diff --git a/src/app/elements/iframe/iframe.component.ts b/src/app/elements/iframe/iframe.component.ts
index 3a59182f..ee77bc0f 100644
--- a/src/app/elements/iframe/iframe.component.ts
+++ b/src/app/elements/iframe/iframe.component.ts
@@ -75,8 +75,10 @@ export class ElementIframeComponent implements OnInit, AfterViewInit, OnDestroy
     setTimeout(function () {
       // 长时间未PING通, 则主动关闭
       clearInterval(this.ping);
-      const msg = this._i18n.instant('Failed to open address');
-      alert(`${msg}:\n${this.src}`);
+      if (!this.show) {
+        const msg = this._i18n.instant('Failed to open address');
+        alert(`${msg}:\n${this.src}`);
+      }
     }.bind(this), 500 * 20);
   }
 
diff --git a/src/app/globals.ts b/src/app/globals.ts
index 7450158d..d717f0c0 100644
--- a/src/app/globals.ts
+++ b/src/app/globals.ts
@@ -52,7 +52,7 @@ export const TYPE_DB_GUI: ConnectType = {
   id: 'dbGUI',
   requireXPack: true,
   protocol: 'http',
-  client: true
+  client: false
 };
 
 export const TYPE_DB_CLIENT: ConnectType = {
diff --git a/src/app/utils/common.ts b/src/app/utils/common.ts
index 940783af..667ea448 100644
--- a/src/app/utils/common.ts
+++ b/src/app/utils/common.ts
@@ -51,7 +51,7 @@ export function getCookie(name: string): string {
 
 export function getCsrfTokenFromCookie(): string {
   let prefix = getCookie('SESSION_COOKIE_NAME_PREFIX');
-  if (!prefix) { prefix = ''; }
+  if (!prefix || [`""`, `''`].indexOf(prefix) > -1) { prefix = ''; }
   const name = `${prefix}csrftoken`;
   return getCookie(name);
 }