diff --git a/es2panda/parser/transformer/transformer.cpp b/es2panda/parser/transformer/transformer.cpp
index a197a497e3018d67e603d8b9c2c8603da1ae9e50..759caa569d5f9e28b13194ca60cf6173c7af3e96 100644
--- a/es2panda/parser/transformer/transformer.cpp
+++ b/es2panda/parser/transformer/transformer.cpp
@@ -510,12 +510,12 @@ void Transformer::VisitTSParameterProperty(ir::ClassDefinition *node)
         }
         auto *parameter = it->AsTSParameterProperty()->Parameter();
         util::StringView name;
-        // TSParameterPropert only can be identifier or assignment expression
+        // TSParameterPropert only can be identifier or assignment pattern
         if (parameter->IsIdentifier()) {
             name = parameter->AsIdentifier()->Name();
         } else {
-            ASSERT(parameter->IsAssignmentExpression());
-            auto *left = parameter->AsAssignmentExpression()->Left();
+            ASSERT(parameter->IsAssignmentPattern());
+            auto *left = parameter->AsAssignmentPattern()->Left();
             ASSERT(left->IsIdentifier());
             name = left->AsIdentifier()->Name();
         }
diff --git a/es2panda/test/parser/ts/test-export-function-expected.txt b/es2panda/test/parser/ts/test-export-function-expected.txt
index 9af57e1b247fd9b5a9ae34bab7a52c224f3e9446..be32c13693cb0f303e7cfabd1b34bbaaffe58b6d 100644
--- a/es2panda/test/parser/ts/test-export-function-expected.txt
+++ b/es2panda/test/parser/ts/test-export-function-expected.txt
@@ -10,7 +10,6 @@
           "id": {
             "type": "Identifier",
             "name": "f",
-            "decorators": [],
             "loc": {
               "start": {
                 "line": 17,
@@ -42,7 +41,6 @@
                   }
                 }
               },
-              "decorators": [],
               "loc": {
                 "start": {
                   "line": 17,
@@ -97,7 +95,6 @@
           "id": {
             "type": "Identifier",
             "name": "f",
-            "decorators": [],
             "loc": {
               "start": {
                 "line": 18,
@@ -129,7 +126,6 @@
                   }
                 }
               },
-              "decorators": [],
               "loc": {
                 "start": {
                   "line": 18,
@@ -184,7 +180,6 @@
           "id": {
             "type": "Identifier",
             "name": "f",
-            "decorators": [],
             "loc": {
               "start": {
                 "line": 19,
@@ -216,7 +211,6 @@
                   }
                 }
               },
-              "decorators": [],
               "loc": {
                 "start": {
                   "line": 19,
diff --git a/es2panda/test/parser/ts/test-func-param9-expected.txt b/es2panda/test/parser/ts/test-func-param9-expected.txt
index 06fded2548a802f40f7b9eed815202ae11f3c05e..12787e7c954dcebbbc6da62533cb63f0815b4e6c 100644
--- a/es2panda/test/parser/ts/test-func-param9-expected.txt
+++ b/es2panda/test/parser/ts/test-func-param9-expected.txt
@@ -8,7 +8,6 @@
         "id": {
           "type": "Identifier",
           "name": "foo",
-          "decorators": [],
           "loc": {
             "start": {
               "line": 17,
@@ -30,7 +29,6 @@
               {
                 "type": "Identifier",
                 "name": "x",
-                "decorators": [],
                 "loc": {
                   "start": {
                     "line": 17,
@@ -126,7 +124,6 @@
         "id": {
           "type": "Identifier",
           "name": "foo",
-          "decorators": [],
           "loc": {
             "start": {
               "line": 18,
@@ -173,7 +170,6 @@
                   }
                 }
               },
-              "decorators": [],
               "loc": {
                 "start": {
                   "line": 18,