diff --git a/es2panda/parser/parserImpl.cpp b/es2panda/parser/parserImpl.cpp
index 723076cab39745eeec2bb27a5122e6c8040458ef..deb1e99bd52003bb0c47a6cd1c81aabdf9fde312 100644
--- a/es2panda/parser/parserImpl.cpp
+++ b/es2panda/parser/parserImpl.cpp
@@ -2538,7 +2538,8 @@ ArenaVector<ir::Decorator *> ParserImpl::ParseDecorators()
         (context_.Status() & ParserStatus::IN_CLASS_BODY) == 0 &&
         lexer_->GetToken().Type() != lexer::TokenType::KEYW_EXPORT &&
         !(lexer_->GetToken().Type() == lexer::TokenType::LITERAL_IDENT &&
-          lexer_->GetToken().KeywordType() == lexer::TokenType::KEYW_DECLARE)) {
+          (lexer_->GetToken().KeywordType() == lexer::TokenType::KEYW_DECLARE ||
+           lexer_->GetToken().KeywordType() == lexer::TokenType::KEYW_ABSTRACT))) {
         ThrowSyntaxError("Decorators are not valid here.", decorators.front()->Start());
     }
 
diff --git a/es2panda/parser/statementParser.cpp b/es2panda/parser/statementParser.cpp
index e8f67909e36dec0a196f52e9ea5f1b01461ae326..2575e9e569d9e49bbf56916e412e8d2a8df7eb94 100644
--- a/es2panda/parser/statementParser.cpp
+++ b/es2panda/parser/statementParser.cpp
@@ -2505,7 +2505,9 @@ ir::ExportNamedDeclaration *ParserImpl::ParseNamedExportDeclaration(const lexer:
     }
 
     if (!decorators.empty() && lexer_->GetToken().Type() != lexer::TokenType::KEYW_CLASS &&
-        (context_.Status() & ParserStatus::IN_CLASS_BODY) == 0) {
+        (context_.Status() & ParserStatus::IN_CLASS_BODY) == 0 &&
+        !(lexer_->GetToken().Type() == lexer::TokenType::LITERAL_IDENT &&
+          (lexer_->GetToken().KeywordType() == lexer::TokenType::KEYW_ABSTRACT))) {
         ThrowSyntaxError("Decorators are not valid here.", decorators.front()->Start());
     }
 
diff --git a/es2panda/parser/transformer/transformer.cpp b/es2panda/parser/transformer/transformer.cpp
index d1c8b5f08b21c29e7d29c5abd46d91d1ca908e48..457c1a2c2c8b674549248fa26cc6603b83efd0b7 100644
--- a/es2panda/parser/transformer/transformer.cpp
+++ b/es2panda/parser/transformer/transformer.cpp
@@ -281,6 +281,9 @@ ir::UpdateNodes Transformer::VisitTSNode(ir::AstNode *childNode)
         }
         case ir::AstNodeType::CLASS_DECLARATION: {
             auto *node = childNode->AsClassDeclaration();
+            if (node->Definition()->Declare()) {
+                return node;
+            }
             DuringClass duringClass(&classList_, node->Definition()->GetName());
             node = VisitTSNodes(node)->AsClassDeclaration();
             auto res = VisitClassDeclaration(node);
diff --git a/es2panda/test/compiler/ts/cases/conformance/decorators/test-ts-decorators-14-expected.txt b/es2panda/test/compiler/ts/cases/conformance/decorators/test-ts-decorators-14-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..516badf46f7780c75e790b67b1a47d2b8102f2b4
--- /dev/null
+++ b/es2panda/test/compiler/ts/cases/conformance/decorators/test-ts-decorators-14-expected.txt
@@ -0,0 +1,2 @@
+test decorators
+test decorators
diff --git a/es2panda/test/compiler/ts/cases/conformance/decorators/test-ts-decorators-14.ts b/es2panda/test/compiler/ts/cases/conformance/decorators/test-ts-decorators-14.ts
new file mode 100644
index 0000000000000000000000000000000000000000..b572e23ed46dba8893d36d8cd9ef3b4fd1669864
--- /dev/null
+++ b/es2panda/test/compiler/ts/cases/conformance/decorators/test-ts-decorators-14.ts
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+function f(constructor: Function) { print("test decorators"); }
+
+@f
+class C1 { }
+
+@f
+abstract class C2 { }
diff --git a/es2panda/test/compiler/ts/projects/ts_test_decorators/ts-test-decorators-export-exec-expected.txt b/es2panda/test/compiler/ts/projects/ts_test_decorators/ts-test-decorators-export-exec-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..58c7af63cb40d4f84a637a4f0317a4132a5479ee
--- /dev/null
+++ b/es2panda/test/compiler/ts/projects/ts_test_decorators/ts-test-decorators-export-exec-expected.txt
@@ -0,0 +1 @@
+test decorators
diff --git a/es2panda/test/compiler/ts/projects/ts_test_decorators/ts-test-decorators-export-exec.ts b/es2panda/test/compiler/ts/projects/ts_test_decorators/ts-test-decorators-export-exec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..d4789692e7956efced5a6333f9c27ebe6c722f24
--- /dev/null
+++ b/es2panda/test/compiler/ts/projects/ts_test_decorators/ts-test-decorators-export-exec.ts
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+function f(constructor: Function) { print("test decorators"); }
+
+@f
+export declare class C1 { }
+
+@f
+export abstract class C2 { }
+
+@f
+export abstract declare class C3 { }
+
+@f
+export declare abstract class C4 { }