diff --git a/chapi-ast-typescript/src/main/antlr/TypeScriptParser.g4 b/chapi-ast-typescript/src/main/antlr/TypeScriptParser.g4
index 3b068698..ec6e5d39 100644
--- a/chapi-ast-typescript/src/main/antlr/TypeScriptParser.g4
+++ b/chapi-ast-typescript/src/main/antlr/TypeScriptParser.g4
@@ -840,7 +840,7 @@ singleExpression
     | singleExpression '?'? '!'? '.'? '[' expressionSequence ']'             # MemberIndexExpression
     // for: `onHotUpdateSuccess?.();`
     // onChange?.(userName || password || null)
-    | singleExpression  ('?' | '!')* '.' '#'? identifierName? typeArguments? ('?' | '!')?  # MemberDotExpression
+    | singleExpression  ('?' | '!')* '.' '#'? identifierName typeArguments? ('?' | '!')?  # MemberDotExpression
     // for: `onHotUpdateSuccess?.();`
     | singleExpression  ('?' | '!')* '.' '#'? '(' identifierName? ')'        ('?' | '!')?  # MemberDotExpression
     // request('/api/system-info', { method: 'GET' });
diff --git a/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptAnalyserTest.kt b/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptAnalyserTest.kt
index 9b019840..2564503d 100644
--- a/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptAnalyserTest.kt
+++ b/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptAnalyserTest.kt
@@ -61,7 +61,6 @@ class TypeScriptAnalyserTest {
     }
 
     @Test
-    @Disabled
      fun chai_define() {
         val content = this::class.java.getResource("/dts/index.d.ts")!!.readText()
         val codeFile = TypeScriptAnalyser().analysis(content, "/dts/index.d.ts")
diff --git a/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptRegressionTest.kt b/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptRegressionTest.kt
index 6f233329..c2118064 100644
--- a/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptRegressionTest.kt
+++ b/chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptRegressionTest.kt
@@ -190,7 +190,7 @@ export class PopupDirective {
         return '已完成';
       }
       default: {
-        return '';
+        return '';a
       }
     }
   }