diff --git a/test/case52/src/testcase52.c b/test/case52/src/testcase52.c
index aafe09b..05c8bf4 100755
--- a/test/case52/src/testcase52.c
+++ b/test/case52/src/testcase52.c
@@ -189,7 +189,6 @@ void *handleUdpTransmission(void *arg)
     printf("[while(1)]:/*************************************/\n");
     while (1)
     {
-        printf("[slot]:%u \n", slot_ind_flag);
         if (1 == slot_ind_flag)
         {
             
@@ -216,7 +215,7 @@ void *handleUdpTransmission(void *arg)
             uint8_t block_n = 0;
             if (w_idx == r_idx){
                 printf("[while(1)]: w_idx = %hhu, r_idx = %hhu\n", w_idx, r_idx);
-                printf("[while(1)]: 空\n"); 
+                printf("[while(1)]: pass\n"); 
             } else {
                 if (r_idx < w_idx) {
                     printf("[while(1)]: w_idx = %hhu, r_idx = %hhu\n", w_idx, r_idx);