确认弹窗的取消按钮bug修复

src/views/plan/workorder/index.vue

@@ -747,6 +747,7 @@ export default {
         }
       }
       this.loading = true;
+      let _this = this;
       const workorderIds = row.workorderCode || this.codes;
       this.$modal.confirm('是否确认下发生产工单编号为"' + workorderIds + '"的数据项？').then(function () {
 
@@ -755,8 +756,16 @@ export default {
         this.loading = false;
         this.getList();
         this.$modal.msgSuccess("下发成功");
-      }).catch(() => {
+      }).catch(
-      });
+        function (e) {
+          if (e == 'cancel') {
+              _this.loading = false;
+          } else if(e == 'close') {
+              _this.loading = false;
+      
+          }
+      }
+      );
     },
     // 变更-工单变更按钮操作
     handleUpdate(row) {