diff --git a/src/inject/preload.js b/src/inject/preload.js
index 0b4ddc92..16708d6d 100644
--- a/src/inject/preload.js
+++ b/src/inject/preload.js
@@ -141,6 +141,11 @@ class Injector {
     });
     // recover to the last chat user
     ipcRenderer.on('show-wechat-window', () => {
+      const currentUser = angular.element('#chatArea').scope().currentUser;
+
+      if (currentUser) {
+        this.lastUser = currentUser;
+      }
       if (this.lastUser != null) {
         angular.element('.chat_list').scope().itemClick(this.lastUser);
       }
diff --git a/src/windows/controllers/wechat.js b/src/windows/controllers/wechat.js
index d7e8cc4f..6be02a24 100644
--- a/src/windows/controllers/wechat.js
+++ b/src/windows/controllers/wechat.js
@@ -166,7 +166,7 @@ class WeChatWindow {
   }
 
   registerLocalShortcut() {
-    electronLocalShortcut.register(this.wechatWindow, 'CommandOrControl + H', () => {
+    electronLocalShortcut.register(this.wechatWindow, 'CommandOrControl+H', () => {
       this.wechatWindow.hide();
     });
   }