diff --git a/services/param/base/param_comm.c b/services/param/base/param_comm.c
index 0675447fa48bbba0ca6fd13cd4cdb0febc5aa5d3..28327b51afd673a6fed9d81a658a570d05552469 100644
--- a/services/param/base/param_comm.c
+++ b/services/param/base/param_comm.c
@@ -30,6 +30,7 @@ INIT_LOCAL_API int GenerateKeyHasCode(const char *buff, size_t len)
 
 INIT_LOCAL_API ParamHandle GetParamHandle(const WorkSpace *workSpace, uint32_t index, const char *name)
 {
+    (void)name;
     PARAM_CHECK(workSpace != NULL && workSpace->area != NULL, return -1, "Invalid param");
     uint32_t hashCode = (uint32_t)GenerateKeyHasCode(workSpace->fileName, strlen(workSpace->fileName));
     uint32_t handle = (hashCode % HASH_BUTT) << 24; // 24 left shift
@@ -168,6 +169,7 @@ INIT_LOCAL_API uint8_t GetParamValueType(const char *name)
 
 static int CheckParamValueType(const char *name, const char *value, uint8_t paramType)
 {
+    (void)name;
     if (paramType == PARAM_TYPE_INT) {
         long long int temp1 = 0;
         if (strlen(value) > 1 && value[0] == '-' && StringToLL(value, &temp1) != 0) {
diff --git a/services/param/liteos/param_client.c b/services/param/liteos/param_client.c
index bf17c5597890e836cbcdcbf7d2b5041355fa827c..cb7c8f01c56d3d16fb3fada71a30f7a0aec43455 100644
--- a/services/param/liteos/param_client.c
+++ b/services/param/liteos/param_client.c
@@ -117,6 +117,7 @@ int SystemWaitParameter(const char *name, const char *value, int32_t timeout)
 
 int WatchParamCheck(const char *keyprefix)
 {
+    (void)keyprefix;
     return PARAM_CODE_NOT_SUPPORT;
 }
 
diff --git a/services/param/liteos/param_litedac.c b/services/param/liteos/param_litedac.c
index 29ed5552003efbf99b31be75101bdfe78685d290..327f05aa16823a5ca4e2377b59a57cb9115bca59 100644
--- a/services/param/liteos/param_litedac.c
+++ b/services/param/liteos/param_litedac.c
@@ -34,6 +34,7 @@ static int InitLocalSecurityLabel(ParamSecurityLabel *security, int isInit)
 
 static int FreeLocalSecurityLabel(ParamSecurityLabel *srcLabel)
 {
+    (void)srcLabel;
     return 0;
 }
 
diff --git a/services/param/liteos/param_service.c b/services/param/liteos/param_service.c
index b393ad8ed72f00fe4547602672d67a9eaf045c7e..55453030c5a0c755642e8070c842d6bee73b55ee 100644
--- a/services/param/liteos/param_service.c
+++ b/services/param/liteos/param_service.c
@@ -122,7 +122,6 @@ int SystemWriteParam(const char *name, const char *value)
 
 static void ParamServiceTask(int *arg)
 {
-    char buffer[10] = {0};
     (void)arg;
     PARAM_LOGI("ParamServiceTask start");
     while (1) {