diff --git a/src/components/page/Login.vue b/src/components/page/Login.vue
index 23dbc46..61a16d3 100644
--- a/src/components/page/Login.vue
+++ b/src/components/page/Login.vue
@@ -67,8 +67,8 @@ export default {
     data: function() {
         return {
             param: {
-                username: 'admin',
-                password: 'admin'
+                username: '',
+                password: ''
             },
             rules: {
                 username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
diff --git a/src/components/page/Student.vue b/src/components/page/Student.vue
index ed53819..061ae56 100644
--- a/src/components/page/Student.vue
+++ b/src/components/page/Student.vue
@@ -342,6 +342,12 @@ export default {
                     tooltip: {
                         trigger: 'item'
                     },
+                    grid: {
+                        left: '3%',
+                        right: '10%',
+                        bottom: '3%',
+                        containLabel: true
+                    },
                     xAxis: {
                         name: '次数',
                         type: 'value',
@@ -349,7 +355,7 @@ export default {
                     },
                     yAxis: {
                         type: 'category',
-                        data: schoolList,
+                        data: schoolList.reverse(),
                     },
                     series: [{
                         data: frequencyList,
@@ -389,13 +395,13 @@ export default {
                     },
                     yAxis: {
                         type: 'category',
-                        data: schoolList1
+                        data: schoolList1.reverse()
                     },
                     series: [
                         {
                             name: '平均实验时间：',
                             type: 'bar',
-                            data: timeList,
+                            data: timeList.reverse(),
                             color: ['#9278ff']
                         },
                     ]