegangLoaded) return 67;
-    if (cardLoaded && mermaidLoaded) return 67;
-    if (guodegangLoaded && mermaidLoaded) return 67;
-    if (cardLoaded || guodegangLoaded || mermaidLoaded) return 33;
+    if (cardLoaded && guodegangLoaded) return 100;
+    if (cardLoaded || guodegangLoaded) return 50;
     return 10;
   })();
 
@@ -115,7 +90,7 @@ function App() {
                 </ProgressBar>
             </div>
         )}
-        <div className="w-full max-w-6xl">
+        <div className="w-full max-w-8xl">
             <Tabs className="w-full">
                 <Tabs.ListContainer>
                     <Tabs.List aria-label="View options">
@@ -129,11 +104,6 @@ function App() {
                             <Tabs.Indicator />
                             🎭 德云社讲解
                         </Tabs.Tab>
-                        <Tabs.Tab id="mermaid">
-                            <Tabs.Separator />
-                            <Tabs.Indicator />
-                            📊 Mermaid 图表
-                        </Tabs.Tab>
                     </Tabs.List>
                 </Tabs.ListContainer>
                 <Tabs.Panel id="card">
@@ -142,9 +112,6 @@ function App() {
                 <Tabs.Panel id="guodegang">
                     <Guodegang topic={topic} data={guodegangData} loading={guodegangLoading} error={guodegangError} />
                 </Tabs.Panel>
-                <Tabs.Panel id="mermaid">
-                    <Mermaid topic={topic} data={mermaidData} loading={mermaidLoading} error={mermaidError} />
-                </Tabs.Panel>
             </Tabs>
         </div>
     </div>
diff --git a/frontend/src/components/Mermaid.tsx b/frontend/src/components/Mermaid.tsx
deleted file mode 100644
index 54e788d..0000000
--- a/frontend/src/components/Mermaid.tsx
+++ /dev/null
@@ -1,94 +0,0 @@
-import { Surface } from "@heroui/react";
-import { useEffect, useRef } from "react";
-import mermaid from "mermaid";
-
-interface MermaidData {
-  type: string;
-  content: string;
-}
-
-interface Props {
-  topic: string;
-  data: MermaidData | null;
-  loading: boolean;
-  error: string | null;
-}
-
-export default function Default({ topic, data, loading, error }: Props) {
-  const mermaidRef = useRef<HTMLDivElement>(null);
-
-  useEffect(() => {
-    mermaid.initialize({ startOnLoad: true });
-  }, []);
-
-  useEffect(() => {
-    if (data && mermaidRef.current) {
-      const id = `mermaid-diagram-${Date.now()}`;
-      mermaid.render(id, data.content).then((result) => {
-        if (mermaidRef.current) {
-          mermaidRef.current.innerHTML = result.svg;
-        }
-      });
-    }
-  }, [data]);
-
-  if (loading) {
-    return (
-      <div className="w-full p-4 sm:p-6 md:max-w-2xl lg:max-w-4xl mx-auto">
-        <Surface variant="secondary" className="relative w-full max-w-2xl mx-auto bg-white shadow-xl rounded-2xl overflow-hidden border border-gray-100 p-8">
-          <div className="text-center text-gray-600">Loading...</div>
-        </Surface>
-      </div>
-    );
-  }
-
-  if (error) {
-    return (
-      <div className="w-full p-4 sm:p-6 md:max-w-2xl lg:max-w-4xl mx-auto">
-        <Surface variant="secondary" className="relative w-full max-w-2xl mx-auto bg-white shadow-xl rounded-2xl overflow-hidden border border-gray-100 p-8">
-          <div className="text-center text-red-600">{error}</div>
-        </Surface>
-      </div>
-    );
-  }
-
-  if (!topic || !data) {
-    return (
-      <div className="w-full p-4 sm:p-6 md:max-w-2xl lg:max-w-4xl mx-auto">
-        <Surface variant="secondary" className="relative w-full max-w-2xl mx-auto bg-white shadow-xl rounded-2xl overflow-hidden border border-gray-100 p-8">
-          <div className="absolute upper-0 right-0 -mr-2 -mb-2 pointer-events-none select-none">
-            <span className="text-[10rem] opacity-80 blur-none">📊</span>
-          </div>
-          <div className="text-center text-gray-600">
-            <div className="text-3xl mb-4">🔷</div>
-            <div className="text-lg font-medium mb-2">Mermaid 图表组件</div>
-            <div className="text-sm text-gray-500">输入主题后，这里将展示相关的 Mermaid 流程图、时序图等可视化内容</div>
-          </div>
-        </Surface>
-      </div>
-    );
-  }
-
-  return (
-    <div className="w-full p-4 sm:p-6 md:max-w-2xl lg:max-w-4xl mx-auto">
-      <Surface variant="secondary" className="relative w-full max-w-2xl mx-auto bg-white shadow-xl rounded-2xl overflow-hidden border border-gray-100 p-6">
-        <div className="absolute upper-0 right-0 -mr-2 -mb-2 pointer-events-none select-none">
-          <span className="text-[10rem] opacity-80 blur-none">📊</span>
-        </div>
-
-        <div className="relative z-5">
-          <div className="px-4 pt-4 pb-4">
-            <h2 className="text-2xl font-bold text-gray-800 mb-2">
-              {data!.type.charAt(0).toUpperCase() + data!.type.slice(1)} Diagram
-            </h2>
-            <div className="h-1 w-20 bg-gradient-to-r from-blue-500 to-purple-500 rounded"></div>
-          </div>
-
-          <div className="px-4 pb-4 flex justify-center items-center overflow-x-auto">
-            <div ref={mermaidRef} className="mermaid-container"></div>
-          </div>
-        </div>
-      </Surface>
-    </div>
-  );
-}