fix AutoBackup

package.json

@@ -259,11 +259,12 @@
         "name": "自动备份",
         "description": "自动备份数据和配置文件。",
         "labels": "系统设置",
-        "version": "1.2",
+        "version": "1.3",
         "icon": "Time_machine_B.png",
         "author": "thsrite",
         "level": 1,
         "history": {
+            "v1.3":"去除已废弃的环境变量引用",
             "v1.2": "增强API安全性"
         }
     },

plugins/autobackup/__init__.py

@@ -25,7 +25,7 @@ class AutoBackup(_PluginBase):
     # 插件图标
     plugin_icon = "Time_machine_B.png"
     # 插件版本
-    plugin_version = "1.2"
+    plugin_version = "1.3"
     # 插件作者
     plugin_author = "thsrite"
     # 作者主页
@@ -153,10 +153,14 @@ class AutoBackup(_PluginBase):
             backup_file = f"bk_{time.strftime('%Y%m%d%H%M%S')}"
             backup_path = bk_path / backup_file
             backup_path.mkdir(parents=True)
+
             # 把现有的相关文件进行copy备份
-            if settings.LIBRARY_CATEGORY:
-                shutil.copy(f'{config_path}/category.yaml', backup_path)
-            shutil.copy(f'{config_path}/user.db', backup_path)
+            category_file = config_path / "category.yaml"
+            if category_file.exists():
+                shutil.copy(category_file, backup_path)
+            userdb_file = config_path / "user.db"
+            if userdb_file.exists():
+                shutil.copy(userdb_file, backup_path)
 
             zip_file = str(backup_path) + '.zip'
             if os.path.exists(zip_file):