diff --git a/services/hilogd/log_compress.cpp b/services/hilogd/log_compress.cpp
index 1860f6b9c8e4b5ebd5dc553f4530ad3a4812a1af..d3eb74eac0b45d6e359fa7ca442af8e8e68bcf2a 100644
--- a/services/hilogd/log_compress.cpp
+++ b/services/hilogd/log_compress.cpp
@@ -34,9 +34,11 @@ void LogCompress::DeleteZData()
 
 int NoneCompress::Compress(LogPersisterBuffer* &buffer, LogPersisterBuffer* &compressBuffer)
 {
-    if (memcpy_s(compressBuffer->content, compressBuffer->offset, buffer->content, buffer->offset) != 0) {
+    if (memcpy_s(compressBuffer->content + compressBuffer->offset, MAX_PERSISTER_BUFFER_SIZE - compressBuffer->offset,
+        buffer->content, buffer->offset) != 0) {
         return -1;
     }
+    compressBuffer->offset += buffer->offset;
     return 0;
 }
 
diff --git a/services/hilogd/log_querier.cpp b/services/hilogd/log_querier.cpp
index a3fee3fc1496e7fae5671ae1da1fe3a2ac346eba..f6d8393015110187f7a198ded7c0ecf474febc33 100644
--- a/services/hilogd/log_querier.cpp
+++ b/services/hilogd/log_querier.cpp
@@ -106,10 +106,15 @@ int JobLauncher(const LogPersistStartMsg& pMsg, const HilogBuffer& buffer, bool
         persister.reset();
         return persistRes;
     }
-    if (saveInfoRes == RET_FAIL || rotatorRes == RET_FAIL) {
-        cout << "LogPersister failed to initialize!" << endl;
+    if (rotatorRes != 0) {
+        cout << "failed to open info file!" << endl;
+        persister.reset();
+        return rotatorRes;
+    }
+    if (saveInfoRes != 0) {
+        cout << "Failed to save persister file path!" << endl;
         persister.reset();
-        return RET_FAIL;
+        return saveInfoRes;
     } 
     if (!restore) rotator->WriteRecoveryInfo();
     persister->Start();
diff --git a/services/hilogtool/main.cpp b/services/hilogtool/main.cpp
index 9d3c0eb4e9449ab7790e8417aa7170a93e6df68d..f0d9bd6cf369394b1e0249d9ccf900ac711b31de 100644
--- a/services/hilogtool/main.cpp
+++ b/services/hilogtool/main.cpp
@@ -510,6 +510,7 @@ int HilogEntry(int argc, char* argv[])
             } else if (context.logFileCtrlArgs == "query") {
                 ret = LogPersistOp(controller, MC_REQ_LOG_PERSIST_QUERY, &logPersistParam);
             } else {
+                cout << "Invalid log persist parameter" << endl;
                 exit(-1);
             }
             if (ret == RET_FAIL) {