diff --git a/lib/core/Handles/HandlesExprCall.py b/lib/core/Handles/HandlesExprCall.py
index efa2429..508596c 100644
--- a/lib/core/Handles/HandlesExprCall.py
+++ b/lib/core/Handles/HandlesExprCall.py
@@ -3007,11 +3007,13 @@ class ExprCallHandle(BaseHandle):
         """
         # 仅对特化名（含 '[' 且以 ']' 结尾）触发
         if '[' not in ClassName or not ClassName.endswith(']'):
+            Gen._generic_spec_error = f'非特化名: {ClassName}'
             return
         # 反推模板类名（如 ndarray[double] → ndarray）
         base_name: str = ClassName.split('[')[0]
         # 检查是否是已注册的泛型模板
         if not (hasattr(self.Trans.ClassHandler, '_generic_class_templates') and base_name in self.Trans.ClassHandler._generic_class_templates):
+            Gen._generic_spec_error = f'模板未注册: {base_name}'
             return
         # 构造 spec_key（与 _specialize_generic_class 一致：ClassName<arg1,arg2,...>）
         spec_key: str = base_name + '<' + ','.join(ClassName[len(base_name) + 1:-1].split('][')) + '>'
@@ -3032,6 +3034,7 @@ class ExprCallHandle(BaseHandle):
         was_declare_only: bool = cached[1]
         # 仅当缓存是 declare_only 版本时才需要补发
         if not was_declare_only:
+            Gen._generic_spec_error = f'特化标记为完整但方法缺失: {cached_name}.{MethodName}'
             return
         # 检查方法是否已有 define（blocks 非空表示已编译方法体）
         struct_sha1_map = getattr(Gen, '_struct_sha1_map', {})
@@ -3041,10 +3044,12 @@ class ExprCallHandle(BaseHandle):
         if existing_func is not None:
             existing_blocks = getattr(existing_func, 'blocks', [])
             if existing_blocks:
+                Gen._generic_spec_error = f'方法已存在但查找名不一致: {full_method_name}'
                 return  # 方法体已编译
         # 从缓存获取 type_args/type_names
         type_info = getattr(Gen, '_generic_class_spec_type_info', {}).get(spec_key)
         if type_info is None:
+            Gen._generic_spec_error = f'缺少特化类型信息: {spec_key}'
             return
         cached_type_args, cached_type_names = type_info
         # 不预先标记：_specialize_generic_class 内部缓存逻辑会检测