diff --git a/lib_acl/src/stdlib/iostuff/acl_read_wait.c b/lib_acl/src/stdlib/iostuff/acl_read_wait.c
index 5d2ec0b22..fce650ac2 100644
--- a/lib_acl/src/stdlib/iostuff/acl_read_wait.c
+++ b/lib_acl/src/stdlib/iostuff/acl_read_wait.c
@@ -39,11 +39,9 @@ static EPOLL_CTX *main_epoll_ctx = NULL;
 
 static void main_epoll_end(void)
 {
-	const char *myname = "main_epoll_end";
-
 	if (main_epoll_ctx != NULL) {
 		acl_msg_info("%s(%d), %s: close epoll_fd: %d, tid: %lu, %lu",
-			__FILE__, __LINE__, myname, main_epoll_ctx->epfd,
+			__FILE__, __LINE__, __FUNCTION__, main_epoll_ctx->epfd,
 			(unsigned long) main_epoll_ctx->tid,
 			(unsigned long) acl_pthread_self());
 
@@ -59,11 +57,10 @@ static acl_pthread_once_t epoll_once = ACL_PTHREAD_ONCE_INIT;
 
 static void thread_epoll_end(void *ctx)
 {
-	const char *myname = "thread_epoll_end";
 	EPOLL_CTX *epoll_ctx = (EPOLL_CTX*) ctx;
 
 	acl_msg_info("%s(%d), %s: close epoll_fd: %d, tid: %lu, %lu",
-		__FILE__, __LINE__, myname, epoll_ctx->epfd,
+		__FILE__, __LINE__, __FUNCTION__, epoll_ctx->epfd,
 		(unsigned long) epoll_ctx->tid,
 		(unsigned long) acl_pthread_self());
 
@@ -80,7 +77,6 @@ static void thread_epoll_once(void)
 
 static EPOLL_CTX *thread_epoll_init(void)
 {
-	const char *myname = "thread_epoll_init";
 	EPOLL_CTX *epoll_ctx = (EPOLL_CTX*) acl_mymalloc(sizeof(EPOLL_CTX));
 
 	if (acl_pthread_setspecific(epoll_key, epoll_ctx) != 0)
@@ -90,7 +86,7 @@ static EPOLL_CTX *thread_epoll_init(void)
 	epoll_ctx->epfd = epoll_create(1);
 	if (epoll_ctx == NULL) {
 		acl_msg_error("%s(%d): epoll_create error: %s",
-			myname, __LINE__, acl_last_serror());
+			__FUNCTION__, __LINE__, acl_last_serror());
 		return NULL;
 	}
 
@@ -100,12 +96,12 @@ static EPOLL_CTX *thread_epoll_init(void)
 		atexit(main_epoll_end);
 #endif
 		acl_msg_info("%s(%d): %s, create epoll_fd: %d, tid: %lu, %lu",
-			__FILE__, __LINE__, myname, epoll_ctx->epfd,
+			__FILE__, __LINE__, __FUNCTION__, epoll_ctx->epfd,
 			(unsigned long) epoll_ctx->tid,
 			(unsigned long) acl_pthread_self());
 	} else {
 		acl_msg_info("%s(%d): %s, create epoll_fd: %d, tid: %lu, %lu",
-			__FILE__, __LINE__, myname, epoll_ctx->epfd,
+			__FILE__, __LINE__, __FUNCTION__, epoll_ctx->epfd,
 			(unsigned long) epoll_ctx->tid,
 			(unsigned long) acl_pthread_self());
 	}
@@ -115,13 +111,11 @@ static EPOLL_CTX *thread_epoll_init(void)
 
 static int thread_epoll_reopen(EPOLL_CTX *epoll_ctx)
 {
-	const char *myname = "thread_epoll_reopen";
-
 	close(epoll_ctx->epfd);
 	epoll_ctx->epfd = epoll_create(1);
 	if (epoll_ctx->epfd == -1) {
 		acl_msg_error("%s(%d): epoll_create error: %s",
-			myname, __LINE__, acl_last_serror());
+			__FUNCTION__, __LINE__, acl_last_serror());
 		return -1;
 	}
 	return 0;
@@ -129,7 +123,6 @@ static int thread_epoll_reopen(EPOLL_CTX *epoll_ctx)
 
 int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 {
-	const char *myname = "acl_read_epoll_wait";
 	int   ret, retried = 0;
 	EPOLL_CTX *epoll_ctx;
 	struct epoll_event ee, events[1];
@@ -143,7 +136,7 @@ int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 		epoll_ctx = thread_epoll_init();
 		if (epoll_ctx == NULL) {
 			acl_msg_error("%s(%d): thread_epoll_init error",
-				myname, __LINE__);
+				__FUNCTION__, __LINE__);
 			return -1;
 		}
 	}
@@ -175,7 +168,7 @@ int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 		}
 
 		acl_msg_error("%s(%d): epoll_ctl error: %s, fd: %d, "
-			"epfd: %d, tid: %lu, %lu", myname, __LINE__,
+			"epfd: %d, tid: %lu, %lu", __FUNCTION__, __LINE__,
 			acl_last_serror(), fd, epoll_ctx->epfd,
 			(unsigned long) epoll_ctx->tid,
 			(unsigned long) acl_pthread_self());
@@ -197,7 +190,7 @@ int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 				continue;
 			} else if (ret == EBADF || ret == EINTR) {
 				acl_msg_error("%s(%d): fd: %d, epfd: %d,"
-					" error: %s", myname, __LINE__, fd,
+					" error: %s", __FUNCTION__, __LINE__, fd,
 					epoll_ctx->epfd, acl_last_serror());
 
 				if (retried) {
@@ -214,7 +207,7 @@ int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 			}
 
 			acl_msg_error("%s(%d): epoll_wait error: %s, fd: %d,"
-				" epfd: %d, tid: %lu, %lu", myname, __LINE__,
+				" epfd: %d, tid: %lu, %lu", __FUNCTION__, __LINE__,
 				acl_last_serror(), fd, epoll_ctx->epfd,
 				(unsigned long) epoll_ctx->tid,
 				(unsigned long) acl_pthread_self());
@@ -224,7 +217,7 @@ int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 			/*
 			acl_msg_warn("%s(%d), %s: poll timeout: %s, fd: %d, "
 				"delay: %d, spent: %ld", __FILE__, __LINE__,
-				myname, acl_last_serror(), fd, delay,
+				__FUNCTION__, acl_last_serror(), fd, delay,
 				(long) (time(NULL) - begin));
 			*/
 			if (delay == 0) {
@@ -241,7 +234,7 @@ int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 		} else {
 			acl_msg_warn("%s(%d), %s: poll error: %s, fd: %d, "
 				"delay: %d, spent: %ld", __FILE__, __LINE__,
-				myname, acl_last_serror(), fd, delay,
+				__FUNCTION__, acl_last_serror(), fd, delay,
 				(long) (time(NULL) - begin));
 			ret = -1;
 		}
@@ -253,7 +246,7 @@ int acl_read_epoll_wait(ACL_SOCKET fd, int delay)
 	ee.data.fd = fd;
 	if (epoll_ctl(epoll_ctx->epfd, EPOLL_CTL_DEL, fd, &ee) == -1) {
 		acl_msg_error("%s(%d): epoll_ctl error: %s, fd: %d, epfd: %d,"
-			" tid: %lu, %lu", myname, __LINE__, acl_last_serror(),
+			" tid: %lu, %lu", __FUNCTION__, __LINE__, acl_last_serror(),
 			fd, epoll_ctx->epfd, (unsigned long) epoll_ctx->tid,
 			(unsigned long) acl_pthread_self());
 		return -1;
@@ -295,7 +288,6 @@ void acl_set_poll(acl_poll_fn fn)
 
 int acl_read_poll_wait(ACL_SOCKET fd, int delay)
 {
-	const char *myname = "acl_read_poll_wait";
 	struct pollfd fds;
 	time_t begin;
 	int left = delay;
@@ -341,7 +333,7 @@ int acl_read_poll_wait(ACL_SOCKET fd, int delay)
 			}
 			/*
 			acl_msg_error("%s(%d), %s: poll error(%s), fd: %d",
-				__FILE__, __LINE__, myname,
+				__FILE__, __LINE__, __FUNCTION__,
 				acl_last_serror(), (int) fd);
 			*/
 			return -1;
@@ -349,7 +341,7 @@ int acl_read_poll_wait(ACL_SOCKET fd, int delay)
 			/*
 			acl_msg_warn("%s(%d), %s: poll timeout: %s, fd: %d, "
 				"delay: %d, spent: %ld", __FILE__, __LINE__,
-				myname, acl_last_serror(), fd, delay,
+				__FUNCTION__, acl_last_serror(), fd, delay,
 				(long) (time(NULL) - begin));
 			*/
 			if (left > 0) {
@@ -369,7 +361,7 @@ int acl_read_poll_wait(ACL_SOCKET fd, int delay)
 			if (fds.revents & (POLLHUP | POLLERR | POLLNVAL)) {
 				acl_msg_warn("%s(%d), %s: poll error: %s, "
 					"fd: %d, delay: %d, spent: %ld",
-					__FILE__, __LINE__, myname,
+					__FILE__, __LINE__, __FUNCTION__ ,
 					acl_last_serror(), fd, delay,
 					(long) (time(NULL) - begin));
 				return 0;
@@ -377,7 +369,7 @@ int acl_read_poll_wait(ACL_SOCKET fd, int delay)
 
 			acl_msg_warn("%s(%d), %s: poll error: %s, fd: %d, "
 				"delay: %d, spent: %ld", __FILE__, __LINE__,
-				myname, acl_last_serror(), fd, delay,
+				__FUNCTION__, acl_last_serror(), fd, delay,
 				(long) (time(NULL) - begin));
 			return -1;
 		}
@@ -392,7 +384,6 @@ static HANDLE __handle = NULL;
 
 int acl_read_iocp_wait(ACL_SOCKET fd, int timeout)
 {
-	const char *myname = "acl_read_iocp_wait";
 	OVERLAPPED *overlapped, *lpOverlapped;
 	DWORD recvBytes;
 	BOOL isSuccess;
@@ -427,7 +418,7 @@ int acl_read_iocp_wait(ACL_SOCKET fd, int timeout)
 	if (ReadFile((HANDLE) fd, NULL, 0, &recvBytes, overlapped) == FALSE
 		  && acl_last_error() != ERROR_IO_PENDING) {
 		acl_msg_warn("%s(%d): ReadFile error(%s)",
-			myname, __LINE__, acl_last_serror());
+			__FUNCTION__, __LINE__, acl_last_serror());
 		return -1;
 	}
 
@@ -467,7 +458,6 @@ void acl_set_select(acl_select_fn fn)
 
 int acl_read_select_wait(ACL_SOCKET fd, int delay)
 {
-	const char *myname = "acl_read_select_wait";
 	fd_set  rfds, xfds;
 	struct timeval tv;
 	struct timeval *tp;
@@ -480,7 +470,7 @@ int acl_read_select_wait(ACL_SOCKET fd, int delay)
 #ifndef ACL_WINDOWS
 	if (FD_SETSIZE <= (unsigned) fd)
 		acl_msg_fatal("%s(%d), %s: descriptor %d does not fit "
-			"FD_SETSIZE %d", __FILE__, __LINE__, myname,
+			"FD_SETSIZE %d", __FILE__, __LINE__, __FUNCTION__,
 			(int) fd, FD_SETSIZE);
 #endif
 
@@ -528,14 +518,14 @@ int acl_read_select_wait(ACL_SOCKET fd, int delay)
 			}
 #endif
 			acl_msg_error("%s(%d), %s: select error(%s), fd: %d",
-				__FILE__, __LINE__, myname,
+				__FILE__, __LINE__, __FUNCTION__,
 				acl_last_serror(), (int) fd);
 			return -1;
 		case 0:
 			/*
 			acl_msg_warn("%s(%d), %s: poll timeout: %s, fd: %d, "
 				"timeout: %d, spent: %ld", __FILE__, __LINE__,
-				myname, acl_last_serror(), fd, timeout,
+				__FUNCTION__, acl_last_serror(), fd, timeout,
 				(long) (time(NULL) - begin));
 			*/
 			if (delay == 0) {
diff --git a/lib_protocol/src/http/http_chat_sync.c b/lib_protocol/src/http/http_chat_sync.c
index 80387cd5a..17124be11 100644
--- a/lib_protocol/src/http/http_chat_sync.c
+++ b/lib_protocol/src/http/http_chat_sync.c
@@ -88,7 +88,12 @@ static int hdr_ready(HTTP_HDR *hdr, const char *line, int dlen)
 
 static int hdr_get(HTTP_HDR *hdr, ACL_VSTREAM *stream, int timeout)
 {
+/* 当使用协程共享栈时，如果将此BUFF设的过大，会增大共享栈的空间大小，造成内存浪费 */
+#ifdef HTTP_READ_BUF8192
 	char  buf[8192];
+#else
+	char  buf[4912];
+#endif
 	int   ret;
 
 	stream->rw_timeout = timeout;