diff --git a/src/tab/test/__snapshots__/demo.spec.js.snap b/src/tab/test/__snapshots__/demo.spec.js.snap
index 7349ac11c..09eacedc0 100644
--- a/src/tab/test/__snapshots__/demo.spec.js.snap
+++ b/src/tab/test/__snapshots__/demo.spec.js.snap
@@ -54,14 +54,14 @@ exports[`renders demo correctly 1`] = `
     <div class="van-tabs van-tabs--line">
       <div class="van-tabs__wrap van-tabs__wrap--scrollable van-hairline--top-bottom">
         <div role="tablist" class="van-tabs__nav van-tabs__nav--line">
-          <div role="tab" aria-selected="true" class="van-tab van-tab--active" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 1</span></div>
-          <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 2</span></div>
-          <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 3</span></div>
-          <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 4</span></div>
-          <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 5</span></div>
-          <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 6</span></div>
-          <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 7</span></div>
-          <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 8</span></div>
+          <div role="tab" aria-selected="true" class="van-tab van-tab--active" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 1</span></div>
+          <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 2</span></div>
+          <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 3</span></div>
+          <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 4</span></div>
+          <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 5</span></div>
+          <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 6</span></div>
+          <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 7</span></div>
+          <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 8</span></div>
           <div class="van-tabs__line" style="width: 0px; transform: translateX(0px) translateX(-50%);"></div>
         </div>
       </div>
@@ -277,14 +277,14 @@ exports[`renders demo correctly 1`] = `
         <div class="van-sticky">
           <div class="van-tabs__wrap van-tabs__wrap--scrollable van-hairline--top-bottom">
             <div role="tablist" class="van-tabs__nav van-tabs__nav--line">
-              <div role="tab" aria-selected="true" class="van-tab van-tab--active" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 1</span></div>
-              <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 2</span></div>
-              <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 3</span></div>
-              <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 4</span></div>
-              <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 5</span></div>
-              <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 6</span></div>
-              <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 7</span></div>
-              <div role="tab" class="van-tab" style="flex-basis: 22%;"><span class="van-tab__text van-tab__text--ellipsis">标签 8</span></div>
+              <div role="tab" aria-selected="true" class="van-tab van-tab--active" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 1</span></div>
+              <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 2</span></div>
+              <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 3</span></div>
+              <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 4</span></div>
+              <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 5</span></div>
+              <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 6</span></div>
+              <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 7</span></div>
+              <div role="tab" class="van-tab" style="flex-basis: 17.6%;"><span class="van-tab__text van-tab__text--ellipsis">标签 8</span></div>
               <div class="van-tabs__line" style="width: 0px; transform: translateX(0px) translateX(-50%);"></div>
             </div>
           </div>