diff --git a/test/case52/src/testcase52.c b/test/case52/src/testcase52.c
index f0685eb..0cce524 100755
--- a/test/case52/src/testcase52.c
+++ b/test/case52/src/testcase52.c
@@ -191,7 +191,7 @@ void *handleUdpTransmission(void *arg)
         {
             slot_ind_flag = 0; 
             /************************************************************************************** */
-            // wr 16016*64(byte) [8008] 2字节复制，一次while循环会写入 1/64 的数据，触发条件为slot_ind_flag
+            // wr 16016*64(byte) [8008] 2字节复制，一次while循环会写入 1/20 的数据，触发条件为slot_ind_flag
             size_t buffer_start = data_index;// 当前数据读取的起始索引
             size_t elements_remaining = 65535 - buffer_start;// 从buffer_start到数组末尾的剩余元素数
             size_t elements_to_copy = (elements_remaining >= 8008) ? 8008 : elements_remaining; // 剩余
@@ -240,7 +240,7 @@ void *handleUdpTransmission(void *arg)
                     }
                     // 更新r_idx,如果到头 
                     r_idx = r_idx % 8;
-                } else { 
+                } else { //r_idx > w_idx
                     printf("[while(1)]: w_idx < r_idx\n"); 
                     printf("[while(1)]: w_idx = %hhu, r_idx = %hhu\n", w_idx, r_idx);
                     // 取完末尾
@@ -585,7 +585,7 @@ int32_t test_case(uint32_t argc, int32_t* argvp)
     // int32_t ret;
 	uint8_t scs_id = 1; // NR 30K // 0; // NR 15K
 	uint8_t cell_id = 0; //0xFF;
-    uint32_t run_ape = 0x11; 
+    uint32_t run_ape = 0x11;    //0x11
 	// uint32_t run_ape = 0x1; // 0;
 	uint8_t frame_type = 0; // fdd
     cell_setup_simulation(scs_id, cell_id, run_ape, frame_type);