修复流水号在标签页中无法被找到的bug

src/mixins/generator/form.js

@@ -369,7 +369,8 @@ export default {
           formMethod(param)
             .then((res) => {
               //查询当前表单是否存在流水号控件
-              let serialRow = this.formData.fields.find((o) => o.__config__.jnpfKey === 'serialNumber')
+             let allFormItem =  loopRelationList(this.formData.fields)
+              let serialRow = allFormItem.find((o) => o.__config__.jnpfKey === 'serialNumber')
               if (serialRow) {
                 let incNumberRow = serialRow.serialgz.find((o) => o.type === 'incNumber')
                 let obj = { modelId: this.dataForm.id, resetCycle: incNumberRow.resetCycle, startValue: incNumberRow.startValue }