diff --git a/libSyntax/ast_basic.h b/libSyntax/ast_basic.h
index 0346e9f..238eb76 100644
--- a/libSyntax/ast_basic.h
+++ b/libSyntax/ast_basic.h
@@ -88,10 +88,10 @@ namespace ast_basic {
     public:
         ExpressionContext();
 
+        // ͨ¹ý IContext ¼Ì³Ð
         virtual void setCurrentFile(const QString& path);
         virtual QString currentFile() const;
 
-        // ͨ¹ý IContext ¼Ì³Ð
         std::shared_ptr<ast_basic::IExprInst> currentExprInst() const override;
         void pushExprInst(std::shared_ptr<ast_basic::IExprInst> current_inst) override;
         std::shared_ptr<ast_basic::IExprInst> popExprInst() override;