diff --git a/frameworks/datatransmitmgr/dev_slinfo_list.c b/frameworks/datatransmitmgr/dev_slinfo_list.c
index 165d744f25b754024a7c38bed5bacf7a7e213629..0b8086e21bdc3298ff39de924f9ec6b5dfb27e69 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_list.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_list.c
@@ -14,8 +14,10 @@
  */
 
 #include "dev_slinfo_list.h"
+
 #include <pthread.h>
 #include "securec.h"
+
 #include "dev_slinfo_adpt.h"
 #include "dev_slinfo_log.h"
 
@@ -153,8 +155,7 @@ void LookupCallback(struct DATASLListParams *list, DEVSLQueryParams *queryParams
 
 int32_t InitPthreadMutex(void)
 {
-    int32_t ret;
-    ret = pthread_mutex_init(&g_mutex, NULL);
+    int32_t ret = pthread_mutex_init(&g_mutex, NULL);
     return ret;
 }