diff --git a/source/libs/sync/src/syncAppendEntries.c b/source/libs/sync/src/syncAppendEntries.c
index 50c66172dae28b18ad7b269dab6187eaead1e00a..4295abeaa1a9eb3b4f0ac448a2c286da13f8a778 100644
--- a/source/libs/sync/src/syncAppendEntries.c
+++ b/source/libs/sync/src/syncAppendEntries.c
@@ -473,13 +473,13 @@ static bool syncNodeOnAppendEntriesBatchLogOK(SSyncNode* pSyncNode, SyncAppendEn
 
   SyncIndex myLastIndex = syncNodeGetLastIndex(pSyncNode);
   if (pMsg->prevLogIndex > myLastIndex) {
-    sDebug("vgId:%d sync log not ok, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
+    sDebug("vgId:%d, sync log not ok, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
     return false;
   }
 
   SyncTerm myPreLogTerm = syncNodeGetPreTerm(pSyncNode, pMsg->prevLogIndex + 1);
   if (myPreLogTerm == SYNC_TERM_INVALID) {
-    sDebug("vgId:%d sync log not ok2, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
+    sDebug("vgId:%d, sync log not ok2, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
     return false;
   }
 
@@ -487,7 +487,7 @@ static bool syncNodeOnAppendEntriesBatchLogOK(SSyncNode* pSyncNode, SyncAppendEn
     return true;
   }
 
-  sDebug("vgId:%d sync log not ok3, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
+  sDebug("vgId:%d, sync log not ok3, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
   return false;
 }
 
@@ -500,13 +500,13 @@ static bool syncNodeOnAppendEntriesLogOK(SSyncNode* pSyncNode, SyncAppendEntries
 
   SyncIndex myLastIndex = syncNodeGetLastIndex(pSyncNode);
   if (pMsg->prevLogIndex > myLastIndex) {
-    sDebug("vgId:%d sync log not ok, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
+    sDebug("vgId:%d, sync log not ok, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
     return false;
   }
 
   SyncTerm myPreLogTerm = syncNodeGetPreTerm(pSyncNode, pMsg->prevLogIndex + 1);
   if (myPreLogTerm == SYNC_TERM_INVALID) {
-    sDebug("vgId:%d sync log not ok2, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
+    sDebug("vgId:%d, sync log not ok2, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
     return false;
   }
 
@@ -514,7 +514,7 @@ static bool syncNodeOnAppendEntriesLogOK(SSyncNode* pSyncNode, SyncAppendEntries
     return true;
   }
 
-  sDebug("vgId:%d sync log not ok3, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
+  sDebug("vgId:%d, sync log not ok3, preindex:%" PRId64, pSyncNode->vgId, pMsg->prevLogIndex);
   return false;
 }
 
diff --git a/source/libs/sync/test/sh/a.sh b/source/libs/sync/test/sh/a.sh
new file mode 100644
index 0000000000000000000000000000000000000000..b2d8f88809a0c0c2547fea350e282d117a8f5f60
--- /dev/null
+++ b/source/libs/sync/test/sh/a.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+if [ $# != 1 ] ; then
+	echo "Uasge: $0 log-path"
+	echo ""
+	exit 1
+fi
+
+logpath=$1
+echo "logpath: ${logpath}"
+
+echo ""
+echo "clean old log ..."
+rm -f ${logpath}/log.*
+
+echo ""
+echo "generate log.dnode ..."
+for dnode in `ls ${logpath} | grep dnode`;do
+	echo "generate log.${dnode}"
+	cat ${logpath}/${dnode}/log/taosdlog.* | grep SYN > ${logpath}/log.${dnode}
+done
+
+echo ""
+echo "generate vgId ..."
+cat ${logpath}/log.dnode* | grep "vgId:" | grep -v ERROR | awk '{print $5}' | sort | uniq > ${logpath}/log.vgIds.tmp
+echo "all vgIds:" > ${logpath}/log.vgIds
+cat ${logpath}/log.dnode* | grep "vgId:" | grep -v ERROR | awk '{print $5}' | sort | uniq >> ${logpath}/log.vgIds
+for dnode in `ls ${logpath} | grep dnode | grep -v log`;do
+	echo "" >> ${logpath}/log.vgIds
+	echo "" >> ${logpath}/log.vgIds
+	echo "${dnode}:" >> ${logpath}/log.vgIds
+	cat ${logpath}/${dnode}/log/taosdlog.* | grep SYN | grep "vgId:" | grep -v ERROR | awk '{print $5}' | sort | uniq >> ${logpath}/log.vgIds 
+done
+
+echo ""
+echo "generate log.dnode.vgId ..."
+for logdnode in `ls ${logpath}/log.dnode*`;do
+	for vgId in `cat ${logpath}/log.vgIds.tmp`;do
+		rowNum=`cat ${logdnode} | grep "${vgId}" | awk 'BEGIN{rowNum=0}{rowNum++}END{print rowNum}'`
+		#echo "-----${rowNum}"
+		if [ $rowNum -gt 0 ] ; then
+			echo "generate ${logdnode}.${vgId}"
+			cat ${logdnode} | grep "${vgId}" > ${logdnode}.${vgId}
+		fi
+	done
+done
+
+echo ""
+echo "generate log.dnode.main ..."
+for file in `ls ${logpath}/log.dnode* | grep -v vgId`;do
+	echo "generate ${file}.main"
+	cat ${file} | awk '{ if(index($0, "sync open") > 0 || index($0, "sync close") > 0 || index($0, "become leader") > 0) {print $0} }' > ${file}.main
+done
+
+
+
+
+exit 0