diff --git a/src/sf_global.c b/src/sf_global.c
index 29f2180..2cef752 100644
--- a/src/sf_global.c
+++ b/src/sf_global.c
@@ -104,7 +104,7 @@ static int load_network_parameters(IniFullContext *ini_ctx,
         g_sf_global_vars.max_buff_size = g_sf_global_vars.max_pkg_size;
     } else {
         g_sf_global_vars.min_buff_size = iniGetByteCorrectValueEx(ini_ctx,
-            "min_buff_size", SF_DEF_MIN_BUFF_SIZE, 1, 8192,
+            "min_buff_size", SF_DEF_MIN_BUFF_SIZE, 1, 4096,
             SF_MAX_NETWORK_BUFF_SIZE, true);
         g_sf_global_vars.max_buff_size = iniGetByteCorrectValueEx(ini_ctx,
             "max_buff_size", SF_DEF_MAX_BUFF_SIZE, 1, 8192,
diff --git a/src/sf_service.h b/src/sf_service.h
index b5470cb..892edc3 100644
--- a/src/sf_service.h
+++ b/src/sf_service.h
@@ -50,17 +50,17 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
         thread_loop_callback, accept_done_callback, set_body_length_func, \
         deal_func, task_cleanup_func, timeout_callback, net_timeout_ms,   \
         proto_header_size, task_arg_size) \
-    sf_service_init_ex2(sf_context, name, alloc_thread_extra_data_callback, \
-        thread_loop_callback, accept_done_callback, set_body_length_func,   \
-        deal_func, task_cleanup_func, timeout_callback, net_timeout_ms,     \
+    sf_service_init_ex2(sf_context, name, alloc_thread_extra_data_callback,   \
+        thread_loop_callback, accept_done_callback, set_body_length_func,     \
+        NULL, deal_func, task_cleanup_func, timeout_callback, net_timeout_ms, \
         proto_header_size, task_arg_size, NULL, NULL)
 
 #define sf_service_init(name, alloc_thread_extra_data_callback, \
         thread_loop_callback, accept_done_callback, set_body_length_func, \
         deal_func, task_cleanup_func, timeout_callback, net_timeout_ms,   \
         proto_header_size, task_arg_size) \
-    sf_service_init_ex2(&g_sf_context, name, alloc_thread_extra_data_callback, \
-        thread_loop_callback, accept_done_callback, set_body_length_func, \
+    sf_service_init_ex2(&g_sf_context, name, alloc_thread_extra_data_callback,  \
+        thread_loop_callback, accept_done_callback, set_body_length_func, NULL, \
         deal_func, task_cleanup_func, timeout_callback, net_timeout_ms,   \
         proto_header_size, task_arg_size, NULL, NULL)
 
diff --git a/src/sf_shared_mbuffer.h b/src/sf_shared_mbuffer.h
index 809d549..6632c9a 100644
--- a/src/sf_shared_mbuffer.h
+++ b/src/sf_shared_mbuffer.h
@@ -70,13 +70,16 @@ static inline SFSharedMBuffer *sf_shared_mbuffer_alloc_ex(
         fc_sleep_ms(sleep_ms);
     }
 
-    logInfo("file: "__FILE__", line: %d, "
-            "alloc shared buffer: %p, buff: %p",
-            __LINE__, buffer, buffer->buff);
-
     if (init_reffer_count > 0) {
         __sync_add_and_fetch(&buffer->reffer_count, init_reffer_count);
     }
+
+    /*
+    logInfo("file: "__FILE__", line: %d, "
+            "alloc shared buffer: %p, buff: %p, reffer_count: %d",
+            __LINE__, buffer, buffer->buff, __sync_add_and_fetch(&buffer->reffer_count, 0));
+            */
+
     return buffer;
 }
 
@@ -88,8 +91,10 @@ static inline void sf_shared_mbuffer_hold(SFSharedMBuffer *buffer)
 static inline void sf_shared_mbuffer_release(SFSharedMBuffer *buffer)
 {
     if (__sync_sub_and_fetch(&buffer->reffer_count, 1) == 0) {
+        /*
         logInfo("file: "__FILE__", line: %d, "
                 "free shared buffer: %p", __LINE__, buffer);
+                */
         fast_allocator_free(&buffer->ctx->allocator, buffer);
     }
 }