diff --git a/package-lock.json b/package-lock.json
index ba9711b..3a31a17 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4191,27 +4191,6 @@
         }
       }
     },
-    "node_modules/@nestjs/platform-socket.io": {
-      "version": "11.1.11",
-      "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-11.1.11.tgz",
-      "integrity": "sha512-0z6pLg9CuTXtz7q2lRZoPOU94DN28OTa39f4cQrlZysKA6QrKM7w7z6xqb4g32qjF+LQHFNRmMJtE/pLrxBaig==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "socket.io": "4.8.3",
-        "tslib": "2.8.1"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/nest"
-      },
-      "peerDependencies": {
-        "@nestjs/common": "^11.0.0",
-        "@nestjs/websockets": "^11.0.0",
-        "rxjs": "^7.1.0"
-      }
-    },
     "node_modules/@nestjs/websockets": {
       "version": "11.1.11",
       "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-11.1.11.tgz",
@@ -8141,14 +8120,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/@socket.io/component-emitter": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz",
-      "integrity": "sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true
-    },
     "node_modules/@standard-schema/spec": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.0.0.tgz",
@@ -9436,17 +9407,6 @@
         "assertion-error": "^2.0.1"
       }
     },
-    "node_modules/@types/cors": {
-      "version": "2.8.19",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.19.tgz",
-      "integrity": "sha512-mFNylyeyqN93lfe/9CSxOGREz8cpzAhH+E93xJ4xWQf62V8sQ/24reV2nyzUWM6H6Xji+GGHpkbLe7pVoUEskg==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
     "node_modules/@types/deep-eql": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@types/deep-eql/-/deep-eql-4.0.2.tgz",
@@ -10280,32 +10240,6 @@
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       "license": "MIT"
     },
-    "node_modules/accepts": {
-      "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
-      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "mime-types": "~2.1.34",
-        "negotiator": "0.6.3"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/accepts/node_modules/negotiator": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
-      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/acorn": {
       "version": "8.15.0",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
@@ -10891,17 +10825,6 @@
       ],
       "license": "MIT"
     },
-    "node_modules/base64id": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
-      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": "^4.5.0 || >= 5.9"
-      }
-    },
     "node_modules/baseline-browser-mapping": {
       "version": "2.8.32",
       "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.8.32.tgz",
@@ -11137,22 +11060,6 @@
       "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
       "license": "MIT"
     },
-    "node_modules/bufferutil": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.1.0.tgz",
-      "integrity": "sha512-ZMANVnAixE6AWWnPzlW2KpUrxhm9woycYvPOo67jWHyFowASTEd9s+QN1EIMsSDtwhIxN4sWE1jotpuDUIgyIw==",
-      "dev": true,
-      "hasInstallScript": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "node-gyp-build": "^4.3.0"
-      },
-      "engines": {
-        "node": ">=6.14.2"
-      }
-    },
     "node_modules/busboy": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/busboy/-/busboy-1.6.0.tgz",
@@ -13487,50 +13394,6 @@
         "once": "^1.4.0"
       }
     },
-    "node_modules/engine.io": {
-      "version": "6.6.5",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.6.5.tgz",
-      "integrity": "sha512-2RZdgEbXmp5+dVbRm0P7HQUImZpICccJy7rN7Tv+SFa55pH+lxnuw6/K1ZxxBfHoYpSkHLAO92oa8O4SwFXA2A==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@types/cors": "^2.8.12",
-        "@types/node": ">=10.0.0",
-        "accepts": "~1.3.4",
-        "base64id": "2.0.0",
-        "cookie": "~0.7.2",
-        "cors": "~2.8.5",
-        "debug": "~4.4.1",
-        "engine.io-parser": "~5.2.1",
-        "ws": "~8.18.3"
-      },
-      "engines": {
-        "node": ">=10.2.0"
-      }
-    },
-    "node_modules/engine.io-parser": {
-      "version": "5.2.3",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.3.tgz",
-      "integrity": "sha512-HqD3yTBfnBxIrbnM1DoD6Pcq8NECnh8d4As1Qgh0z5Gg3jRRIqijury0CL3ghu/edArpUYiYqQiDUQBIs4np3Q==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=10.0.0"
-      }
-    },
-    "node_modules/engine.io/node_modules/cookie": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
-      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/enhanced-resolve": {
       "version": "5.18.3",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.18.3.tgz",
@@ -19221,20 +19084,6 @@
         "webidl-conversions": "^3.0.0"
       }
     },
-    "node_modules/node-gyp-build": {
-      "version": "4.8.4",
-      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.8.4.tgz",
-      "integrity": "sha512-LA4ZjwlnUblHVgq0oBF3Jl/6h/Nvs5fzBLwdEF4nuxnFdsfajde4WfxtJr3CaiH+F6ewcIB/q4jQ4UzPyid+CQ==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "bin": {
-        "node-gyp-build": "bin.js",
-        "node-gyp-build-optional": "optional.js",
-        "node-gyp-build-test": "build-test.js"
-      }
-    },
     "node_modules/node-releases": {
       "version": "2.0.27",
       "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.27.tgz",
@@ -24957,53 +24806,6 @@
         "npm": ">= 3.0.0"
       }
     },
-    "node_modules/socket.io": {
-      "version": "4.8.3",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.3.tgz",
-      "integrity": "sha512-2Dd78bqzzjE6KPkD5fHZmDAKRNe3J15q+YHDrIsy9WEkqttc7GY+kT9OBLSMaPbQaEd0x1BjcmtMtXkfpc+T5A==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "accepts": "~1.3.4",
-        "base64id": "~2.0.0",
-        "cors": "~2.8.5",
-        "debug": "~4.4.1",
-        "engine.io": "~6.6.0",
-        "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.4"
-      },
-      "engines": {
-        "node": ">=10.2.0"
-      }
-    },
-    "node_modules/socket.io-adapter": {
-      "version": "2.5.6",
-      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.5.6.tgz",
-      "integrity": "sha512-DkkO/dz7MGln0dHn5bmN3pPy+JmywNICWrJqVWiVOyvXjWQFIv9c2h24JrQLLFJ2aQVQf/Cvl1vblnd4r2apLQ==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "debug": "~4.4.1",
-        "ws": "~8.18.3"
-      }
-    },
-    "node_modules/socket.io-parser": {
-      "version": "4.2.5",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.5.tgz",
-      "integrity": "sha512-bPMmpy/5WWKHea5Y/jYAP6k74A+hvmRCQaJuJB6I/ML5JZq/KfNieUVo/3Mh7SAqn7TyFdIo6wqYHInG1MU1bQ==",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@socket.io/component-emitter": "~3.1.0",
-        "debug": "~4.4.1"
-      },
-      "engines": {
-        "node": ">=10.0.0"
-      }
-    },
     "node_modules/socks": {
       "version": "2.8.7",
       "resolved": "https://registry.npmjs.org/socks/-/socks-2.8.7.tgz",
@@ -26953,22 +26755,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/utf-8-validate": {
-      "version": "6.0.6",
-      "resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-6.0.6.tgz",
-      "integrity": "sha512-q3l3P9UtEEiAHcsgsqTgf9PPjctrDWoIXW3NpOHFdRDbLvu4DLIcxHangJ4RLrWkBcKjmcs/6NkerI8T/rE4LA==",
-      "dev": true,
-      "hasInstallScript": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "node-gyp-build": "^4.3.0"
-      },
-      "engines": {
-        "node": ">=6.14.2"
-      }
-    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
diff --git a/src/components/CloudAccountList.tsx b/src/components/CloudAccountList.tsx
index 6831601..6673a6e 100644
--- a/src/components/CloudAccountList.tsx
+++ b/src/components/CloudAccountList.tsx
@@ -176,8 +176,15 @@ export function CloudAccountList() {
   };
 
   const handleForcePoll = () => {
+    if (forcePollMutation.isPending) return;
     forcePollMutation.mutate(undefined, {
       onSuccess: () => toast({ title: t('cloud.polling') }),
+      onError: (err) =>
+        toast({
+          title: t('cloud.toast.pollFailed'),
+          description: getLocalizedErrorMessage(err, t),
+          variant: 'destructive',
+        }),
     });
   };
 
diff --git a/src/hooks/useCloudAccounts.ts b/src/hooks/useCloudAccounts.ts
index bf18bf1..aba6146 100644
--- a/src/hooks/useCloudAccounts.ts
+++ b/src/hooks/useCloudAccounts.ts
@@ -47,12 +47,12 @@ export function useRefreshQuota() {
   return useMutation({
     mutationFn: refreshAccountQuota,
     onSuccess: (updatedAccount: CloudAccount) => {
-      // Optimistically update the list or just invalidate?
-      // Invalidating is safer as sorting might change (last_used)
+      // Optimistically update
       queryClient.setQueryData(QUERY_KEYS.cloudAccounts, (oldData: CloudAccount[] | undefined) => {
         if (!oldData) return [updatedAccount];
         return oldData.map((acc) => (acc.id === updatedAccount.id ? updatedAccount : acc));
       });
+      queryClient.invalidateQueries({ queryKey: QUERY_KEYS.cloudAccounts });
     },
   });
 }
@@ -97,8 +97,12 @@ export function useSetAutoSwitchEnabled() {
 }
 
 export function useForcePollCloudMonitor() {
+  const queryClient = useQueryClient();
   return useMutation({
     mutationFn: forcePollCloudMonitor,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: QUERY_KEYS.cloudAccounts });
+    },
   });
 }
 
diff --git a/src/ipc/cloud/handler.ts b/src/ipc/cloud/handler.ts
index 7574433..9ae0b8b 100644
--- a/src/ipc/cloud/handler.ts
+++ b/src/ipc/cloud/handler.ts
@@ -123,6 +123,8 @@ export async function refreshAccountQuota(accountId: string): Promise<CloudAccou
     const quota = await GoogleAPIService.fetchQuota(account.token.access_token);
     account.quota = quota;
     await CloudAccountRepo.updateQuota(account.id, quota);
+    await CloudAccountRepo.updateLastUsed(account.id);
+    account.last_used = Math.floor(Date.now() / 1000); // Sync memory object
     notifyTrayUpdate(account);
     return account;
   } catch (error: any) {
@@ -143,6 +145,8 @@ export async function refreshAccountQuota(accountId: string): Promise<CloudAccou
         const quota = await GoogleAPIService.fetchQuota(account.token.access_token);
         account.quota = quota;
         await CloudAccountRepo.updateQuota(account.id, quota);
+        await CloudAccountRepo.updateLastUsed(account.id);
+        account.last_used = Math.floor(Date.now() / 1000); // Sync memory object
         return account;
       } catch (refreshError) {
         logger.error(
diff --git a/src/ipc/manager.ts b/src/ipc/manager.ts
index 1576967..fbc403d 100644
--- a/src/ipc/manager.ts
+++ b/src/ipc/manager.ts
@@ -78,7 +78,7 @@ function createIPCClient(port: MessagePort) {
           pendingRequests.delete(id);
           reject(new Error(`Request /${methodPath} timed out`));
         }
-      }, 10000);
+      }, 60000);
     });
   }
 
diff --git a/src/localization/i18n.ts b/src/localization/i18n.ts
index 4aed5ef..dbc7f33 100644
--- a/src/localization/i18n.ts
+++ b/src/localization/i18n.ts
@@ -245,6 +245,7 @@ i18n
               },
               quotaRefreshed: 'Quota refreshed',
               refreshFailed: 'Failed to refresh quota',
+              pollFailed: 'Failed to poll quota for all accounts',
               switched: {
                 title: 'Account switched!',
                 description: 'Restarting Antigravity...',
@@ -533,6 +534,7 @@ i18n
               },
               quotaRefreshed: '配额已刷新',
               refreshFailed: '刷新配额失败',
+              pollFailed: '轮询所有账号配额失败',
               switched: {
                 title: '账号已切换！',
                 description: '正在重启 Antigravity...',
diff --git a/src/services/CloudMonitorService.ts b/src/services/CloudMonitorService.ts
index 70b1eee..a916042 100644
--- a/src/services/CloudMonitorService.ts
+++ b/src/services/CloudMonitorService.ts
@@ -53,6 +53,7 @@ export class CloudMonitorService {
 
         // 3. Update DB
         await CloudAccountRepo.updateQuota(account.id, quota);
+        await CloudAccountRepo.updateLastUsed(account.id);
       } catch (error) {
         logger.error(`Monitor: Failed to update ${account.email}`, error);
         // Could mark status as 'error' or 'rate_limited' if 429