diff --git a/src/packages/tag/tag.harmony.css b/src/packages/tag/tag.harmony.css
index ce143592d9..4295ac3c95 100644
--- a/src/packages/tag/tag.harmony.css
+++ b/src/packages/tag/tag.harmony.css
@@ -52,6 +52,7 @@
   display: inline-flex;
   align-items: center;
   justify-content: center;
+  font-size: 10px;
 }
 .nut-tag-plain {
   background-color: #fff;
diff --git a/src/packages/tag/tag.scss b/src/packages/tag/tag.scss
index 04bab27ae9..e581270fa6 100644
--- a/src/packages/tag/tag.scss
+++ b/src/packages/tag/tag.scss
@@ -66,6 +66,7 @@
     display: inline-flex;
     align-items: center;
     justify-content: center;
+    font-size: $tag-font-size;
   }
 
   &-plain {
diff --git a/src/packages/tag/tag.taro.tsx b/src/packages/tag/tag.taro.tsx
index ee632ffaf1..b9ffcbe3d5 100644
--- a/src/packages/tag/tag.taro.tsx
+++ b/src/packages/tag/tag.taro.tsx
@@ -145,6 +145,7 @@ export const Tag: FunctionComponent<Partial<TagProps>> = (props) => {
                   setVisible(false)
                   onClose && onClose(e)
                 }}
+                className={`${classPrefix}-custom-icon`}
               >
                 X
               </Text>