diff --git a/src/utils/index.ts b/src/utils/index.ts
index 37526aa5..0e9b23fc 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -38,7 +38,7 @@ export function deepMerge<T = any>(src: any = {}, target: any = {}): T {
   let key: string;
   const res: any = cloneDeep(src);
   for (key in target) {
-    res[key] = isObject(res[key]) ? deepMerge(res[key], target[key]) : (res[key] = target[key]);
+    res[key] = isObject(res[key]) ? deepMerge(res[key], target[key]) : target[key];
   }
   return res;
 }