diff --git a/nezha-fronted/src/assets/css/themes/theme-dark.scss b/nezha-fronted/src/assets/css/themes/theme-dark.scss
index 51ebcb1bc..a5a9a5434 100644
--- a/nezha-fronted/src/assets/css/themes/theme-dark.scss
+++ b/nezha-fronted/src/assets/css/themes/theme-dark.scss
@@ -243,7 +243,7 @@ $--right-box-sub-title-border-color: $--border-color-light;
 
 /* 16.tooltip */
 $--tooltip-background-color: #222329;
-$--tooltip-border-color: #454545;
+$--tooltip-border-color: rgba(112,116,122,0.6);
 
 /*** themes/common.scss是与主题切换无关的变量 ***/
 @import './src/common/var.scss';
diff --git a/nezha-fronted/src/assets/css/themes/theme-light.scss b/nezha-fronted/src/assets/css/themes/theme-light.scss
index 46ed9caff..63da59ffe 100644
--- a/nezha-fronted/src/assets/css/themes/theme-light.scss
+++ b/nezha-fronted/src/assets/css/themes/theme-light.scss
@@ -238,7 +238,7 @@ $--right-box-sub-title-border-color: $--right-box-sub-title-background-color;
 
 /* 16.tooltip */
 $--tooltip-background-color: #ffffff;
-$--tooltip-border-color: #e7eaed;
+$--tooltip-border-color: rgba(119,131,145,0.6);
 
 
 /*** themes/common.scss是与主题切换无关的变量 ***/