feat:优化职业技能关联实现

backend/core/basic/character/calc_equip.py

@@ -9,6 +9,7 @@ from .base import CharacterBase
 from .config_view import CalcConfigView
 from .effect_apply import apply_uppercase_attrs
 from ..skill_effects import skill_effect_batch
+from ..skill import Skill
 
 
 @cache
@@ -17,7 +18,10 @@ def get_skill_classes(module_name: str) -> tuple[type, ...]:
     return tuple(
         memberClass
         for name in dir(module)
-        if isinstance((memberClass := getattr(module, name)), type) and memberClass.__name__.startswith('Skill')
+        if isinstance((memberClass := getattr(module, name)), type)
+        and memberClass is not Skill
+        and issubclass(memberClass, Skill)
+        and memberClass.__name__.startswith('Skill')
     )