调整动态代码表上下文，参数问题

APP/src/service/app/codelist-service.ts.ftl

@@ -83,6 +83,9 @@ export default class CodeListService {
      */
     <#noparse>public getItems(tag: string,context:any = {}, data?: any, isloading?: boolean,): Promise<any[]> {
         let _this: any = this;
+        if(context && context.srfsessionid){
+            delete context.srfsessionid;
+        }
         let isEnableCache:boolean = _this[tag].isEnableCache;
         let cacheTimeout:any = _this[tag].cacheTimeout;
         return new Promise((resolve:any,reject:any) =>{