diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
index 2550558f9bc96d0fbb3e9b5446b1590a99d73f9b..9cc3b61ebcc3ac20bd195443d8ac73b51ba76b14 100644
--- a/entry/src/main/ets/pages/Index.ets
+++ b/entry/src/main/ets/pages/Index.ets
@@ -64,8 +64,15 @@ struct Index {
         }
         .width(CommonConstants.FULL_PERCENT)
         .backgroundColor(Color.White)
-        .tabBar(SubTabBarStyle.of($r('app.string.tab_index_one_title'))
-          .indicator({ color: $r('app.color.ohos_id_color_emphasize') })
+        .tabBar(
+          SubTabBarStyle.of($r('app.string.tab_index_one_title'))
+            .indicator({ color: $r('app.color.ohos_id_color_emphasize') })
+            .labelStyle({
+              overflow: TextOverflow.Clip,
+              minFontSize: $r('app.integer.min_font_size'),
+              maxFontSize: $r('app.integer.max_font_size'),
+              font: { size: $r('app.integer.font_size') }
+            })
         )
 
         // Preview network PDF files.
@@ -103,6 +110,12 @@ struct Index {
         .tabBar(
           SubTabBarStyle.of($r('app.string.tab_index_two_title'))
             .indicator({ color: $r('app.color.ohos_id_color_emphasize') })
+            .labelStyle({
+              overflow: TextOverflow.Clip,
+              minFontSize: $r('app.integer.min_font_size'),
+              maxFontSize: $r('app.integer.max_font_size'),
+              font: { size: $r('app.integer.font_size') }
+            })
         )
       }
       .barBackgroundColor(Color.White)
diff --git a/entry/src/main/resources/base/element/integer.json b/entry/src/main/resources/base/element/integer.json
index 29d19548575a1a08c66bf0ec7b4e8b10b3662ec3..4b52f797dd7be809187cb15a3ac3cc9dcf4f78c6 100644
--- a/entry/src/main/resources/base/element/integer.json
+++ b/entry/src/main/resources/base/element/integer.json
@@ -7,6 +7,18 @@
     {
       "name": "home_margin_top",
       "value": 15
+    },
+    {
+      "name": "min_font_size",
+      "value": 12
+    },
+    {
+      "name": "max_font_size",
+      "value": 16
+    },
+    {
+      "name": "font_size",
+      "value": 16
     }
   ]
 }
\ No newline at end of file