lxm--app-span空值处理调整

src/components/app-span/app-span.vue

@@ -148,13 +148,21 @@ export default class AppSpan extends Vue {
         if(this.tag){
             return;  //代码表走codelist组件
         }else if(this.editorType === "ADDRESSPICKUP"){
+            if(this.$util.isEmpty(this.value)){
+                this.text = '';
+            }else{
                 JSON.parse(this.value).forEach((item:any,index:number) => {
                   this.text += index === 0 ? item.srfmajortext : ","+item.srfmajortext;
                 });
+            }
+        }else{
+            if(this.$util.isEmpty(this.value)){
+                this.text = '';
             }else{
                 this.text = this.value;
             }
         }
+    }
     
 }
 </script>