perf: 优化 404 提示

astrbot/core/platform/manager.py

@@ -24,7 +24,10 @@ class PlatformManager():
                 case "qq_official":
                     from .sources.qqofficial.qqofficial_platform_adapter import QQOfficialPlatformAdapter # noqa: F401
                 case "vchat":
-                    from .sources.vchat.vchat_platform_adapter import VChatPlatformAdapter # noqa: F401
+                    try:
+                        from .sources.vchat.vchat_platform_adapter import VChatPlatformAdapter # noqa: F401
+                    except BaseException:
+                        logger.warning("当前 astrbot 已不维护 vchat 的接入，如有需要请 pip 安装 vchat 然后重启")
                 case "gewechat":
                     from .sources.gewechat.gewechat_platform_adapter import GewechatPlatformAdapter # noqa: F401
         

astrbot/dashboard/routes/static_file.py

@@ -6,6 +6,10 @@ class StaticFileRoute(Route):
         index_ = ['/', '/auth/login', '/config', '/logs', '/extension', '/dashboard/default', '/project-atri', '/console', '/chat']
         for i in index_:
             self.app.add_url_rule(i, view_func=self.index)
+            
+        @self.app.errorhandler(404)
+        async def page_not_found(e):
+            return "404 Not found。如果你初次使用打开面板发现 404，请参考文档: https://astrbot.app/deploy/dashboard-404.html"
     
     async def index(self):
         return await self.app.send_static_file('index.html')