perf(api/external/customRequest): 修改select联动下拉框选择了属性（单个）报错问题

@@ -94,7 +94,15 @@ const extraValue = (object: Recordable) => {
 
 const handleParams = (Params: Recordable) => {
   if (Params.keys && Params?.keys?.length) {
-    Params.keys = (Params.keys || [] as any).join(',')
+    /** ft 修改select联动下拉框选择了属性（单个）报错问题
+     * 源代码 Params.keys = (Params.keys || [] as any).join(',')
+     */
+    if(!Array.isArray(Params.keys)){
+        Params.keys = ([Params.keys] || [] as any).join(',')
+      }else{
+        Params.keys = (Params.keys || [] as any).join(',')
+    }
+    //ft
   }
 
   const timePeriod = Params[SelectTimeAggregationFieldEnum.TIME_PERIOD]