diff --git a/src/App.vue b/src/App.vue
index 8050a38..7741bc3 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,7 +1,38 @@
 <script>
-	export default {
+    import {config} from "./common/config";
+
+    export default {
 		onLaunch: function() {
 			console.log('App Launch')
+            uni.showLoading({
+                title:"检测服务端中"
+            })
+            let test=false
+            uni.request({
+                url:config.server+'/api/test.php',
+                success:function (res) {
+                    console.info(res)
+                    if(res.data==="ok"){
+                        uni.showToast({
+                            title:"连接服务端成功"
+                        })
+                    }
+                },fail:function (res) {
+                    console.error(res)
+                    uni.showModal({
+                        title:"错误提示",
+                        content:"服务端连接失败，请检查服务端地址"+config.server+"是否正确",
+                        showCancel:false
+                    })
+                },
+                complete:function () {
+                    uni.hideLoading()
+                    test=true
+                }
+
+            })
+
+
 		},
 		onShow: function() {
 			console.log('App Show')
diff --git a/src/manifest.json b/src/manifest.json
index 1512164..5746dbb 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -71,5 +71,8 @@
     },
     "mp-qq" : {
         "usingComponents" : true
-    }
+    },
+	"networkTimeout": {
+		"request":5000
+	}
 }
diff --git a/src/pages/waste_sorting/query.vue b/src/pages/waste_sorting/query.vue
index b7c06dd..8a30638 100644
--- a/src/pages/waste_sorting/query.vue
+++ b/src/pages/waste_sorting/query.vue
@@ -87,7 +87,12 @@
                                     if (json_res["status"]) {
                                         console.info("查询成功")
                                         if (json_res["result"].length === 0) {
-                                            console.info("没有匹配结果")
+                                            let str="没有匹配结果"
+                                            console.info(str)
+                                            uni.showToast({
+                                                title:str,
+                                                duration:3000
+                                            })
                                         } else {
                                             that.show_info = true
                                             that.query_result = json_res["result"]
@@ -105,7 +110,7 @@
                         },else:function (err) {
                             console.error(err)
                             uni.showToast({
-                                title:"参数解析异常",
+                                title:"参数解析异常,请联系管理员",
                                 duration:3000
                             })
                         }
@@ -142,9 +147,10 @@
                                                 if (json_res["result"].length === 0) {
                                                     let str = "照片解析成功，但是没有垃圾分类信息"
                                                     console.info(str)
-                                                    uni.showToast({
-                                                        title:str,
-                                                        duration:3000
+                                                    uni.showModal({
+                                                        title:"错误提示",
+                                                        content:str,
+                                                        showCancel:false
                                                     })
                                                 }else{
                                                     that.show_info=true
@@ -153,25 +159,28 @@
                                             } else {
                                                 let str = "照片解析失败"
                                                 console.info(str)
-                                                uni.showToast({
-                                                    title:str,
-                                                    duration:3000
+                                                uni.showModal({
+                                                    title:"错误提示",
+                                                    content:str,
+                                                    showCancel:false
                                                 })
                                             }
                                         } else {
                                             let str = "照片解析失败"
                                             console.info(str)
-                                            uni.showToast({
-                                                title:str,
-                                                duration:3000
+                                            uni.showModal({
+                                                title:"错误提示",
+                                                content:str,
+                                                showCancel:false
                                             })
                                         }
                                     },
                                     fail: function (err) {
                                         console.error(err)
-                                        uni.showToast({
-                                            title: "照片解析失败，多次出现此异常请联系管理员",
-                                            duration:3000
+                                        uni.showModal({
+                                            title:"错误提示",
+                                            content: "照片解析失败，多次出现此异常请联系管理员",
+                                            showCancel:false
                                         })
                                     },
                                     complete: function (res) {
@@ -181,18 +190,20 @@
                             },
                             fail: function (err) {
                                 console.error(err)
-                                uni.showToast({
-                                    title: "照片保存失败，多次出现此异常请联系管理员",
-                                    duration:3000
+                                uni.showModal({
+                                    title:"错误提示",
+                                    content: "照片保存失败，多次出现此异常请联系管理员",
+                                    showCancel:false
                                 })
                             }
                         })
                     },
                     fail: function (err) {
                         console.error(err)
-                        uni.showToast({
-                            title: "授权摄像头权限失败，请刷新页面重新授权，多次出现此异常请联系管理员",
-                            duration:3000
+                        uni.showModal({
+                            title:"错误提示",
+                            content: "授权摄像头权限失败，请刷新页面重新授权，多次出现此异常请联系管理员",
+                            showCancel:false
                         })
                     }
                 })
diff --git a/src/pages/waste_sorting/question.vue b/src/pages/waste_sorting/question.vue
index 9056b59..2113e81 100644
--- a/src/pages/waste_sorting/question.vue
+++ b/src/pages/waste_sorting/question.vue
@@ -1,6 +1,6 @@
 <template>
     <view>
-        <view class="uni-padding-wrap uni-common-mt" v-if="isLoad">
+        <view class="uni-padding-wrap" v-if="isLoad">
 
             <view v-for="(question,q_index) in questions" :key="q_index" class="question uni-flex uni-column">
                 <text class="title uni-center">{{question.question_title}}</text>
@@ -14,7 +14,7 @@
                 </radio-group>
             </view>
 
-            <view class="uni-flex uni-row button-group question">
+            <view class="uni-flex uni-row button-group question" v-if="questions.length>0">
                 <view class="flex-item">
                     <button type="primary" @click="submit">提交答卷</button>
                 </view>
@@ -22,6 +22,11 @@
                     <button type="primary" class="reset" @click="reset">重置答卷</button>
                 </view>
             </view>
+            <view class="uni-flex vertical-center" :style="{height: height+'px'}" v-else>
+                <view class="weui-btn-area" :style="{width:width+'px'}">
+                    <button class="weui-btn" type="default" @click="openConfirm">错误提示</button>
+                </view>
+            </view>
         </view>
     </view>
 </template>
@@ -36,10 +41,20 @@
                 title: "垃圾百科测验",
                 questions:[],
                 isLoad:false,
-                show_answer:false
+                show_answer:false,
+                height:0,
+                width:0
             }
         },
         methods:{
+            openConfirm:function(){
+                let that=this
+                uni.showModal({
+                    title:"错误提示",
+                    content:that.err_msg,
+                    showCancel:false
+                })
+            },
             reset:function () {
                 this.show_answer=false
                 uni.reLaunch({
@@ -105,8 +120,16 @@
             uni.showLoading({
                 title:"加载试题中"
             })
-            let url=getInterface(config.interface.create_question)
             let that=this
+            uni.getSystemInfo({
+                success:function (res) {
+                    console.info(res)
+                    that.height=res.windowHeight
+                    that.width=res.windowWidth
+                }
+            })
+            let url=getInterface(config.interface.create_question)
+
             console.info("创建试题接口："+url);
             uni.request({
                 url:url,
@@ -114,6 +137,13 @@
                     console.info(res.data)
                     if(res.data.status) {
                         that.questions = res.data.result;
+                    }else{
+                        that.err_msg=res.data.msg
+                        uni.showModal({
+                            title:"错误提示",
+                            content:that.err_msg,
+                            showCancel:false
+                        })
                     }
                 },
                 fail:function (err) {
@@ -146,7 +176,6 @@
         justify-content: center;
     }
     .true{
-        /*background-color: #75807f;*/
         background-color: lightgrey;
     }
     .true_font{
@@ -156,4 +185,9 @@
     .false{
         color: red;
     }
+/*    水平垂直居中*/
+    .vertical-center{
+        align-items: center;
+        justify-content:center;
+    }
 </style>
\ No newline at end of file