diff --git a/test/case52/src/testcase52.c b/test/case52/src/testcase52.c
index 4a20747..fe9c23d 100755
--- a/test/case52/src/testcase52.c
+++ b/test/case52/src/testcase52.c
@@ -189,7 +189,7 @@ void *handleUdpTransmission(void *arg)
     printf("[while(1)]:/*************************************/\n");
     while (1)
     {
-        printf("[slot]:%u \n", slot_ind_flag);
+        // printf("[slot]:%u \n", slot_ind_flag);
         if (1 == slot_ind_flag)
         {