diff --git a/components/configureDevice_2/configureDevice_2.wxml b/components/configureDevice_2/configureDevice_2.wxml
index db1dc9e..a949cbb 100644
--- a/components/configureDevice_2/configureDevice_2.wxml
+++ b/components/configureDevice_2/configureDevice_2.wxml
@@ -5,7 +5,7 @@
             <view>型号：{{device.name}}</view>
         </view>
         <view>
-            <block wx:if="{{connectState == BLUE_STATE.CONNECTSUCCESS}}">
+            <block wx:if="{{device && connectState == BLUE_STATE.CONNECTSUCCESS}}">
                 <view style="background-color: #2AC79F;"></view>
                 <view style="color: #2AC79F;">连接成功</view>
             </block>
diff --git a/pages/replaceNetwork/replaceNetwork.wxml b/pages/replaceNetwork/replaceNetwork.wxml
index f162e82..dd610ce 100644
--- a/pages/replaceNetwork/replaceNetwork.wxml
+++ b/pages/replaceNetwork/replaceNetwork.wxml
@@ -5,7 +5,7 @@
             <view>型号：{{device.name}}</view>
         </view>
         <view>
-            <block wx:if="{{connectState == BLUE_STATE.CONNECTSUCCESS}}">
+            <block wx:if="{{device && connectState == BLUE_STATE.CONNECTSUCCESS}}">
                 <view style="background-color: #2AC79F;"></view>
                 <view style="color: #2AC79F;">连接成功</view>
             </block>
diff --git a/pages/userInfo/userInfo.wxml b/pages/userInfo/userInfo.wxml
index daf008e..5081f5a 100644
--- a/pages/userInfo/userInfo.wxml
+++ b/pages/userInfo/userInfo.wxml
@@ -5,7 +5,7 @@
             <view>型号：{{device.name}}</view>
         </view>
         <view>
-            <block wx:if="{{connectState == BLUE_STATE.CONNECTSUCCESS}}">
+            <block wx:if="{{device && connectState == BLUE_STATE.CONNECTSUCCESS}}">
                 <view style="background-color: #2AC79F;"></view>
                 <view style="color: #2AC79F;">连接成功</view>
             </block>