diff --git a/src/utils/index.js b/src/utils/index.js
index 821392e9..33383258 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -276,14 +276,7 @@ export function deepClone(source) {
   if (!source && typeof source !== 'object') {
     throw new Error('error arguments', 'shallowClone')
   }
-  const targetObj = source.constructor === Array ? [] : {}
-  Object.keys(source).forEach(keys => {
-    if (source[keys] && typeof source[keys] === 'object') {
-      targetObj[keys] = deepClone(source[keys])
-    } else {
-      targetObj[keys] = source[keys]
-    }
-  })
+  const targetObj = source.constructor === Array ? Object.assign([], source) : Object.assign({}, source)
   return targetObj
 }