feat(utils): getPropByPath function adjust (#1276)

Co-authored-by: 三咲智子 <sxzz@sxzz.moe>

packages/utils/util.ts

@@ -49,6 +49,12 @@ export function getPropByPath(
   v: Nullable<unknown>
 } {
   let tempObj = obj
+  let key, value
+
+  if (obj && hasOwn(obj, path)) {
+    key = path
+    value = tempObj?.[path]
+  } else {
     path = path.replace(/\[(\w+)\]/g, '.$1')
     path = path.replace(/^\./, '')
 
@@ -67,10 +73,13 @@ export function getPropByPath(
         break
       }
     }
+    key = keyArr[i]
+    value = tempObj?.[keyArr[i]]
+  }
   return {
     o: tempObj,
-    k: keyArr[i],
-    v: tempObj?.[keyArr[i]],
+    k: key,
+    v: value,
   }
 }