diff --git a/TSCP/src/MSCP/PFM/PFM_InputOutput.c b/TSCP/src/MSCP/PFM/PFM_InputOutput.c
index 19df851..ab930fa 100644
--- a/TSCP/src/MSCP/PFM/PFM_InputOutput.c
+++ b/TSCP/src/MSCP/PFM/PFM_InputOutput.c
@@ -718,8 +718,6 @@ void PFM_OutputProc(void)
     if (0x55u == g_PFM_Cfg.M_2x2_Enable)
     {
         /*- 输出阶段2x2处理 */
-        ret = SFM_2oo2_Exchange_Currency(check_2x2_Buf, check_2x2_Len, &check_2x2_Buf[check_2x2_Len], sizeof(check_2x2_Buf) - check_2x2_Len, ENUM_2oo2_OUTPUT_EX);
-        check_2x2_Len += ret;
         SFM_2x2_OutputProc(check_2x2_Buf, check_2x2_Len);
     }
     else
@@ -1021,6 +1019,7 @@ static CM_INT32 s_2x2OutputCheckFrame_Pack(OUT CM_UINT8 *buf, IN CM_UINT32 BufSi
     CM_UINT32 len = 0u;   /* 输出跟随报文长度 */
     CM_UINT32 crc = 0u;   /* 输出跟随报文CRC */
     CM_UINT32 sysCyc = SFM_2x2_GetSysCount(); /* 系统周期号 */
+    CM_UINT32 peerLen = 0u; /* 邻机输出校验报文长度 */
     /*- 入参检查*/
     CM_ASSERT(((4 + (g_2x2oo2_data_num * 8)) <= (CM_INT32)BufSize) && (NULL != buf), IN_OUT_MODE, DARK_FAULT_CODE_FUN_ORDER_7, TSCP_DARK_ASSERT_1);
 
@@ -1045,6 +1044,10 @@ static CM_INT32 s_2x2OutputCheckFrame_Pack(OUT CM_UINT8 *buf, IN CM_UINT32 BufSi
     		/*二取标志未使能*/
     	}
     }
+
+    peerLen = SFM_2oo2_Exchange_Currency(buf, i, &buf[i], BufSize - i, ENUM_2oo2_OUTPUT_EX);
+    CM_ASSERT(peerLen == i, IN_OUT_MODE, DARK_FAULT_CODE_FUN_ORDER_16, TSCP_DARK_ASSERT_17);
+    i += peerLen;
   
     /*- 返回输出校验报文长度 */
     return i;
diff --git a/TSCP/src/MSCP/SFM/SFM_2x2.c b/TSCP/src/MSCP/SFM/SFM_2x2.c
index a0f987b..d3b5fa8 100644
--- a/TSCP/src/MSCP/SFM/SFM_2x2.c
+++ b/TSCP/src/MSCP/SFM/SFM_2x2.c
@@ -4173,12 +4173,12 @@ static void s_2x2_BaseFollow_2oo2Check_Send(void)
 	CM_LongToChar(crc, mine_buf + 4u);
 	ret = SFM_2oo2_Exchange_Currency(mine_buf, 8u, peer_buf, 8u, ENUM_2oo2_INPUT_EX);
 	/*- 计算对机跟随数据的CRC值 */
-	CM_RE_ASSERT(ret == 8, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_19, TSCP_DARK_ASSERT_1);
+	CM_RE_ASSERT(ret == 8, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_23, TSCP_DARK_ASSERT_1);
 	/*- 比较本机和对机跟随数据的CRC值 */
 	if(0 != CM_Memcmp(mine_buf, peer_buf, (CM_SIZE_T)8u))
 	{
 		MSCP_LOG_DATALEN(g_TxBaseFollow, g_TxBaseFollow_len, "PFM_InputProc g_TxBaseFollow_len");
-		CM_RE_ASSERT(0, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_19, TSCP_DARK_ASSERT_2);
+		CM_RE_ASSERT(0, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_23, TSCP_DARK_ASSERT_2);
 	}
 	/*- 比较成功，填入CRC后发送 */
 	if(g_TxBaseFollow_len <= (sizeof(g_TxBaseFollow) - 4u))
@@ -4225,7 +4225,7 @@ static void s_2x2_AppFollow_SyncCheck(void)
 		{
 			MSCP_LOG_MSG("APPFOLLOW CRC cmp is fail 1\n");
 			s_2x2_Ctrl.AppFollowCmpFlag = 1u;
-			CM_RE_ASSERT(0, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_21, TSCP_DARK_ASSERT_1);
+			CM_RE_ASSERT(0, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_24, TSCP_DARK_ASSERT_1);
 		}
 	}
 	/* 主系双CPU的CRC一致 但与备系本机不一致 比较失败*/
@@ -4259,9 +4259,9 @@ static void s_2x2_Output_SyncCheck(IN const CM_UINT8 *CheckBuf, CM_INT32 CheckLe
 	CM_UINT32 singleCheckLen = CheckLen / 2u;	/* checkbuf记录了两个CPU的校验信息，长度的一半为单个CPU校验数据长度 */
 	static CM_UINT32 error_tolerate = 1u;
     /*- 入参检查 */
-    CM_ASSERT(NULL != CheckBuf, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_20, TSCP_DARK_ASSERT_1);
+    CM_ASSERT(NULL != CheckBuf, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_25, TSCP_DARK_ASSERT_1);
 	/* 接收的校验数据长度校验 */
-	CM_RE_ASSERT(CheckLen == s_2x2_Ctrl.RxCheckLen, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_20, TSCP_DARK_ASSERT_2);
+	CM_RE_ASSERT(CheckLen == s_2x2_Ctrl.RxCheckLen, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_25, TSCP_DARK_ASSERT_2);
 	/* 比较接收的主系校验帧中，主系的两个CPU的CRC，记录结果ret_p1p2 */
 	ret_p1p2 = CM_Memcmp((const void*)s_2x2_Ctrl.RxCheckFrame, (const void*)&s_2x2_Ctrl.RxCheckFrame[singleCheckLen], (CM_SIZE_T)singleCheckLen);
 	/* 比较备系本机与主系某一个CPU的CRC，记录结果ret_m1p1 */
@@ -4349,7 +4349,7 @@ static void s_2x2_Output_SyncCheck(IN const CM_UINT8 *CheckBuf, CM_INT32 CheckLe
         }
 		if(ENUM_2x2_SLAVE == s_2x2_Ctrl.LocalState)
 		{
-			CM_RE_ASSERT(0, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_20, TSCP_DARK_ASSERT_3);
+			CM_RE_ASSERT(0, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_25, TSCP_DARK_ASSERT_3);
 		}
 	}
 }
@@ -4381,22 +4381,22 @@ static void s_2x2_BaseFollow_Sync(void)
 		offset = 0u;
 		len_prtcl = CM_LongFromChar((void*)&g_RxBaseFollow[offset]);
 		offset += 4u;
-		CM_RE_ASSERT(len_prtcl <= ((CM_UINT32)g_RxBaseFollow_len - 4u), SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_22, TSCP_DARK_ASSERT_1);
+		CM_RE_ASSERT(len_prtcl <= ((CM_UINT32)g_RxBaseFollow_len - 4u), SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_26, TSCP_DARK_ASSERT_1);
 		SFM_SetPrtclFollowData((void*)&g_RxBaseFollow[offset]);
 		offset += len_prtcl;
 
 		/*- sfp协议数据跟随*/
 		len_sfprtcl = CM_LongFromChar((void*)&g_RxBaseFollow[offset]);
 		offset += 4u;
-		CM_RE_ASSERT(len_prtcl + len_sfprtcl <= ((CM_UINT32)g_RxBaseFollow_len - 8u), SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_22, TSCP_DARK_ASSERT_2);
+		CM_RE_ASSERT(len_prtcl + len_sfprtcl <= ((CM_UINT32)g_RxBaseFollow_len - 8u), SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_26, TSCP_DARK_ASSERT_2);
 		SFM_SetSfpPrtclFollowData(len_sfprtcl, (void*)&g_RxBaseFollow[offset]);
 		offset += len_sfprtcl;
 
 		/*- 平台数据跟随*/
 		len_pfm = CM_LongFromChar((void*)&g_RxBaseFollow[offset]);
 		offset += 4u;
-		CM_RE_ASSERT(len_pfm == ((CM_UINT32)g_RxBaseFollow_len - len_prtcl - len_sfprtcl - 12u), SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_22, TSCP_DARK_ASSERT_3);
-		CM_RE_ASSERT(len_pfm == BASE_FOLLOW_DATA_LEN, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_22, TSCP_DARK_ASSERT_4);
+		CM_RE_ASSERT(len_pfm == ((CM_UINT32)g_RxBaseFollow_len - len_prtcl - len_sfprtcl - 12u), SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_26, TSCP_DARK_ASSERT_3);
+		CM_RE_ASSERT(len_pfm == BASE_FOLLOW_DATA_LEN, SFM_2x2_MODE, DARK_FAULT_CODE_FUN_ORDER_26, TSCP_DARK_ASSERT_4);
 	}
 	/*此处使用临时周期号接收,在周期末同步*/
 	offset = (CM_UINT32)g_RxBaseFollow_len - BASE_FOLLOW_ALL_LEN;