diff --git a/src/channel.cc b/src/channel.cc
index 6e882bf..dc2feea 100644
--- a/src/channel.cc
+++ b/src/channel.cc
@@ -168,60 +168,3 @@ int channel_recv_nonblocking(Channel *ch, void **data)
     pthread_mutex_unlock(&ch->mutex);
     return 0;
 }
-
-// #include <stdio.h>
-// #include <stdlib.h>
-// #include <pthread.h>
-// #include "channel.h"
-
-// // 发送线程函数
-// void* sender(void *arg) {
-//     Channel *ch = (Channel*)arg;
-//     int i;
-//     for (i = 0; i < 5; i++) {
-//         int *data = (int*)malloc(sizeof(int));
-//         *data = i;
-//         if (channel_send_blocking(ch, data) == -1) {
-//             printf("Channel is closed, cannot send data.\n");
-//             free(data);
-//             break;
-//         }
-//         printf("Sent: %d\n", *data);
-//     }
-//     channel_close(ch);
-//     return NULL;
-// }
-
-// // 接收线程函数
-// void* receiver(void *arg) {
-//     Channel *ch = (Channel*)arg;
-//     void *data;
-//     while (1) {
-//         int ret = channel_recv_blocking(ch, &data);
-//         if (ret == -1) {
-//             printf("Channel is closed, no more data to receive.\n");
-//             break;
-//         }
-//         printf("Received: %d\n", *(int*)data);
-//         free(data);
-//     }
-//     return NULL;
-// }
-
-// int main() {
-//     Channel *ch = channel_create(3);
-//     if (ch == NULL) {
-//         printf("Failed to create channel.\n");
-//         return 1;
-//     }
-
-//     pthread_t sender_thread, receiver_thread;
-//     pthread_create(&sender_thread, NULL, sender, ch);
-//     pthread_create(&receiver_thread, NULL, receiver, ch);
-
-//     pthread_join(sender_thread, NULL);
-//     pthread_join(receiver_thread, NULL);
-
-//     channel_destroy(ch);
-//     return 0;
-// }
\ No newline at end of file