diff --git a/.gitee/PULL_REQUEST_TEMPLATE.en.md b/.gitee/PULL_REQUEST_TEMPLATE.en.md
index e8d76c6d8cb96f0ee66ae881797496b1eca37111..789b54d357cc078f97c8c495d7b0b25a6e1f1239 100644
--- a/.gitee/PULL_REQUEST_TEMPLATE.en.md
+++ b/.gitee/PULL_REQUEST_TEMPLATE.en.md
@@ -76,6 +76,12 @@ ninja all tests
 - [ ] Affected — Changes impact API/bytecode version but do not need to be synced to other branches
 - [ ] Not affected — Changes do not involve API/bytecode version
 
+4. Compatibility Testing for Lexical Environment Changes
+**Note: If the PR involves modifications to the lexical environment, verify whether it is compatible with hot reload scenarios.**
+- [ ] Involved, affects hot reload scenarios, requires impact assessment
+- [ ] Involved, does not affect hot reload scenarios
+- [ ] Not involved
+
 #### Performance Testing (e.g., new syntax checking scenarios)
 - [ ] Passed
 - [ ] Not applicable, no need to verify
diff --git a/.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md b/.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md
index 919b88223d0cfc87e90cb7d550f0ee0bfd62dc51..bf9e587e33be4834ae35621ae789035c9835027d 100644
--- a/.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md
+++ b/.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md
@@ -79,6 +79,12 @@
     - [ ] 涉及，变更影响 API/字节码 版本， 无需同步到其他分支
     - [ ] 不涉及，变更不涉及 API/字节码 版本
 
+4. 是否涉及词法环境修改
+**说明：如PR涉及词法环境修改，需验证对应热重载场景是否兼容**
+    - [ ] 涉及，影响热重载场景，需排查影响
+    - [ ] 涉及，不影响热重载场景
+    - [ ] 不涉及
+
 #### 性能测试 (新增语法检查等场景)
 - [ ] 已通过
 - [ ] 不涉及，无需验证
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/base.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..360f092c1384f46f14c1fab7c4852dcb334ca986
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/base.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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 A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print("change this");
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/base_mod.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..c1cc2d8dc7c6d7ecfc1d8bddf058d1c98133b6e5
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/base_mod.js
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    test() {
+        let a = () => {
+          new.target;
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/expected.txt b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92cdd1ec910f786645a903af17828324e2f76ac3
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-target/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/base.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..360f092c1384f46f14c1fab7c4852dcb334ca986
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/base.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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 A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print("change this");
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/base_mod.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..adbb8c05c614cef61e3d84e0f036aea315878582
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/base_mod.js
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print(this.x);
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/expected.txt b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92cdd1ec910f786645a903af17828324e2f76ac3
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-add-this/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..b4dfb2b02445a61dbb6be9295df0129f0236805a
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base.js
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2025 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 A {
+    test() {
+        let a = () => {
+          new.target;
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base_mod.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..ac461df85681df15c4f9a36a9a57e6e82dd1beac
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base_mod.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    test() {
+        let a = () => {
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/expected.txt b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92cdd1ec910f786645a903af17828324e2f76ac3
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-target/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..4a805150f031907ea40ecad462d7694ff40f4262
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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 A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print(this.x);
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base_mod.js b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..e35d6a5ee24292e2c359c6f3d36b119a10deed8a
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base_mod.js
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print("change this");
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/expected.txt b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92cdd1ec910f786645a903af17828324e2f76ac3
--- /dev/null
+++ b/es2panda/test/patch/11/hotreload/hotreload-throwerror/modify-lexenv-remove-this/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/base.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..360f092c1384f46f14c1fab7c4852dcb334ca986
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/base.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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 A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print("change this");
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/base_mod.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..c1cc2d8dc7c6d7ecfc1d8bddf058d1c98133b6e5
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/base_mod.js
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    test() {
+        let a = () => {
+          new.target;
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/expected.txt b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b28a88ba35548bac086b1bee8f29ca3a3dee08a
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-target/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .#~A>#test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/base.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..360f092c1384f46f14c1fab7c4852dcb334ca986
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/base.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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 A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print("change this");
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/base_mod.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..adbb8c05c614cef61e3d84e0f036aea315878582
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/base_mod.js
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print(this.x);
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/expected.txt b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b28a88ba35548bac086b1bee8f29ca3a3dee08a
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-add-this/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .#~A>#test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..b4dfb2b02445a61dbb6be9295df0129f0236805a
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base.js
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2025 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 A {
+    test() {
+        let a = () => {
+          new.target;
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base_mod.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..ac461df85681df15c4f9a36a9a57e6e82dd1beac
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/base_mod.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    test() {
+        let a = () => {
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/expected.txt b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b28a88ba35548bac086b1bee8f29ca3a3dee08a
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-target/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .#~A>#test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base.js
new file mode 100644
index 0000000000000000000000000000000000000000..4a805150f031907ea40ecad462d7694ff40f4262
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 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 A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print(this.x);
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base_mod.js b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base_mod.js
new file mode 100644
index 0000000000000000000000000000000000000000..e35d6a5ee24292e2c359c6f3d36b119a10deed8a
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/base_mod.js
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 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.
+ */
+
+// Test scenario: modify lexenv, es2abc can specify and throw error
+
+class A {
+    x = "test string";
+    test() {
+        let a = () => {
+          print("change this");
+        }
+        return a;
+    }
+}
+let a = new A();
+a.test()();
\ No newline at end of file
diff --git a/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/expected.txt b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b28a88ba35548bac086b1bee8f29ca3a3dee08a
--- /dev/null
+++ b/es2panda/test/patch/currentVersion/hotreload/hotreload-throwerror/modify-lexenv-remove-this/expected.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 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.
+
+[Patch] Found lexical variable added or removed in .#~A>#test, not supported!
+[Patch] Found unsupported change in file, will not generate patch!
+Error:  [base_mod.js:0:0]
+The size of programs is expected to be 1, but is 0