diff --git a/frontend/src/views/chart/view/CalcChartFieldEdit.vue b/frontend/src/views/chart/view/CalcChartFieldEdit.vue
index b4fd101f40..8e4320845a 100644
--- a/frontend/src/views/chart/view/CalcChartFieldEdit.vue
+++ b/frontend/src/views/chart/view/CalcChartFieldEdit.vue
@@ -71,7 +71,7 @@
                     </div>
                     <i
                       class="el-icon-info"
-                      style="cursor: pointer;"
+                      style="cursor: pointer;z-index: 5;position: relative"
                     />
                   </el-tooltip>
                 </template>