diff --git a/index/angular.json b/index/angular.json
index 2a9689e..586539f 100644
--- a/index/angular.json
+++ b/index/angular.json
@@ -41,9 +41,7 @@
               "./node_modules/jquery/dist/jquery.min.js",
               "src/assets/editor/lib/marked.min.js",
               "src/assets/editor/lib/prettify.min.js",
-              "src/assets/editor/lib/raphael.min.js",
               "src/assets/editor/lib/underscore.min.js",
-              "src/assets/editor/lib/sequence-diagram.min.js",
               "src/assets/editor/lib/flowchart.min.js",
               "src/assets/editor/lib/jquery.flowchart.min.js",
               "src/assets/editor/editormd.min.js"
@@ -148,4 +146,4 @@
   "cli": {
     "analytics": false
   }
-}
\ No newline at end of file
+}
diff --git a/index/src/app/class/EditorConfig.ts b/index/src/app/class/EditorConfig.ts
index 8e400c1..1456b53 100644
--- a/index/src/app/class/EditorConfig.ts
+++ b/index/src/app/class/EditorConfig.ts
@@ -19,9 +19,9 @@ export class EditorConfig {
     public markdown = '';
     public flowChart = true;
     public syncScrolling = true;
-    public sequenceDiagram = true;
+    public sequenceDiagram = false; // 时序图/序列图
     public imageUpload = true;
     public imageFormats = ['jpg', 'jpeg', 'gif', 'png', 'bmp', 'webp'];
     public imageUploadURL = environment.host + '/imgUpload';
 
-}
\ No newline at end of file
+}