diff --git a/src/assets/css/main.css b/src/assets/css/main.css
index eaa91cf..2ea2257 100644
--- a/src/assets/css/main.css
+++ b/src/assets/css/main.css
@@ -31,7 +31,7 @@ li {
     min-height: calc(100vh);
     padding-bottom: 30px;
     -webkit-transition: left .3s ease-in-out;
-    transition: left .3s ease-in-out;
+    transition: left .3s ease-in-out; 
     background: #f0f0f0;
 }
 
diff --git a/src/components/page/dashboard.vue b/src/components/page/dashboard.vue
index 023ac3e..1a4b39a 100644
--- a/src/components/page/dashboard.vue
+++ b/src/components/page/dashboard.vue
@@ -10,7 +10,7 @@
                     <el-form label-width="80px">
                         <div>
                             <el-form-item label="实验时间" class="userRadio">
-                                <el-radio-group v-model="form.month" @change="getData">
+                                <el-radio-group v-model="month" @change="getData">
                                     <el-radio v-for="(item,index) in dateList" :key="index" :label="item.id" border>{{item.name}}</el-radio>
                                 </el-radio-group>
                                 <el-date-picker v-model="date" align="right" unlink-panels type="daterange" style="margin-left: 10px;"
@@ -205,7 +205,6 @@ export default {
                 status: '',
                 startTime: '',
                 stopTime: '',
-                month: '',
                 searchContent: ''
             },
             multipleSelection: [],
@@ -227,6 +226,7 @@ export default {
                     name: '近六个月'
                 }
             ],
+            month: '',
             date: [],
             pageNo: 1,
             pageSize: 10,
@@ -260,6 +260,14 @@ export default {
         }
     },
     watch: {
+        month: function(val){
+            if(val){
+                let unit = 24 * 60 * 60 * 1000
+                this.date = [this.formatDate('yyyy-MM-dd',new Date(new Date().getTime() - unit * 30 * val)),this.formatDate('yyyy-MM-dd',new Date(new Date().getTime() + unit))]
+            }else{
+                this.date = []
+            }
+        },
         date: function(val){
             if(val){
                 this.form.startTime = val[0]
@@ -299,7 +307,7 @@ export default {
                 type: this.form.type,
                 startTime: this.form.startTime,
                 stopTime: this.form.stopTime,
-                month: this.form.month,
+                month: this.month,
                 searchContent: this.encodeString(this.keyword),
                 status: this.form.status,
                 page: this.pageNo,