szx-1280 编辑时长无效问题修复

src/views/course/Courseware.vue

@@ -483,8 +483,11 @@ export default {
       } else if (this.form.device2 === true) {
         this.form.device = 2;
       }
-      //时长，秒与分钟的转化
-      //if(this.form.)
+      // 时长，秒与分钟的转化
+      if (this.form.minute) {
+        this.form.duration = this.form.minute * 60;
+      }
+
       try {
         const { status,message} = await coueseFile.batchUpdate([this.form]);
         if (status === 200) {