diff --git a/src/components/SearchGrade.vue b/src/components/SearchGrade.vue
index c7b1733ef8022d697fa0056211cf77d35ad8e8ad..9385f2a1fe43ba9a2a9098df404c2d0bea2ea8aa 100644
--- a/src/components/SearchGrade.vue
+++ b/src/components/SearchGrade.vue
@@ -121,9 +121,16 @@ function initFirstData() {
     },
     tooltip: {
       formatter: function (params) {
-        const findItem = state.dataSource.find(item => {
+        let findItem = state.dataSource.find(item => {
           return item.postTime == params.name
         })
+        if(!findItem){
+          findItem={
+            title:'',
+            message:'',
+            url:''
+          }
+        }
         return `<span style='color:blue'>-<span> 博客标题：${findItem.title}  <br>
                 <span style='color:green'>-<span> 博客质量：${params.value} <br>
                 <span style='color:red'>-<span> 博客建议：${findItem.message}<br>