diff --git a/ui/src/components/auto-tooltip/index.vue b/ui/src/components/auto-tooltip/index.vue
index 531e2c4c6..cc29d99b0 100644
--- a/ui/src/components/auto-tooltip/index.vue
+++ b/ui/src/components/auto-tooltip/index.vue
@@ -4,6 +4,7 @@
     :disabled="!(containerWeight > contentWeight)"
     effect="dark"
     placement="bottom"
+    popper-class="auto-tooltip-popper"
   >
     <div ref="tagLabel" :class="['auto-tooltip', className]" :style="style">
       <slot></slot>
diff --git a/ui/src/styles/element-plus.scss b/ui/src/styles/element-plus.scss
index 21ace0feb..338741239 100644
--- a/ui/src/styles/element-plus.scss
+++ b/ui/src/styles/element-plus.scss
@@ -323,4 +323,11 @@
 // select下拉框
 .select-popper {
   max-width: 300px;
+  .el-select-dropdown__wrap {
+    max-width: 300px;
+  }
+}
+
+.auto-tooltip-popper {
+  max-width: 500px;
 }