diff --git a/services/call_manager_service/src/call_manager_service.cpp b/services/call_manager_service/src/call_manager_service.cpp
index 81fb8180b415143255470376a4fbf8e3997eaa98..c05913637235ffa51ada4e5d293fd0e91ff7276f 100644
--- a/services/call_manager_service/src/call_manager_service.cpp
+++ b/services/call_manager_service/src/call_manager_service.cpp
@@ -245,7 +245,7 @@ int32_t CallManagerService::RegisterCallBack(const sptr<ICallAbilityCallback> &c
     }
     if (!TelephonyPermission::CheckPermission(OHOS_PERMISSION_SET_TELEPHONY_STATE) &&
         !TelephonyPermission::CheckPermission(OHOS_PERMISSION_GET_TELEPHONY_STATE)) {
-        TELEPHONY_LOGD("Permission denied.");
+        TELEPHONY_LOGE("Permission denied.");
         return TELEPHONY_ERR_PERMISSION_ERR;
     }
     return DelayedSingleton<CallAbilityReportProxy>::GetInstance()->RegisterCallBack(callback, GetBundleInfo());
diff --git a/services/call_manager_service/src/call_manager_service_stub.cpp b/services/call_manager_service/src/call_manager_service_stub.cpp
index ac2c82a2b2b78e72350fd8dabc32211871a92fbc..e15490b51f04ad82fd9db3ce15ee499687c884c4 100644
--- a/services/call_manager_service/src/call_manager_service_stub.cpp
+++ b/services/call_manager_service/src/call_manager_service_stub.cpp
@@ -303,6 +303,7 @@ int32_t CallManagerServiceStub::OnRemoteRequest(
 
 int32_t CallManagerServiceStub::OnRegisterCallBack(MessageParcel &data, MessageParcel &reply)
 {
+    TELEPHONY_LOGI("OnRegisterCallBack entry");
     int32_t result = TELEPHONY_ERR_FAIL;
     sptr<IRemoteObject> remote = data.ReadRemoteObject();
     if (remote == nullptr) {
@@ -1427,7 +1428,6 @@ int32_t CallManagerServiceStub::SetTimer(uint32_t code)
         auto TimerCallback = [collieStr](void *) {
             TELEPHONY_LOGE("OnRemoteRequest timeout func: %{public}s",
                 collieStr.c_str());
-            exit(1);
         };
         idTimer = HiviewDFX::XCollie::GetInstance().SetTimer(
             collieName, XCOLLIE_TIMEOUT_SECONDS, TimerCallback, nullptr, flag);