diff --git a/services/cert_manager_standard/cert_manager_engine/main/core/include/cert_manager_service.h b/services/cert_manager_standard/cert_manager_engine/main/core/include/cert_manager_service.h
index 8a505acebdaa67cbaf5f5d4fdd07ffac6b49b31d..7bc8b85871c6f4252aea2cd62cb5bf4dceeb2b81 100755
--- a/services/cert_manager_standard/cert_manager_engine/main/core/include/cert_manager_service.h
+++ b/services/cert_manager_standard/cert_manager_engine/main/core/include/cert_manager_service.h
@@ -24,7 +24,7 @@
 extern "C" {
 #endif
 
-int32_t CmServicInstallAppCert(
+int32_t CmServiceInstallAppCert(
     struct CmContext *context, const struct CmAppCertParam *certParam, struct CmBlob *keyUri);
 
 int32_t CmServiceGetAppCert(const struct CmContext *context, uint32_t store,
diff --git a/services/cert_manager_standard/cert_manager_engine/main/core/src/cert_manager_service.c b/services/cert_manager_standard/cert_manager_engine/main/core/src/cert_manager_service.c
index 217bbc64f9877f375089abefd4991cd42202d63e..0c54de46de1d88b54a125c3420a797414fc775c4 100644
--- a/services/cert_manager_standard/cert_manager_engine/main/core/src/cert_manager_service.c
+++ b/services/cert_manager_standard/cert_manager_engine/main/core/src/cert_manager_service.c
@@ -67,7 +67,7 @@ static int32_t CheckPermission(bool needPriPermission, bool needCommonPermission
     return CM_SUCCESS;
 }
 
-int32_t CmServicInstallAppCert(struct CmContext *context, const struct CmAppCertParam *certParam, struct CmBlob *keyUri)
+int32_t CmServiceInstallAppCert(struct CmContext *context, const struct CmAppCertParam *certParam, struct CmBlob *keyUri)
 {
     int32_t ret = CmServiceInstallAppCertCheck(certParam, context);
     if (ret != CM_SUCCESS) {
diff --git a/services/cert_manager_standard/cert_manager_service/main/os_dependency/idl/cm_ipc/cm_ipc_service.c b/services/cert_manager_standard/cert_manager_service/main/os_dependency/idl/cm_ipc/cm_ipc_service.c
index 4996b7878f0459f773f106fd24d0f634ff4e8d91..501a7d72f967a7ae699e305795e4d2047c974324 100644
--- a/services/cert_manager_standard/cert_manager_service/main/os_dependency/idl/cm_ipc/cm_ipc_service.c
+++ b/services/cert_manager_standard/cert_manager_service/main/os_dependency/idl/cm_ipc/cm_ipc_service.c
@@ -246,7 +246,7 @@ void CmIpcServiceInstallAppCert(const struct CmBlob *paramSetBlob, struct CmBlob
         oriContext.uid = cmContext.uid;
 
         struct CmAppCertParam certParam = { &appCert, &appCertPwd, &certAlias, store, userId, level };
-        ret = CmServicInstallAppCert(&cmContext, &certParam, outData);
+        ret = CmServiceInstallAppCert(&cmContext, &certParam, outData);
         if (ret != CM_SUCCESS) {
             CM_LOG_E("service install app cert failed, ret = %d", ret);
             break;