diff --git a/packages/you_note_dart/lib/src/content/source_code.dart b/packages/you_note_dart/lib/src/content/source_code.dart
index 97b0f709..044b08cb 100644
--- a/packages/you_note_dart/lib/src/content/source_code.dart
+++ b/packages/you_note_dart/lib/src/content/source_code.dart
@@ -120,7 +120,7 @@ class _CodeVisitor extends GeneralizingAstVisitor {
 
    @override
   visitFunctionExpressionInvocation(FunctionExpressionInvocation node) {
-    print("node: ${node}");
+    print("node: $node");
     return super.visitFunctionExpressionInvocation(node);
   }
   @override
diff --git a/packages/you_note_dart/pubspec.yaml b/packages/you_note_dart/pubspec.yaml
index b57d1133..83a74780 100644
--- a/packages/you_note_dart/pubspec.yaml
+++ b/packages/you_note_dart/pubspec.yaml
@@ -14,24 +14,27 @@ dependencies:
   collection: ^1.18.0
   path: ^1.8.3
   file: ^7.0.0
+  http: ^1.2.1
+  glob: ^2.1.1
 
+  # content
   markdown: ^7.0.0
   highlight: ^0.7.0
+
+  # code analyzer
+  analyzer: ^6.4.1
   code_builder: ^4.4.0
   dart_style: ^2.0.0
-  args: ^2.4.2
-  analyzer: ^6.4.1
-  glob: ^2.1.1
-  watcher: ^1.1.0
+  stack_trace: ^1.11.1
+  source_map_stack_trace: ^2.1.1
+  source_maps: ^0.10.12
 
   # plugin
   shared_preferences: ^2.2.2
-  flutter_markdown: ^0.6.14
+  flutter_markdown: ^0.7.1
   flutter_highlight: ^0.7.0
-  http: ^1.2.1
-  stack_trace: ^1.11.1
-  source_map_stack_trace: ^2.1.1
-  source_maps: ^0.10.12
+
+  # you_*
   you_dart: ^0.0.4
   you_flutter: ^0.0.4