diff --git a/src/msg_transfer/Makefile b/cmd/open_im_msg_transfer/Makefile
similarity index 100%
rename from src/msg_transfer/Makefile
rename to cmd/open_im_msg_transfer/Makefile
diff --git a/src/msg_transfer/open_im_msg_transfer.go b/cmd/open_im_msg_transfer/main.go
similarity index 75%
rename from src/msg_transfer/open_im_msg_transfer.go
rename to cmd/open_im_msg_transfer/main.go
index 0a3775113..c5487de26 100644
--- a/src/msg_transfer/open_im_msg_transfer.go
+++ b/cmd/open_im_msg_transfer/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"Open_IM/src/msg_transfer/logic"
+	"Open_IM/internal/msg_transfer/logic"
 	"sync"
 )
 
diff --git a/src/msg_transfer/logic/db.go b/internal/msg_transfer/logic/db.go
similarity index 100%
rename from src/msg_transfer/logic/db.go
rename to internal/msg_transfer/logic/db.go
diff --git a/src/msg_transfer/logic/history_msg_handler.go b/internal/msg_transfer/logic/history_msg_handler.go
similarity index 100%
rename from src/msg_transfer/logic/history_msg_handler.go
rename to internal/msg_transfer/logic/history_msg_handler.go
diff --git a/src/msg_transfer/logic/init.go b/internal/msg_transfer/logic/init.go
similarity index 100%
rename from src/msg_transfer/logic/init.go
rename to internal/msg_transfer/logic/init.go
diff --git a/src/msg_transfer/logic/persistent_msg_handler.go b/internal/msg_transfer/logic/persistent_msg_handler.go
similarity index 100%
rename from src/msg_transfer/logic/persistent_msg_handler.go
rename to internal/msg_transfer/logic/persistent_msg_handler.go