diff --git a/.vscode/launch.json b/.vscode/launch.json
deleted file mode 100644
index f980ab9..0000000
--- a/.vscode/launch.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-    // 使用 IntelliSense 了解相关属性。 
-    // 悬停以查看现有属性的描述。
-    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": []
-}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 964e7d2..c9ee9c3 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -13,6 +13,16 @@
         "erpc_core.h": "c",
         "type_traits": "c",
         "list": "c",
-        "list.h": "c"
-    }
+        "list.h": "c",
+        "array": "c",
+        "string": "c",
+        "string_view": "c"
+    },
+    "makefile.launchConfigurations": [
+        {
+            "cwd": "d:\\WORK\\erpc",
+            "binaryPath": "d:\\WORK\\erpc\\port_self.exe",
+            "binaryArgs": []
+        }
+    ]
 }
\ No newline at end of file
diff --git a/erpc_core.c b/erpc_core.c
index fa0db9d..570de48 100644
--- a/erpc_core.c
+++ b/erpc_core.c
@@ -132,6 +132,7 @@ u32 erpc_send(u8 hw, u8 dest_id, u16 port, u8 *data, u16 len)
   {
     if (hw_cfg->send_cache[i].state == ERPC_CMD_NO_ERROR)
     {
+      printf("find send cache %d\n", i);
       cache_ord = i;
       break;
     }
@@ -169,12 +170,28 @@ u32 erpc_send(u8 hw, u8 dest_id, u16 port, u8 *data, u16 len)
 
     wait_time--;
   }
-  CHECK_IF_ERROR(wait_time == 0, ERPC_ERR_SEND_TIMEOUT);
-  CHECK_IF_ERROR(hw_cfg->send_cache[cache_ord].state == ERPC_CMD_SEND_ONCE, ERPC_ERR_DEST_NO_RESPONSE);
-  CHECK_IF_ERROR(hw_cfg->send_cache[cache_ord].state == ERPC_CMD_SEND_REPEAT, ERPC_ERR_DEST_NO_RESPONSE);
-  return ERPC_NO_ERROR;
+  u32 ret = ERPC_NO_ERROR;
+  do
+  {
+      if(wait_time == 0){
+        ret = ERPC_ERR_SEND_TIMEOUT;
+        break;
+      }
+      if(hw_cfg->send_cache[cache_ord].state == ERPC_CMD_SEND_ONCE){
+        ret = ERPC_ERR_DEST_NO_RESPONSE;
+        break;
+      }
+      if(hw_cfg->send_cache[cache_ord].state == ERPC_CMD_SEND_REPEAT){
+        ret = ERPC_ERR_DEST_NO_RESPONSE;
+        break;
+      }
+  } while (0);
+  hw_cfg->send_cache[cache_ord].state = ERPC_CMD_NO_ERROR;
+  return ret;
 }
 
+
+
 u32 erpc_send_data(erpc_hw_cfg_t *hw)
 {
   for (int i = 0; i < MAX_SEND_CMD_CACHE_NUM; i++)
@@ -314,6 +331,7 @@ u32 erpc_set_rev_cahce(u8 hw, u8 *data, u16 len)
   {
     if (hw_cfg->rec_cache[i].state == ERPC_CMD_NO_ERROR)
     {
+      printf("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;
@@ -352,6 +370,7 @@ void erpc_rev_deal_core()
 
     for (int j = 0; j < MAX_REC_CMD_CACHE_NUM; j++)
     {
+      // 发现等待处理的数据包
       if (hw->rec_cache[j].state == ERPC_CMD_WAIT_TASK_DEAL)
       {
         // 多线程处理
@@ -368,30 +387,32 @@ void erpc_rev_deal_core()
           continue;
         }
         hw->deal_unlock();
-
-        list_t *list = &hw->cmd_list;
+        // 搜索指令列表
+        list_t *cmd_list = &hw->cmd_list;
         // 链表是空的
-        if (list->data == NULL)
+        if (cmd_list->data == NULL)
         {
           continue;
         }
-        while (list != NULL)
+        while (cmd_list != NULL)
         {
-          erpc_cmd_list_t *cmd_list = (erpc_cmd_list_t *)list->data;
+          erpc_cmd_list_t *cmd_obj = (erpc_cmd_list_t *)cmd_list->data;
           erpc_cmd_def_t *cmd_def = (erpc_cmd_def_t *)hw->rec_cache[j].data;
-          if (cmd_list->cmd == cmd_def->head.port)
+          if (cmd_obj->cmd == cmd_def->head.port)
           {
-            if (cmd_list->handle != NULL)
+            if (cmd_obj->handle != NULL)
             {
               // 指令调用
-              cmd_list->handle(hw->ord, cmd_def->head.src_id, cmd_def->head.dest_id, cmd_def->head.port, cmd_def->data, cmd_def->head.msg_len);
+              cmd_obj->handle(hw->ord, cmd_def->head.src_id, cmd_def->head.dest_id, cmd_def->head.port, cmd_def->data, cmd_def->head.msg_len);
             }
             // 处理完成 丢弃缓存
             hw->rec_cache[j].state = ERPC_CMD_NO_ERROR;
           }
+          cmd_list = cmd_list->next;
         }
       }
     }
+    list = list->next;
   }
   if (erpc_sleep_tick != NULL)
   {
diff --git a/erpc_core.h b/erpc_core.h
index cfbe330..a32907d 100644
--- a/erpc_core.h
+++ b/erpc_core.h
@@ -46,17 +46,17 @@ typedef struct erpc_cmd_def_t
 #define MAX_SEND_CMD_CACHE_NUM 10                   // 最大发送指令缓存数量，发送指令优先级>接收指令优先级
 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_WAIT_TASK_DEAL,   // 等待任务线程处理指令
+  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_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
-  ERPC_CMD_SEND_ONCE,        // 发送指令成功
-  ERPC_CMD_SEND_REPEAT,      // 发送指令重发
-  ERPC_CMD_SEND_OK,          // 发送指令成功
-  ERPC_CMD_DEST_BUSY,        // 目标设备忙
-}erpc_status;
+  ERPC_CMD_WAIT_SEND,             // 等待服务线程处理发送cache
+  ERPC_CMD_SEND_ONCE,             // 发送指令成功
+  ERPC_CMD_SEND_REPEAT,           // 发送指令重发
+  ERPC_CMD_SEND_OK,               // 发送指令成功
+  ERPC_CMD_DEST_BUSY,             // 目标设备忙
+} erpc_status;
 
 typedef struct erpc_data_cache_t
 {
@@ -71,7 +71,11 @@ typedef struct erpc_cmd_list_t
   u16 cmd;
   u32 (*handle)(u8 hw, u8 src_id, u8 dest_id, u16 port, u8 *data, u16 len);
 } erpc_cmd_list_t;
-
+typedef enum ERPC_ROLE
+{
+  ERPC_ROLE_MASTER,
+  ERPC_ROLE_SLAVE,
+} ERPC_ROLE;
 typedef struct erpc_hw_cfg_t
 {
   u8 ord;
@@ -91,7 +95,12 @@ typedef struct erpc_hw_cfg_t
   {                                      \
     return error;                        \
   }
-
+#define CHECK_IF_ERROR_AND_DO(condition, error, action) \
+  if (condition)                                        \
+  {                                                     \
+    action;                                             \
+    return error;                                       \
+  }
 typedef enum erpc_error
 {
   ERPC_NO_ERROR = 0,
@@ -101,25 +110,21 @@ typedef enum erpc_error
   ERPC_ERR_HW_SEND_FAIL, // 硬件层发来的错误 erpc_hw_cfg_t.write返回错误
   ERPC_ERR_DEST_BUSY,
   ERPC_ERR_DEST_NO_RESPONSE, // 目标设备无响应
-  ERPC_ERR_MALLOC_ERROR, // malloc失败,内存不足
-  ERPC_ERR_HW_EXIST, // 硬件已经存在
-  ERPC_ERR_HW_NOT_EXIST, // 硬件不存在
-  ERPC_ERR_REC_CACHE_FULL, // 接收缓存满
-}erpc_error;
+  ERPC_ERR_MALLOC_ERROR,     // malloc失败,内存不足
+  ERPC_ERR_HW_EXIST,         // 硬件已经存在
+  ERPC_ERR_HW_NOT_EXIST,     // 硬件不存在
+  ERPC_ERR_REC_CACHE_FULL,   // 接收缓存满
+} erpc_error;
 typedef void (*erpc_sleep)(u32 tick);
 
-
-void erpc_send_deal_core(); // 发送指令处理线程
+void erpc_send_deal_core();                       // 发送指令处理线程
 u32 erpc_set_rev_cahce(u8 hw, u8 *data, u16 len); // 写入接受缓存
-void erpc_rev_package_core(); // 处理接受到的包，通讯层面处理
-void erpc_rev_deal_core();  // 处理接受到的指令，业务层面处理
+void erpc_rev_package_core();                     // 处理接受到的包，通讯层面处理
+void erpc_rev_deal_core();                        // 处理接受到的指令，业务层面处理
 extern erpc_sleep erpc_sleep_tick;
 
-
-
 u32 erpc_hw_add(erpc_hw_cfg_t *hw);
 u32 erpc_add_cmd_list(erpc_hw_cfg_t *hw, erpc_cmd_list_t *cmd_list);
 
-
 u32 erpc_send(u8 hw, u8 dest_id, u16 port, u8 *data, u16 len);
 #endif /* ERPC_CORE_H_ */
\ No newline at end of file
diff --git a/erpc_core.o b/erpc_core.o
index afdbadc..d9d50ac 100644
Binary files a/erpc_core.o and b/erpc_core.o differ
diff --git a/makefile b/makefile
index 9460005..61c0a50 100644
--- a/makefile
+++ b/makefile
@@ -15,13 +15,13 @@ SRCS = erpc_core.c \
 OBJS = $(SRCS:.c=.o)
 
 # 可执行文件
-TARGET = port_self.exe
+Target = port_self.exe
 
 # 默认目标
-all: $(TARGET)
+all: $(Target)
 
 # 链接目标
-$(TARGET): $(OBJS)
+$(Target): $(OBJS)
 	$(CC) -o $@ $^
 
 # 编译源文件
diff --git a/port_self.c b/port_self.c
index adc5278..7ccedb9 100644
--- a/port_self.c
+++ b/port_self.c
@@ -80,6 +80,8 @@ DWORD WINAPI rev_task(LPVOID lpParam)
 
     while (1)
     {
+        // printf("rev_task\n");
+        erpc_rev_package_core();
         erpc_rev_deal_core();
     }
 }
@@ -89,8 +91,8 @@ DWORD WINAPI test_task(LPVOID lpParam)
     printf("test_task\n");
     while (1)
     {
-        printf("[test_task]send\n");
-        u32 ret =  erpc_send(self_hw_cfg.ord, self_hw_cfg.local_id, 0x01, NULL, 0);
+        // printf("[test_task]send\n");
+        u32 ret = erpc_send(self_hw_cfg.ord, self_hw_cfg.local_id, 0x01, NULL, 0);
         printf("[test_task]send ret:%d\n", ret);
         sys_sleep(1000);
     }
@@ -129,5 +131,6 @@ int main(int argc, char *argv[])
     WaitForSingleObject(threadHandle[2], INFINITE);
     CloseHandle(threadHandle[0]);
     CloseHandle(threadHandle[1]);
+    CloseHandle(threadHandle[2]);
     return 0;
 }
\ No newline at end of file
diff --git a/port_self.exe b/port_self.exe
index 3894270..0ea715d 100644
Binary files a/port_self.exe and b/port_self.exe differ
diff --git a/port_self.o b/port_self.o
index 5b4f9b4..ed6933e 100644
Binary files a/port_self.o and b/port_self.o differ