diff --git a/src-tauri/src/cmd/profile.rs b/src-tauri/src/cmd/profile.rs
index 74876d28..5c72968b 100644
--- a/src-tauri/src/cmd/profile.rs
+++ b/src-tauri/src/cmd/profile.rs
@@ -176,7 +176,34 @@ pub async fn update_profile(index: String, option: Option<PrfOption>) -> CmdResu
 /// 删除配置文件
 #[tauri::command]
 pub async fn delete_profile(index: String) -> CmdResult {
-    let should_update = wrap_err!({ Config::profiles().data().delete_item(index) })?;
+    let should_update;
+
+    {
+        let profiles_config = Config::profiles();
+        let mut profiles_data = profiles_config.data();
+        should_update = profiles_data.delete_item(index.clone()).map_err(|e| e.to_string())?;
+
+        let was_last_profile = profiles_data.items.as_ref().map_or(true, |items| {
+            !items.iter().any(|item|
+                item.itype == Some("remote".to_string()) || item.itype == Some("local".to_string())
+            )
+        });
+
+        if was_last_profile {
+            logging!(info, Type::Cmd, true, "The last profile has been deleted. Disabling proxy modes...");
+            let verge_config = Config::verge();
+            let mut verge_data = verge_config.data();
+
+            if verge_data.enable_tun_mode == Some(true) || verge_data.enable_system_proxy == Some(true) {
+                verge_data.enable_tun_mode = Some(false);
+                verge_data.enable_system_proxy = Some(false);
+                verge_data.save_file().map_err(|e| e.to_string())?;
+
+                handle::Handle::refresh_verge();
+                handle::Handle::notice_message("info", "All profiles deleted, proxy disabled.");
+            }
+        }
+    }
 
     // 删除后自动清理冗余文件
     let _ = Config::profiles().latest().auto_cleanup();
diff --git a/src/components/home/power-button.tsx b/src/components/home/power-button.tsx
index d1d94cab..eedd5823 100644
--- a/src/components/home/power-button.tsx
+++ b/src/components/home/power-button.tsx
@@ -17,7 +17,8 @@ export const PowerButton = React.forwardRef<HTMLButtonElement, PowerButtonProps>
                 <div
                     className={cn(
                         'absolute h-28 w-28 rounded-full blur-3xl transition-all duration-500',
-                        state === 'on' ? 'bg-green-400/60' : 'bg-red-500/40'
+                        state === 'on' ? 'bg-green-400/60' : 'bg-red-500/40',
+                        props.disabled && 'opacity-0'
                     )}
                 />
 
@@ -33,11 +34,18 @@ export const PowerButton = React.forwardRef<HTMLButtonElement, PowerButtonProps>
                         'data-[state=on]:text-green-500 dark:data-[state=on]:text-white',
                         'data-[state=on]:shadow-[0_0_50px_rgba(34,197,94,1)]',
                         'transition-all duration-300 hover:scale-105 active:scale-95 focus:outline-none',
+                        'disabled:cursor-not-allowed disabled:scale-100',
+
+                        // Стили ТОЛЬКО для отключенного состояния (но не для загрузки)
+                        (props.disabled && !loading) && 'grayscale opacity-50 shadow-none bg-slate-100/70 border-slate-300/80',
                         className
                     )}
                     {...props}
                 >
-                    <Power className="h-20 w-20 transition-transform duration-300 active:scale-90" />
+                    <Power className={cn(
+                    "h-20 w-20",
+                    !props.disabled && "active:scale-90 transition-transform duration-300"
+                    )} />
                 </button>
 
                 {loading && (
diff --git a/src/components/profile/profile-viewer.tsx b/src/components/profile/profile-viewer.tsx
index df3084cb..c35c2d83 100644
--- a/src/components/profile/profile-viewer.tsx
+++ b/src/components/profile/profile-viewer.tsx
@@ -296,7 +296,7 @@ export const ProfileViewer = forwardRef<ProfileViewerRef, Props>(
                 </Button>
                 {!isUrlValid && importUrl && (
                   <p className="text-sm text-destructive px-1">
-                    {t("Please enter a valid URL")}
+                    {t("Invalid Profile URL")}
                   </p>
                 )}
               </div>
diff --git a/src/components/setting/setting-system.tsx b/src/components/setting/setting-system.tsx
index f631cbe4..1cf0a678 100644
--- a/src/components/setting/setting-system.tsx
+++ b/src/components/setting/setting-system.tsx
@@ -1,4 +1,4 @@
-import { useRef, useState } from "react";
+import {useMemo, useRef, useState} from "react";
 import { useTranslation } from "react-i18next";
 import { useLockFn } from "ahooks";
 import { mutate } from "swr";
@@ -56,6 +56,7 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select";
+import {useProfiles} from "@/hooks/use-profiles";
 
 const isWIN = getSystem() === "windows";
 interface Props {
@@ -106,6 +107,12 @@ const SettingSystem = ({ onError }: Props) => {
   const { verge, patchVerge, mutateVerge } = useVerge();
   const { installServiceAndRestartCore } = useServiceInstaller();
 
+  const { profiles } = useProfiles();
+  const hasProfiles = useMemo(() => {
+    const items = profiles?.items ?? [];
+    return items.some(p => p.type === 'local' || p.type === 'remote');
+  }, [profiles]);
+
   const {
     actualState: systemProxyActualState,
     indicator: systemProxyIndicator,
@@ -261,7 +268,7 @@ const SettingSystem = ({ onError }: Props) => {
             }}
             onCatch={onError}
           >
-            <Switch disabled={!isTunAvailable} />
+            <Switch disabled={!isTunAvailable || !hasProfiles} />
           </GuardState>
         </SettingRow>
 
@@ -297,7 +304,7 @@ const SettingSystem = ({ onError }: Props) => {
             }}
             onCatch={onError}
           >
-            <Switch />
+            <Switch disabled={!hasProfiles} />
           </GuardState>
         </SettingRow>