From 469e8191df56e73e8411b4af3850df885dc0d10c Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@buaa.edu.cn>
Date: Tue, 13 Nov 2018 21:47:46 +0800
Subject: [PATCH] [bugfix] Tab: line width can be zero (#2081)

---
 packages/tabs/index.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/tabs/index.vue b/packages/tabs/index.vue
index 40c42a604..f3a92ba88 100644
--- a/packages/tabs/index.vue
+++ b/packages/tabs/index.vue
@@ -256,7 +256,7 @@ export default create({
         }
 
         const tab = this.$refs.tabs[this.curActive];
-        const width = this.lineWidth || (tab.offsetWidth / 2);
+        const width = this.isDef(this.lineWidth) ? this.lineWidth : (tab.offsetWidth / 2);
         const left = tab.offsetLeft + (tab.offsetWidth - width) / 2;
 
         this.lineStyle = {