diff --git a/libs/horizon/src/dom/DOMOperator.ts b/libs/horizon/src/dom/DOMOperator.ts
index 9033a028..68bf83b8 100644
--- a/libs/horizon/src/dom/DOMOperator.ts
+++ b/libs/horizon/src/dom/DOMOperator.ts
@@ -54,7 +54,7 @@ function getChildNS(parentNS: string | null, tagName: string): string {
 }
 
 // 获取容器
-export function getNSCtx(dom: Container, parentNS: string, type: string): string {
+export function getNSCtx(dom?: Container, parentNS: string, type: string): string {
   return dom ? getChildNS(dom.namespaceURI ?? null, dom.nodeName) : getChildNS(parentNS, type);
 }
 
diff --git a/libs/horizon/src/renderer/ContextSaver.ts b/libs/horizon/src/renderer/ContextSaver.ts
index b5200eaa..d092dd76 100644
--- a/libs/horizon/src/renderer/ContextSaver.ts
+++ b/libs/horizon/src/renderer/ContextSaver.ts
@@ -31,7 +31,7 @@ let ctxOldPreviousContext: Object = {};
 
 // capture阶段设置
 function setNamespaceCtx(vNode: VNode, dom?: Container) {
-  const nextContext = getNSCtx(dom, ctxNamespace, vNode.type);
+  const nextContext = getNSCtx(ctxNamespace, vNode.type, dom);
 
   vNode.setContext(CTX_NAMESPACE, ctxNamespace);
   ctxNamespace = nextContext;