数据选择（下拉视图）调整

src/components/app-mob-select-drop-down/app-mob-select-drop-down.vue

 <template>
-     <div v-if="overload" class="app-mobile-select-drop-down">
+     <div class="app-mobile-select-drop-down">
         <div class="cancel-icon" v-if="curvalue"><ion-icon name="close-circle-outline" @click="clear"></ion-icon></div>
         <div v-if="curvalue== null || curvalue==''" class="ion-select-icon"></div>
         <ion-select :value="curvalue"  :disabled="disabled " @click="onSearch(null)" @ionChange="change" interface="action-sheet" :cancel-text="$t('app.button.cancel')">
@@ -169,23 +169,6 @@ export default class AppSelectDropDown extends Vue {
      */
     @Prop({ default: {} }) protected navigateContext?: any;
 
-    /**
-     * 表单请求完成
-     *
-     * @type {*}
-     * @memberof AppSelectDropDown
-     */
-    @Prop() public dataOverLoad?: any;
-
-    /**
-     * 监听表单请求完成
-     * @memberof AppSelectDropDown
-     */
-    @Watch("dataOverLoad")
-    onDataOverLoadChange(newVal: any, oldVal: any){
-        this.onSearch();
-    }
-
     /**
      * 当前值
      *
@@ -239,8 +222,13 @@ export default class AppSelectDropDown extends Vue {
      * @memberof AppSelectDropDown
      */
     get refvalue() {
-        if (this.valueitem && this.data) {
-            return this.data[this.valueitem];
+        if (this.valueitem && this.data && this.items.length > 0) {
+            let index = this.items.indexOf(this.data[this.valueitem])
+            if(index !== -1){
+                return this.data[this.valueitem];
+            } else {
+                return this.curvalue;
+            }
         }
         return this.curvalue;
     }
@@ -279,14 +267,6 @@ export default class AppSelectDropDown extends Vue {
         }
     }
 
-    /**
-     * 加载完成
-     *
-     * @type {*}
-     * @memberof AppSelectDropDown
-     */
-    public overload: boolean = false;
-
     /**
      * vue 生命周期
      *
@@ -336,7 +316,6 @@ export default class AppSelectDropDown extends Vue {
         if (entityService && entityService[this.acParams.interfaceName] && entityService[this.acParams.interfaceName] instanceof Function) {
             const response = await entityService[this.acParams.interfaceName](_context, _param);
             if (response && response.status === 200) {
-                this.overload = true;
                 this.items = response.data;
                 this.result(this.items);
             } else {