diff --git a/packages/taro-runtime/src/hydrate.ts b/packages/taro-runtime/src/hydrate.ts
index d04d9b6b2433..beae0ff281f1 100644
--- a/packages/taro-runtime/src/hydrate.ts
+++ b/packages/taro-runtime/src/hydrate.ts
@@ -81,6 +81,8 @@ export function hydrate (node: TaroElement | TaroText): MiniData {
 
   if (childNodes.length > 0) {
     data[Shortcuts.Childnodes] = childNodes.map(hydrate)
+  } else {
+    data[Shortcuts.Childnodes] = []
   }
 
   if (node.className !== '') {