diff --git a/src/views/course/Courseware.vue b/src/views/course/Courseware.vue
index 09acdd5f..a816724c 100644
--- a/src/views/course/Courseware.vue
+++ b/src/views/course/Courseware.vue
@@ -169,7 +169,8 @@
             </el-table-column>
             <el-table-column prop="duration" label="时长(分)"  width="100">
               <template slot-scope="scope">
-                <el-input type="number" size="small" v-model="scope.row.minute"></el-input>
+                <!-- <el-input type="number" :stpe="1" min="0" size="small" step-strictly v-model="scope.row.minute"></el-input> -->
+                <el-input-number style="width: 78px;" controls-position="right" size="small" :min="0" v-model="scope.row.minute" :step="1" step-strictly></el-input-number>
               </template>
             </el-table-column>
             <el-table-column label="可见性" width="100">
@@ -831,6 +832,16 @@ export default {
 </script>
 
 <style lang="scss" scoped>
+::v-deep .el-input-number.is-controls-right .el-input__inner{
+  padding-right: 20px;
+  padding-left: 8px;
+}
+::v-deep .el-input-number__decrease{
+  width: 16px;
+}
+::v-deep .el-input-number__increase{
+  width: 16px;
+}
 .butpost{
   position: absolute;
   right: 1%;