diff --git a/src/pages/processCenter/pages/creatProcess/qbrk-product/step5.vue b/src/pages/processCenter/pages/creatProcess/qbrk-product/step5.vue
index 9f812fcdf..7766de283 100644
--- a/src/pages/processCenter/pages/creatProcess/qbrk-product/step5.vue
+++ b/src/pages/processCenter/pages/creatProcess/qbrk-product/step5.vue
@@ -1482,6 +1482,7 @@
                             zrDeptIdName:this.$store.getters.userInfo.institutionName,
                             children:[],
                         };
+                        if(!this.form.modelData) this.form.modelData=[]
                         this.form.modelData.push(list);
                         this.$message.success("新增成功")
                         this.showForm.modelNum = ""