diff --git a/ruoyi-ui/src/views/index.vue b/ruoyi-ui/src/views/index.vue
index f452d61..8ab26c2 100644
--- a/ruoyi-ui/src/views/index.vue
+++ b/ruoyi-ui/src/views/index.vue
@@ -87,13 +87,13 @@ export default {
         unit: '天'
       },
       pieChartData: {
-        year: null,
-        month: null,
+        year: '',
+        month: '',
         workHours: []
       },
       barChartData: {
-        year: null,
-        month: null,
+        year: '',
+        month: '',
         departList: [],
         wages: []
       }
@@ -146,13 +146,13 @@ export default {
         unit: '天'
       };
       this.pieChartData= {
-        year: null,
-        month: null,
+        year: '',
+        month: '',
         workHours: []
       };
       this.barChartData= {
-        year: null,
-        month: null,
+        year: '',
+        month: '',
         departList: [],
         wages: []
       };