s-tab添加横向滚动支持

packages/components/STab/index.vue

@@ -89,7 +89,7 @@ export default {
       index += 1
       let vm = this
       let count = Math.floor(vm.deviceWidth / width)
-      let overFlowWinth = vm.deviceWidth - count * width
+      let overFlowWidth = vm.deviceWidth - count * width
       let num
       if (index > count) {
         num = index - count
@@ -99,7 +99,7 @@ export default {
       if (num === 0) {
         vm.translate = -num * width
       } else {
-        vm.translate = -num * width + overFlowWinth
+        vm.translate = -num * width + overFlowWidth
       }
     },
   },