diff --git a/app/tiny_frame/by_tiny_frame_read.c b/app/tiny_frame/by_tiny_frame_master_read.c
similarity index 100%
rename from app/tiny_frame/by_tiny_frame_read.c
rename to app/tiny_frame/by_tiny_frame_master_read.c
diff --git a/app/tiny_frame/by_tiny_frame_master_read.h b/app/tiny_frame/by_tiny_frame_master_read.h
new file mode 100644
index 0000000..b0453bc
--- /dev/null
+++ b/app/tiny_frame/by_tiny_frame_master_read.h
@@ -0,0 +1,11 @@
+#ifndef _BY_TINY_FRAME_MASTER_READ_H__
+#define _BY_TINY_FRAME_MASTER_READ_H__
+
+#include "by_tiny_frame_config.h"
+
+#if defined(BY_TF_DEVICE_MASTER)
+
+#define BY_TINY_FRAME_WRITE_CMD_CODE (0x03) 
+
+#endif
+#endif
diff --git a/app/tiny_frame/by_tiny_frame_write.c b/app/tiny_frame/by_tiny_frame_master_write.c
similarity index 100%
rename from app/tiny_frame/by_tiny_frame_write.c
rename to app/tiny_frame/by_tiny_frame_master_write.c
diff --git a/app/tiny_frame/by_tiny_frame_write.h b/app/tiny_frame/by_tiny_frame_master_write.h
similarity index 77%
rename from app/tiny_frame/by_tiny_frame_write.h
rename to app/tiny_frame/by_tiny_frame_master_write.h
index 5a84cae..fd1499a 100644
--- a/app/tiny_frame/by_tiny_frame_write.h
+++ b/app/tiny_frame/by_tiny_frame_master_write.h
@@ -1,16 +1,18 @@
-#ifndef _BY_TINY_FRAME_WRITE_H__
-#define _BY_TINY_FRAME_WRITE_H__
+#ifndef _BY_TINY_FRAME_MASTER_WRITE_H__
+#define _BY_TINY_FRAME_MASTER_WRITE_H__
 
 #include "by_tiny_frame_config.h"
+
+#if defined(BY_TF_DEVICE_MASTER)
+
 #include "by_tiny_frame_parse.h"
 #include "by_tiny_frame_pack.h"
 
 #define BY_TINY_FRAME_WRITE_CMD_CODE (0x06) 
 
-#if defined(BY_TF_DEVICE_MASTER)
+
 extern void by_tiny_frame_write(uint8_t slave_id, uint16_t reg_addr, uint32_t data);
-#elif
+
 
 #endif
-
 #endif
diff --git a/app/tiny_frame/by_tiny_frame_read.h b/app/tiny_frame/by_tiny_frame_read.h
deleted file mode 100644
index ca4081f..0000000
--- a/app/tiny_frame/by_tiny_frame_read.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _BY_TINY_FRAME_READ_H__
-#define _BY_TINY_FRAME_READ_H__
-
-#define BY_TINY_FRAME_WRITE_CMD_CODE (0x03) 
-
-#endif
diff --git a/app/tiny_frame/by_tiny_frame_slave_read_write.c b/app/tiny_frame/by_tiny_frame_slave_read_write.c
new file mode 100644
index 0000000..f906eb5
--- /dev/null
+++ b/app/tiny_frame/by_tiny_frame_slave_read_write.c
@@ -0,0 +1,2 @@
+#include "by_tiny_frame_slave_read_write.h"
+
diff --git a/app/tiny_frame/by_tiny_frame_slave_read_write.h b/app/tiny_frame/by_tiny_frame_slave_read_write.h
new file mode 100644
index 0000000..35f790e
--- /dev/null
+++ b/app/tiny_frame/by_tiny_frame_slave_read_write.h
@@ -0,0 +1,12 @@
+#ifndef _BY_TINY_FRAME_SLAVE_READ_WRITE_H__
+#define _BY_TINY_FRAME_SLAVE_READ_WRITE_H__
+
+#include "by_tiny_frame_config.h"
+
+#if defined(BY_TF_DEVICE_SLAVE)
+
+#define BY_TINY_FRAME_WRITE_CMD_CODE (0x03) 
+#define BY_TINY_FRAME_WRITE_CMD_CODE (0x06)
+
+#endif
+#endif