diff --git a/.changeset/ninety-tables-help.md b/.changeset/ninety-tables-help.md
new file mode 100644
index 000000000000..7061149413b6
--- /dev/null
+++ b/.changeset/ninety-tables-help.md
@@ -0,0 +1,6 @@
+---
+'@modern-js/runtime': patch
+---
+
+fix: fix remixRouter not existed in conventional routes
+fix: 修复 remixRouter 在约定式路由下不存在问题
diff --git a/packages/runtime/plugin-runtime/src/router/runtime/plugin.node.tsx b/packages/runtime/plugin-runtime/src/router/runtime/plugin.node.tsx
index eebd8ba4255d..82cc0719bb98 100644
--- a/packages/runtime/plugin-runtime/src/router/runtime/plugin.node.tsx
+++ b/packages/runtime/plugin-runtime/src/router/runtime/plugin.node.tsx
@@ -162,11 +162,16 @@ export const routerPlugin = ({
         pickContext: ({ context, pickedContext }, next) => {
           const { remixRouter } = context;
 
+          // remixRouter is not existed in conventional routes
+          if (!remixRouter) {
+            return next({ context, pickedContext });
+          }
+
           // only export partial common API from remix-router
           const router = {
-            navigate: remixRouter!.navigate,
+            navigate: remixRouter.navigate,
             get location() {
-              return remixRouter!.state.location;
+              return remixRouter.state.location;
             },
           };