diff --git a/core/event_handler/EventHandler.cpp b/core/event_handler/EventHandler.cpp
index 23c45c2bdf..c3e979cd7e 100644
--- a/core/event_handler/EventHandler.cpp
+++ b/core/event_handler/EventHandler.cpp
@@ -363,7 +363,24 @@ LogFileReaderPtr ModifyHandler::CreateLogFileReaderPtr(const string& path,
                      "new log reader queue count", mNameReaderMap.size() + 1));
     }
     LogFileReaderPtrArray& readerArray = mNameReaderMap[name];
-    if (readerArray.size() >= readerConfig.first->mRotatorQueueSize) {
+
+    LOG_INFO(sLogger,
+             ("start to create log reader, project",
+              readerConfig.second->GetProjectName())("logstore", readerConfig.second->GetLogstoreName())(
+                 "config", readerConfig.second->GetConfigName())("log reader queue name", PathJoin(path, name))(
+                 "file device", ToString(devInode.dev))("file inode", ToString(devInode.inode)));
+
+    LogFileReaderPtr readerPtr(LogFileReader::CreateLogFileReader(path,
+                                                                  name,
+                                                                  devInode,
+                                                                  readerConfig,
+                                                                  multilineConfig,
+                                                                  discoveryConfig,
+                                                                  exactlyonceConcurrency,
+                                                                  forceBeginingFlag));
+
+    if (readerArray.size() >= readerConfig.first->mRotatorQueueSize
+        && readerPtr->GetIdxInReaderArrayFromLastCpt() == -1) {
         int32_t nowTime = time(NULL);
         if (nowTime - mLastOverflowErrorTime > INT32_FLAG(rotate_overflow_error_interval)) {
             mLastOverflowErrorTime = nowTime;
@@ -386,23 +403,24 @@ LogFileReaderPtr ModifyHandler::CreateLogFileReaderPtr(const string& path,
         return LogFileReaderPtr();
     }
 
-    LOG_INFO(sLogger,
-             ("start to create log reader, project",
-              readerConfig.second->GetProjectName())("logstore", readerConfig.second->GetLogstoreName())(
-                 "config", readerConfig.second->GetConfigName())("log reader queue name", PathJoin(path, name))(
-                 "file device", ToString(devInode.dev))("file inode", ToString(devInode.inode)));
-
-    LogFileReaderPtr readerPtr(LogFileReader::CreateLogFileReader(path,
-                                                                  name,
-                                                                  devInode,
-                                                                  readerConfig,
-                                                                  multilineConfig,
-                                                                  discoveryConfig,
-                                                                  exactlyonceConcurrency,
-                                                                  forceBeginingFlag));
     if (readerPtr.get() == NULL)
         return LogFileReaderPtr();
 
+    // new log
+    bool backFlag = false;
+    if (readerPtr->GetRealLogPath().empty() || readerPtr->GetRealLogPath() == readerPtr->GetHostLogPath()) {
+        backFlag = true;
+        // if reader is a new file(not from checkpoint), and file is rotate file, reset file pos
+        if (readerArray.size() > 0 && !readerPtr->IsFromCheckPoint()) {
+            LOG_DEBUG(sLogger, ("file rotate, reset new reader pos", PathJoin(path, name)));
+            readerPtr->ResetLastFilePos();
+        }
+    } else {
+        backFlag = false;
+        // rotate log, push front
+        LOG_DEBUG(sLogger, ("rotator log, push front", readerPtr->GetRealLogPath()));
+    }
+
     // need check skip flag first and if flag is false then open fd
     if (!readerPtr->NeedSkipFirstModify()) {
         if (!readerPtr->UpdateFilePtr()) {
@@ -436,19 +454,10 @@ LogFileReaderPtr ModifyHandler::CreateLogFileReaderPtr(const string& path,
 
     int32_t idx = readerPtr->GetIdxInReaderArrayFromLastCpt();
     // new reader
-    if (idx == -1) {
-        if (!(readerPtr->GetRealLogPath().empty() || readerPtr->GetRealLogPath() == readerPtr->GetHostLogPath())) {
-            LOG_ERROR(sLogger,
-                      ("unexpected real log path", readerPtr->GetRealLogPath())("host log path",
-                                                                                readerPtr->GetHostLogPath()));
-        }
-        // if reader is a new file(not from checkpoint), and file is rotate file, reset file pos
-        if (readerArray.size() > 0 && !readerPtr->IsFromCheckPoint()) {
-            LOG_DEBUG(sLogger, ("file rotate, reset new reader pos", PathJoin(path, name)));
-            readerPtr->ResetLastFilePos();
-        }
+    if (backFlag) {
         readerArray.push_back(readerPtr);
         mDevInodeReaderMap[devInode] = readerPtr;
+        readerPtr->SetReaderArray(&readerArray);
         // reader not in reader array
     } else if (idx == -2) {
         mRotatorReaderMap[devInode] = readerPtr;
@@ -457,13 +466,13 @@ LogFileReaderPtr ModifyHandler::CreateLogFileReaderPtr(const string& path,
         readerArray.push_back(readerPtr);
         mDevInodeReaderMap[devInode] = readerPtr;
         std::sort(readerArray.begin(), readerArray.end(), ModifyHandler::CompareReaderByIdxFromCpt);
+        readerPtr->SetReaderArray(&readerArray);
     } else {
         LOG_ERROR(sLogger,
                   ("unexpected idx", idx)("real log path", readerPtr->GetRealLogPath())("host log path",
                                                                                         readerPtr->GetHostLogPath()));
         return LogFileReaderPtr();
     }
-    readerPtr->SetReaderArray(&readerArray);
 
     LOG_INFO(sLogger,
              ("log reader creation succeed",