diff --git a/astrbot/core/utils/shared_preferences.py b/astrbot/core/utils/shared_preferences.py
index b11987322..fc0bf7434 100644
--- a/astrbot/core/utils/shared_preferences.py
+++ b/astrbot/core/utils/shared_preferences.py
@@ -8,9 +8,11 @@ class SharedPreferences:
         self._data = self._load_preferences()
 
     def _load_preferences(self):
-        if os.path.exists(self.path):
+        try:
             with open(self.path, "r") as f:
                 return json.load(f)
+        except json.JSONDecodeError:
+            os.remove(self.path)
         return {}
 
     def _save_preferences(self):