diff --git a/user/config/config.c b/user/config/config.c
index 56594c5..557e626 100644
--- a/user/config/config.c
+++ b/user/config/config.c
@@ -55,13 +55,18 @@ int rov_config_write_json_to_file(cJSON *params)
         fp = fopen(CONFIG_FILE_PATH, "wt+");
         if(fp == NULL)
         {
-            log_e("error in open config file");
+            log_e("error in creating config file");
             free(temp);
             return -1;
         }
     }
     if (fputs(temp, fp) < 0)   //写入文件
+    {
         log_e("error in fputs config file");
+        fclose(fp);
+        free(temp);
+        return -1;
+    }
 
     fclose(fp);
     free(temp);
diff --git a/user/main.c b/user/main.c
index 27d977f..e1b8c88 100644
--- a/user/main.c
+++ b/user/main.c
@@ -4,14 +4,14 @@
 #include <unistd.h>
 #include <sys/stat.h>
 
-extern void rov_init(int debug_mode);
-extern void rov_deinit(void);
-extern void rov_loop(void);
+extern void uvm_init(int debug_mode);
+extern void uvm_deinit(void);
+extern void uvm_loop(void);
 
-static void exit_rov(int sig)
+static void exit_uvm(int sig)
 {
     printf("info: closing uv-master app...\n");
-    rov_deinit();
+    uvm_deinit();
     exit(0);
 }
 
@@ -23,7 +23,7 @@ int main(int argc, char **argv)
         exit(0);
     }
 
-    signal(SIGINT, exit_rov);
+    signal(SIGINT, exit_uvm);
 
     char * debug_env = getenv("UV_DEBUG");
     if (debug_env == NULL) {
@@ -37,9 +37,9 @@ int main(int argc, char **argv)
             close(STDOUT_FILENO);
             close(STDERR_FILENO);;
 
-            rov_init(0);
+            uvm_init(0);
             for (;;) {
-                rov_loop();
+                uvm_loop();
             }
         }
     } else {
@@ -50,9 +50,9 @@ int main(int argc, char **argv)
                 " \\___/  \\_/   \\/    \\/\\__,_|___/\\__\\___|_|   \n"
                 "                                             \n");
         printf("info: starting uv-master app...\n");
-        rov_init(1);
+        uvm_init(1);
         for (;;) {
-            rov_loop();
+            uvm_loop();
         }
     }
 
diff --git a/user/main_app.c b/user/main_app.c
index 4ed873a..6149d9b 100644
--- a/user/main_app.c
+++ b/user/main_app.c
@@ -2,7 +2,7 @@
 // Created by fxf on 23-9-2.
 //
 
-#define LOG_TAG "rov.main"
+#define LOG_TAG "uvm.main"
 
 #include <elog.h>
 #include <stdlib.h>
@@ -12,22 +12,22 @@
 #include "config/config.h"
 #include "control/control.h"
 
-rov_info_t rovInfo;
+rov_info_t uvmInfo;
 
 /**
- * @brief 停止rov服务
+ * @brief 停止uvm服务
  */
-void rov_deinit()
+void uvm_deinit()
 {
     jsonrpc_server_stop();
-    rov_device_stop(&rovInfo);
+    rov_device_stop(&uvmInfo);
 }
 
 /**
- * @brief rov初始化
+ * @brief uvm初始化
  * @param debug_mode 调试模式
  */
-void rov_init(bool debug_mode)
+void uvm_init(bool debug_mode)
 {
     if (debug_mode == true)
     {
@@ -44,26 +44,26 @@ void rov_init(bool debug_mode)
         elog_start();
     }
 
-    if (rov_config_init(&rovInfo) < 0)
+    if (rov_config_init(&uvmInfo) < 0)
         exit(-1);
 
-    if (jsonrpc_server_run(&rovInfo) < 0)
+    if (jsonrpc_server_run(&uvmInfo) < 0)
         exit(-1);
 
-    if (rov_device_run(&rovInfo) < 0)
+    if (rov_device_run(&uvmInfo) < 0)
     {
         jsonrpc_server_stop();
         exit(-1);
     }
 
-    if (rov_control_run(&rovInfo) < 0)
+    if (rov_control_run(&uvmInfo) < 0)
     {
-        rov_deinit();
+        uvm_deinit();
         exit(-1);
     }
 }
 
-void rov_loop()
+void uvm_loop()
 {
     sleep(1);
 }