diff --git a/source/main.ts b/source/main.ts
index d401fb2..13b8d88 100644
--- a/source/main.ts
+++ b/source/main.ts
@@ -368,7 +368,13 @@ export const methods: { [key: string]: (...any: any) => any } = {
         }
         // 预制体资源 
         else if (type === 'cc.Prefab') {
-          const uuid = source[source.length - 1]['asset']['__uuid__'];
+          let uuid: string | undefined = undefined;
+          for (let i = source.length - 1; i >= 0; i--) {
+              if (source[i]['asset']) {
+                  uuid = source[i]['asset']['__uuid__'];
+                  break;
+              }
+          }
           nodeTree['__type__'] = 'cc.Prefab'; // 类型
           nodeTree['__uuid__'] = uuid;        // uuid
           // 从根节点开始读取