标签管理修改时params非空校验

src/views/template/incomeWmsLabel.vue

@@ -359,7 +359,7 @@ export default {
       getIncomeWmsLabel(id).then(response => {
         this.form = response.data
         console.log(this.form)
-        if (this.form.params !== null && this.form.params !== undefined) {
+        if (this.form.params !== null && this.form.params !== undefined && this.form.params !== '') {
           this.paramsItems = []
           const obj = JSON.parse(this.form.params)
           for (const key in obj) {
@@ -396,7 +396,7 @@ export default {
       this.$refs['form'].validate(valid => {
         if (valid) {
           if (this.paramsItems.length === 1 && this.paramsItems[0].key === '') {
-            this.form.params = undefined
+            this.form.params = null
           } else {
             this.form.params = JSON.stringify(this.paramsItems.reduce((obj, item) => {
               if (item.key !== null && item.key !== '') {