diff --git a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
index 99539fd21..b0f60ce24 100755
--- a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
+++ b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.c
@@ -364,7 +364,7 @@ SF_ST_MMC_DEV *SF_StrgCheckWorkableDev(void)
 static int sfStrgOnActionSendCurrentDev(SF_ST_MMC_DEV *pMMCDev)
 {
 	SF_MESSAGE_BUF_S stMessageBuf = {0};
-	stMessageBuf.arg1 = SF_SYS_STRG_DEV_MSG;
+	stMessageBuf.arg1 = CMD_SD_STRG_WORKABLE_DEV;
 	stMessageBuf.arg2 = pMMCDev->dev_type;
 	stMessageBuf.arg3 = pMMCDev->moumted_state;
 	stMessageBuf.cmdId = CMD_SD;
diff --git a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.h b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.h
index f2636d139..f254c6b40 100755
--- a/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.h
+++ b/code/application/source/cardv/SrcCode/System/SF_SysStrgMng.h
@@ -34,8 +34,6 @@
 
 #define USE_MMC_DEV_CHECK	(1)
 
-#define SF_SYS_STRG_DEV_MSG (7)
-
 
 typedef enum
 {