diff --git a/app/messenger.h b/app/messenger.h
index c3fc83c..4244c73 100644
--- a/app/messenger.h
+++ b/app/messenger.h
@@ -6,6 +6,7 @@
 #include <string.h>
 #include "driver/keyboard.h"
 
+#define ENABLE_MESSENGER
 #ifdef ENABLE_MESSENGER
 
 
@@ -21,7 +22,7 @@ typedef enum MsgStatus {
       RECEIVING,
 } MsgStatus;
 enum {
-    TX_MSG_LENGTH = 30,
+    TX_MSG_LENGTH = 192,
     MSG_HEADER_LENGTH = 20,
     MAX_RX_MSG_LENGTH = TX_MSG_LENGTH + 2
 };
diff --git a/app/uart.c b/app/uart.c
index c85ce16..e742cf0 100644
--- a/app/uart.c
+++ b/app/uart.c
@@ -260,6 +260,43 @@ static void CMD_0514(const uint8_t *pBuffer) {
 
     SendVersion();
 }
+#ifdef  ENABLE_MESSENGER
+static void CMD_0566(const uint8_t *pBuffer)//发短信
+{
+    typedef struct {//接收头0x0566、内容长度(2B），内容(最大192B)
+        Header_t Header;
+        uint8_t Data[192];
+    } CMD_0566_t;
+    const CMD_0566_t *pCmd = (const CMD_0566_t *) pBuffer;
+    gSerialConfigCountDown_500ms = 12; // 6 sec
+    send_message(pCmd->Data,pCmd->Header.Size);//发送短信
+    MSG_Send(pCmd->Data, false);
+
+    typedef struct {
+        Header_t Header;
+    } REPLY_0566_t;
+    REPLY_0566_t Reply;
+    Reply.Header.ID = 0x0567;
+    Reply.Header.Size = pCmd->Header.Size;
+    SendReply(&Reply, sizeof(Reply));//回应0x0567，短信长度
+}
+
+static void CMD_0588(const uint8_t *pBuffer,uint8_t p_size) {//收短信
+    typedef struct {//发送头0x0588、接受内容长度(2B），内容(最大192B)
+        Header_t Header;
+        struct {
+            uint8_t Data[192];
+        } Data;
+    } REPLY_0588_t;
+    REPLY_0588_t Reply;
+    Reply.Header.ID = 0x0588;
+    Reply.Header.Size =p_size;
+    memcpy( Reply.Data.Data,pBuffer,p_size);
+    SendReply(&Reply, p_size + 4);
+
+}
+
+#endif
 
 static void CMD_051B(const uint8_t *pBuffer) {
     const CMD_051B_t *pCmd = (const CMD_051B_t *) pBuffer;