diff --git a/src/utils/structure.ts b/src/utils/structure.ts
index bba3b6a..bc647d7 100644
--- a/src/utils/structure.ts
+++ b/src/utils/structure.ts
@@ -45,6 +45,10 @@
   if (pid.length > 1) { // 如果有多个pid，直接返回列表， 不去构造树
     return plainList
   }
+  else if (pid.length === 1) {
+    const tree = cleanChildren(buildTree<T>(plainList, pid[0], isSelect))
+    return tree
+  }
   else {
     const tree = cleanChildren(buildTree<T>(plainList, rootId, isSelect))
     return tree