diff --git a/cli/src/ns.c b/cli/src/ns.c
index 3f4fb3eb5f23eaeeb363fc32d989a578edeaf169..215389e89446216fd5f12b4a663502619e05a11c 100644
--- a/cli/src/ns.c
+++ b/cli/src/ns.c
@@ -28,8 +28,8 @@ int GetNsPath(const long pid, const char *nsType, char *buf, const size_t bufSiz
     if ((nsType == NULL) || (buf == NULL)) {
         return -1;
     }
-    static const char *fmtStr = "/proc/%d/ns/%s";
-    return sprintf_s(buf, bufSize, fmtStr, pid, nsType);
+    static const char *FMT_STR = "/proc/%d/ns/%s";
+    return sprintf_s(buf, bufSize, FMT_STR, pid, nsType);
 }
 
 int GetSelfNsPath(const char *nsType, char *buf, const size_t bufSize)
@@ -37,8 +37,8 @@ int GetSelfNsPath(const char *nsType, char *buf, const size_t bufSize)
     if ((nsType == NULL) || (buf == NULL)) {
         return -1;
     }
-    static const char *fmtStr = "/proc/self/ns/%s";
-    return sprintf_s(buf, bufSize, fmtStr, nsType);
+    static const char *FMT_STR = "/proc/self/ns/%s";
+    return sprintf_s(buf, bufSize, FMT_STR, nsType);
 }
 
 int EnterNsByFd(int fd, int nsType)
diff --git a/cli/src/options.c b/cli/src/options.c
index 4ea3f7d6e615369e0ba44d1f02ed6970b9fe3f4d..5b75b32b8c10c9cffc62fe3e886a4d9217d1b7f6 100644
--- a/cli/src/options.c
+++ b/cli/src/options.c
@@ -43,7 +43,7 @@ void ParseRuntimeOptions(const char *options)
     g_runtimeOptions.noDrv = false;
     g_runtimeOptions.isVirtual = false;
 
-    static const char *seperator = ",";
+    static const char *SEPERATOR = ",";
     char *runtimeOptions = strdup(options);
     if (runtimeOptions == NULL) {
         (void)fprintf(stderr, "strdup failed!\n");
@@ -52,9 +52,9 @@ void ParseRuntimeOptions(const char *options)
     char *context = NULL;
     char *token = NULL;
 
-    for (token = strtok_s(runtimeOptions, seperator, &context);
+    for (token = strtok_s(runtimeOptions, SEPERATOR, &context);
     token != NULL;
-    token = strtok_s(NULL, seperator, &context)) {
+    token = strtok_s(NULL, SEPERATOR, &context)) {
         for (int i = 0; g_optionNameFlagTable[i].name != NULL; i++) {
             if (strcmp((const char *)token, g_optionNameFlagTable[i].name) == 0) {
                 *g_optionNameFlagTable[i].flag = true;
diff --git a/cli/src/u_mount.c b/cli/src/u_mount.c
index 582f9f6e8261e4df219f0669ebba41c74c2452c7..509d0e3f6a3631080859278cbd8cc96dff83b82d 100644
--- a/cli/src/u_mount.c
+++ b/cli/src/u_mount.c
@@ -58,18 +58,18 @@ int Mount(const char *src, const char *dst)
         return -1;
     }
 
-    static const unsigned long mountFlags = MS_BIND;
-    static const unsigned long remountFlags = MS_BIND | MS_REMOUNT | MS_RDONLY | MS_NOSUID;
+    static const unsigned long MOUNT_FLAGS = MS_BIND;
+    static const unsigned long REMOUNT_FLAGS = MS_BIND | MS_REMOUNT | MS_RDONLY | MS_NOSUID;
     if (!CheckSrcFile(src)) {
         return -1;
     }
-    int ret = mount(src, dst, NULL, mountFlags, NULL);
+    int ret = mount(src, dst, NULL, MOUNT_FLAGS, NULL);
     if (ret < 0) {
         Logger("failed to mount src.", LEVEL_ERROR, SCREEN_YES);
         return -1;
     }
 
-    ret = mount(NULL, dst, NULL, remountFlags, NULL);
+    ret = mount(NULL, dst, NULL, REMOUNT_FLAGS, NULL);
     if (ret < 0) {
         Logger("failed to re-mount. dst.", LEVEL_ERROR, SCREEN_YES);
         return -1;
diff --git a/runtime/dcmi/dcmi_interface_api.h b/runtime/dcmi/dcmi_interface_api.h
index 78dba9f2f0efce1d403959c2cbfbd9833ab1ba51..ae5dcdd4cbbe2cab15c13f31a96416c579bd8553 100644
--- a/runtime/dcmi/dcmi_interface_api.h
+++ b/runtime/dcmi/dcmi_interface_api.h
@@ -84,14 +84,14 @@ int DcmiGetDeviceLogicId(int *deviceLogicId, int cardId, int deviceId)
     CALL_FUNC(g_dcmiGetDeviceLogicIdFunc, deviceLogicId, cardId, deviceId);
 }
 
-int (*g_DcmiCreateVdeviceFunc)(int cardId, int deviceId,
-                                struct DcmiCreateVdevResStru *vdev,
-                                struct DcmiCreateVdevOut *out);
+int (*g_dcmiCreateVdeviceFunc)(int cardId, int deviceId,
+                               struct DcmiCreateVdevResStru *vdev,
+                               struct DcmiCreateVdevOut *out);
 int DcmiCreateVdevice(int cardId, int deviceId,
-                        struct DcmiCreateVdevResStru *vdev,
-                        struct DcmiCreateVdevOut *out)
+                      struct DcmiCreateVdevResStru *vdev,
+                      struct DcmiCreateVdevOut *out)
 {
-    CALL_FUNC(g_DcmiCreateVdeviceFunc, cardId, deviceId, vdev, out);
+    CALL_FUNC(g_dcmiCreateVdeviceFunc, cardId, deviceId, vdev, out);
 }
 
 int (*g_dcmiSetDestroyVdeviceFunc)(int cardId, int deviceId, unsigned int vDevid);
@@ -123,7 +123,7 @@ int DcmiInitDl(char *dlPath)
 {
     g_dcmiHandle = dlopen("libdcmi.so", RTLD_LAZY | RTLD_GLOBAL);
     if (g_dcmiHandle == NULL) {
-        fprintf (stderr, "%s\n", dlerror());
+        fprintf(stderr, "%s\n", dlerror());
         return SO_NOT_FOUND;
     }
     struct link_map *pLinkMap;
@@ -146,7 +146,7 @@ int DcmiInitDl(char *dlPath)
 
     g_dcmiGetDeviceLogicIdFunc = dlsym(g_dcmiHandle, "dcmi_get_device_logic_id");
 
-    g_DcmiCreateVdeviceFunc = dlsym(g_dcmiHandle, "dcmi_create_vdevice");
+    g_dcmiCreateVdeviceFunc = dlsym(g_dcmiHandle, "dcmi_create_vdevice");
 
     g_dcmiSetDestroyVdeviceFunc = dlsym(g_dcmiHandle, "dcmi_set_destroy_vdevice");