diff --git a/es2panda/ir/ts/tsNonNullExpression.cpp b/es2panda/ir/ts/tsNonNullExpression.cpp
index 06f51f77c7bbbbf4fb3265b3baeb0f409314e145..e43b52db35775cd55c9cc732631304b581e4d569 100644
--- a/es2panda/ir/ts/tsNonNullExpression.cpp
+++ b/es2panda/ir/ts/tsNonNullExpression.cpp
@@ -29,7 +29,10 @@ void TSNonNullExpression::Dump(ir::AstDumper *dumper) const
     dumper->Add({{"type", "TSNonNullExpression"}, {"expression", expr_}});
 }
 
-void TSNonNullExpression::Compile([[maybe_unused]] compiler::PandaGen *pg) const {}
+void TSNonNullExpression::Compile(compiler::PandaGen *pg) const
+{
+    expr_->Compile(pg);
+}
 
 checker::Type *TSNonNullExpression::Check([[maybe_unused]] checker::Checker *checker) const
 {
diff --git a/es2panda/ir/ts/tsNonNullExpression.h b/es2panda/ir/ts/tsNonNullExpression.h
index 9f278f49f704e3919032a316d81d307bb423fb28..5d0e858c8379986c2d5f7ec72e2361edaead29ae 100644
--- a/es2panda/ir/ts/tsNonNullExpression.h
+++ b/es2panda/ir/ts/tsNonNullExpression.h
@@ -40,7 +40,7 @@ public:
 
     void Iterate(const NodeTraverser &cb) const override;
     void Dump(ir::AstDumper *dumper) const override;
-    void Compile([[maybe_unused]] compiler::PandaGen *pg) const override;
+    void Compile(compiler::PandaGen *pg) const override;
     checker::Type *Check([[maybe_unused]] checker::Checker *checker) const override;
     void UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder) override;
 
diff --git a/es2panda/test/compiler/ts/cases/conformance/expressions/ts-test-non-null-expression-1-expected.txt b/es2panda/test/compiler/ts/cases/conformance/expressions/ts-test-non-null-expression-1-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..86f1793affed0f61b81e0e26c87edf5c9c84b940
--- /dev/null
+++ b/es2panda/test/compiler/ts/cases/conformance/expressions/ts-test-non-null-expression-1-expected.txt
@@ -0,0 +1 @@
+ts-test-non-null-expression-1
diff --git a/es2panda/test/compiler/ts/cases/conformance/expressions/ts-test-non-null-expression-1.ts b/es2panda/test/compiler/ts/cases/conformance/expressions/ts-test-non-null-expression-1.ts
new file mode 100644
index 0000000000000000000000000000000000000000..f239bef2d82be068c0a078a6f61fbc68ea3e43b9
--- /dev/null
+++ b/es2panda/test/compiler/ts/cases/conformance/expressions/ts-test-non-null-expression-1.ts
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2022 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.
+ */
+
+
+class C {
+    a : string = "ts-test-non-null-expression-1";
+}
+var x : C = new C();
+print(x!.a)
\ No newline at end of file