diff --git a/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp b/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp
index dec020fc2b619e50412e942f7cad11ae646e3404..65056e146f532dbe8071bd9007c74957f6c25980 100644
--- a/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp
+++ b/services/implementation/src/authentication_v2/auth_stages/auth_credential.cpp
@@ -16,6 +16,7 @@
 #include <iomanip>
 #include <iostream>
 #include <sstream>
+#include "dm_anonymous.h"
 #include "dm_auth_context.h"
 #include "dm_auth_manager_base.h"
 #include "dm_auth_message_processor.h"
@@ -269,8 +270,12 @@ std::string AuthCredentialAgreeState::CreateAuthParamsString(DmAuthScope authori
     }
     jsonObj[TAG_CREDENTIAL_OWNER] = DM_AUTH_CREDENTIAL_OWNER;
 
-    LOGI("AuthCredentialAgreeState::CreateAuthParamsString leave.");
-    return jsonObj.Dump();
+    std::string param(jsonObj.Dump());
+    JsonObject jsonObjLog(param);
+    jsonObjLog[TAG_LOWER_DEVICE_ID] = GetAnonyString(jsonObj[TAG_LOWER_DEVICE_ID].Get<std::string>());
+    jsonObjLog[TAG_KEY_VALUE] = GetAnonyString(jsonObj[TAG_KEY_VALUE].Get<std::string>());
+    LOGI("AuthCredentialAgreeState::CreateAuthParamsString leave, param: %{public}s.", jsonObjLog.Dump().c_str());
+    return param;
 }
 
 // Generate credential ID and public key
@@ -310,8 +315,8 @@ int32_t AuthCredentialAgreeState::GenerateCredIdAndPublicKey(DmAuthScope authori
     (void)authContext->SetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope, credId);
     (void)authContext->SetPublicKey(DM_AUTH_LOCAL_SIDE, authorizedScope, publicKey);
     LOGI("AuthCredentialAgreeState::GenerateCredIdAndPublicKey credId=%{public}s, publicKey=%{public}s.\n",
-        authContext->GetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope).c_str(),
-        authContext->GetPublicKey(DM_AUTH_LOCAL_SIDE, authorizedScope).c_str());
+        GetAnonyString(authContext->GetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope)).c_str(),
+        GetAnonyString(authContext->GetPublicKey(DM_AUTH_LOCAL_SIDE, authorizedScope)).c_str());
     LOGI("AuthCredentialAgreeState::GenerateCredIdAndPublicKey leave.");
     return DM_OK;
 }
@@ -336,8 +341,7 @@ int32_t AuthCredentialAgreeState::AgreeCredential(DmAuthScope authorizedScope,
         authContext->accesser.userId : authContext->accessee.userId;
     std::string selfCredId = authContext->GetCredentialId(DM_AUTH_LOCAL_SIDE, authorizedScope);
     std::string credId;
-    LOGI("AuthCredentialAgreeState::AgreeCredential agree with accountId %{public}d and param %{public}s.",
-        osAccountId, authParamsString.c_str());
+    LOGI("AuthCredentialAgreeState::AgreeCredential agree with accountId %{public}d.", osAccountId);
     int32_t ret = authContext->hiChainAuthConnector->AgreeCredential(osAccountId, selfCredId,
         authParamsString, credId);
     if (ret != DM_OK) {