diff --git a/core/connection/tcp/src/softbus_tcp_connect_manager.c b/core/connection/tcp/src/softbus_tcp_connect_manager.c
index feb43836aec6b237abf04e115cef22cd9507d514..90fa469fbb1fd9604c3381326c7439de8d165748 100644
--- a/core/connection/tcp/src/softbus_tcp_connect_manager.c
+++ b/core/connection/tcp/src/softbus_tcp_connect_manager.c
@@ -167,7 +167,7 @@ EXIT:
     return SOFTBUS_ERR;
 }
 
-static char *RecvData(const ConnPktHead *head, int32_t fd, int32_t len)
+static char *RecvData(const ConnPktHead *head, int32_t fd, uint32_t len)
 {
     uint32_t headSize = sizeof(ConnPktHead);
     ssize_t recvLen = 0;