diff --git a/lib/core/Handles/HandlesExprCall.py b/lib/core/Handles/HandlesExprCall.py
index 508596c..540ccfb 100644
--- a/lib/core/Handles/HandlesExprCall.py
+++ b/lib/core/Handles/HandlesExprCall.py
@@ -3046,11 +3046,12 @@ class ExprCallHandle(BaseHandle):
             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
+        # 从缓存获取 type_args/type_names；缓存缺失时直接从特化名派生
         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
+            _DerivedArgs: list[str] = ClassName[len(base_name) + 1:-1].split('][')
+            _DerivedNames: list[str] = [a.rsplit('.', 1)[-1] for a in _DerivedArgs]
+            type_info = (_DerivedArgs, _DerivedNames)
         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
         # cached_declare_only=True 且 declare_only=False，自动补发方法体