diff --git a/build/crc16.o b/build/crc16.o
index 6e7fb7a..2af0e39 100644
Binary files a/build/crc16.o and b/build/crc16.o differ
diff --git a/build/erpc_core.o b/build/erpc_core.o
index 4ef1d04..bd19ae2 100644
Binary files a/build/erpc_core.o and b/build/erpc_core.o differ
diff --git a/build/port_self.o b/build/port_self.o
index 3ffa0f2..33c53e0 100644
Binary files a/build/port_self.o and b/build/port_self.o differ
diff --git a/erpc_core.c b/erpc_core.c
index 4a708ab..b2e0a95 100644
--- a/erpc_core.c
+++ b/erpc_core.c
@@ -131,7 +131,7 @@ u32 erpc_send_base(erpc_hw_cfg_t *hw_cfg, u8 dest_id, u16 port, u8 package_type,
   {
     if (hw_cfg->send_cache[i].state == ERPC_CMD_NO_ERROR)
     {
-      ERPC_DEBUG("find send cache %d\n", i);
+      // ERPC_DEBUG("find send cache %d\n", i);
       cache_ord = i;
       break;
     }
@@ -377,7 +377,18 @@ u32 erpc_rev_package(erpc_hw_cfg_t *hw)
   {
     if (hw->rec_cache[i].state == ERPC_CMD_WAIT_SERVER_DEAL)
     {
-      ERPC_DEBUG("find  cmd wait server deal %d\n", i);
+      hw->deal_lock();
+      if (hw->rec_cache[i].state == ERPC_CMD_WAIT_SERVER_DEAL)
+      {
+        hw->rec_cache[i].state = ERPC_CMD_SERVER_DEAL;
+      }
+      else
+      {
+        hw->deal_unlock();
+        continue;
+      }
+      hw->deal_unlock();
+      // ERPC_DEBUG("find  cmd wait server deal %d\n", i);
       erpc_cmd_def_t *cmd = (erpc_cmd_def_t *)&hw->rec_cache[i].data[0];
       // 检查crc
       u8 crc_result = cmd_check_crc16(cmd);
@@ -403,6 +414,7 @@ u32 erpc_rev_package(erpc_hw_cfg_t *hw)
         break;
       case PACKAGE_TYPE_CMD_REQ_ACK:
         ERPC_DEBUG("{ACK}\n");
+
         erpc_rev_ack_package(hw, cmd);
         hw->rec_cache[i].state = ERPC_CMD_NO_ERROR;
         break;
@@ -451,7 +463,7 @@ u32 erpc_set_rev_cahce(u8 hw, u8 *data, u16 len)
   {
     if (hw_cfg->rec_cache[i].state == ERPC_CMD_NO_ERROR)
     {
-      ERPC_DEBUG("set rev cache %d\r\n", i);
+      // ERPC_DEBUG("set rev cache %d\r\n", i);
       memcpy(hw_cfg->rec_cache[i].data, data, len);
       hw_cfg->rec_cache[i].state = ERPC_CMD_WAIT_SERVER_DEAL;
       return ERPC_NO_ERROR;
diff --git a/erpc_core.h b/erpc_core.h
index 07e1fc5..a8560b1 100644
--- a/erpc_core.h
+++ b/erpc_core.h
@@ -49,6 +49,7 @@ typedef enum erpc_status {
   ERPC_CMD_NO_ERROR,               // 发送cache，接收cache空闲
   ERPC_CMD_DATA_DEAL,              // 发送cache数据组织中
   ERPC_CMD_WAIT_SERVER_DEAL,       // 等待服务线程处理接受cache
+  ERPC_CMD_SERVER_DEAL,            // 服务线程处理接受cache
   ERPC_CMD_WAIT_TASK_DEAL,         // 等待任务线程处理指令
   ERPC_CMD_WAIT_TASK_DEAL_FINISH,  // 等待任务线程处理指令完成
   ERPC_CMD_WAIT_SEND,              // 等待服务线程处理发送cache
diff --git a/port_self.c b/port_self.c
index cc3b1bc..5c752d1 100644
--- a/port_self.c
+++ b/port_self.c
@@ -114,7 +114,19 @@ DWORD WINAPI send_task(LPVOID lpParam)
         erpc_send_deal_core();
     }
 }
-DWORD WINAPI rev_task(LPVOID lpParam)
+DWORD WINAPI rev_package_task(LPVOID lpParam)
+{
+    UNUSED(lpParam);
+
+    while (1)
+    {
+        // ERPC_DEBUG("rev_task\n");
+        erpc_rev_package_core();
+        erpc_rev_deal_core();
+    }
+}
+
+DWORD WINAPI rev_deal_task(LPVOID lpParam)
 {
     UNUSED(lpParam);
 
@@ -180,8 +192,8 @@ int main(int argc, char *argv[])
         return 1;
     }
     threadHandle[0] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)send_task, NULL, 0, NULL);
-    threadHandle[1] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)rev_task, NULL, 0, NULL);
-    threadHandle[3] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)rev_task, NULL, 0, NULL);
+    threadHandle[1] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)rev_package_task, NULL, 0, NULL);
+    threadHandle[3] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)rev_deal_task, NULL, 0, NULL);
     threadHandle[4] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)test_task, NULL, 0, NULL);
 
     WaitForSingleObject(threadHandle[0], INFINITE);
diff --git a/port_self.exe b/port_self.exe
index 3e587f7..d6c9988 100644
Binary files a/port_self.exe and b/port_self.exe differ