diff --git a/.gitea/checker/comparator.py b/.gitea/checker/comparator.py
index bb876e0..b44c9fc 100644
--- a/.gitea/checker/comparator.py
+++ b/.gitea/checker/comparator.py
@@ -249,7 +249,9 @@ def compare_endpoints(
     matched_removed: Set[str] = set()
     matched_added: Set[str] = set()
 
-    # 1. HTTP 方法变更检测（uri + controller + method_name 相同，但 method 不同）
+    # 1. HTTP 方法变更检测（uri + controller 相同，但 method 不同）
+    # 放宽匹配条件：只要同一个 Controller 的同一个 URI 请求方式改变，就识别为「修改请求方式」
+    # 不再要求 method_name 相同（允许方法重命名场景）
     # 如果同时有参数变更，生成两条独立报告（方法变更 + 参数变更），互不干扰
     for r_key, r_ep in unmatched_removed:
         for a_key, a_ep in unmatched_added:
@@ -258,7 +260,6 @@ def compare_endpoints(
             if (
                 r_ep.uri == a_ep.uri
                 and r_ep.controller_class == a_ep.controller_class
-                and r_ep.method_name == a_ep.method_name
                 and r_ep.http_method != a_ep.http_method
             ):
                 # 先生成纯方法变更报告
diff --git a/.gitea/checker/controller_ast_parser.py b/.gitea/checker/controller_ast_parser.py
index 9c51237..ba76cc1 100644
--- a/.gitea/checker/controller_ast_parser.py
+++ b/.gitea/checker/controller_ast_parser.py
@@ -159,7 +159,10 @@ def _join_paths(base: str, sub: str) -> str:
 
 
 def _http_method(ann_name: str, ann: Annotation) -> str:
-    """从映射注解推断 HTTP 方法。"""
+    """从映射注解推断 HTTP 方法。
+
+    支持大小写不敏感匹配，避免 PUTMapping、POSTMapping 等不规范写法导致解析失败。
+    """
     mapping = {
         "GetMapping": "GET",
         "PostMapping": "POST",
@@ -167,9 +170,11 @@ def _http_method(ann_name: str, ann: Annotation) -> str:
         "DeleteMapping": "DELETE",
         "PatchMapping": "PATCH",
     }
-    if ann_name in mapping:
-        return mapping[ann_name]
-    if ann_name == "RequestMapping":
+    # 大小写不敏感匹配
+    for key, value in mapping.items():
+        if key.lower() == ann_name.lower():
+            return value
+    if ann_name.lower() == "requestmapping":
         m = _ann_string(ann, "method")
         if m:
             return m.replace("RequestMethod.", "").upper()