diff --git a/packages/connection/src/common/proxy.ts b/packages/connection/src/common/proxy.ts
index 6067e8fa10c..a6dc87f62d7 100644
--- a/packages/connection/src/common/proxy.ts
+++ b/packages/connection/src/common/proxy.ts
@@ -1,4 +1,4 @@
-import { MessageConnection } from '@opensumi/vscode-jsonrpc/lib/common/connection';
+import type { MessageConnection } from '@opensumi/vscode-jsonrpc/lib/common/connection';
 
 export abstract class RPCService<T = any> {
   rpcClient?: T[];