diff --git a/tests/script/coverage_test.sh b/tests/script/coverage_test.sh
new file mode 100755
index 0000000000000000000000000000000000000000..457c9eae20795d03cc0b63de7f81df68cb91d735
--- /dev/null
+++ b/tests/script/coverage_test.sh
@@ -0,0 +1,291 @@
+#!/bin/bash
+
+branch=
+if [ x$1 != x ];then
+        branch=$1
+        echo "Testing branch: $branch"
+else
+        echo "Please enter branch name as a parameter"
+        exit 1
+fi
+
+today=`date +"%Y%m%d"`
+TDENGINE_DIR=/root/pxiao/TDengine
+TDENGINE_COVERAGE_REPORT=$TDENGINE_DIR/tests/coverage-report-$today.log
+
+# Color setting
+RED='\033[0;31m'
+GREEN='\033[1;32m'
+GREEN_DARK='\033[0;32m'
+GREEN_UNDERLINE='\033[4;32m'
+NC='\033[0m'
+
+function buildTDengine {
+	echo "check if TDengine need build"
+	cd $TDENGINE_DIR
+  	git remote prune origin > /dev/null
+	git remote update > /dev/null
+	REMOTE_COMMIT=`git rev-parse --short remotes/origin/$branch`
+	LOCAL_COMMIT=`git rev-parse --short @`
+	echo " LOCAL: $LOCAL_COMMIT"
+	echo "REMOTE: $REMOTE_COMMIT"
+
+	# reset counter
+	lcov -d . --zerocounters
+
+
+	if [ "$LOCAL_COMMIT" == "$REMOTE_COMMIT" ]; then
+		echo "repo up-to-date"
+	else
+		echo "repo need to pull"
+	fi
+
+    	git reset --hard
+    	git checkout -- .
+    	git checkout $branch
+	git clean -dfx
+	git pull
+    	git submodule update --init --recursive -f
+ 	
+  	[ -d $TDENGINE_DIR/debug ] || mkdir $TDENGINE_DIR/debug
+  	cd $TDENGINE_DIR/debug
+
+    	echo "rebuild.."
+	LOCAL_COMMIT=`git rev-parse --short @`
+
+	rm -rf *
+	if [ "$branch" == "3.0" ]; then
+		echo "3.0 ============="
+		cmake -DCOVER=true -DBUILD_TEST=true .. 
+	else
+		cmake -DCOVER=true -DBUILD_TOOLS=true -DBUILD_HTTP=false .. > /dev/null
+	fi
+	make -j4
+	make install
+}
+
+function runGeneralCaseOneByOne {
+	while read -r line; do
+		if [[ $line =~ ^./test.sh* ]]; then
+			case=`echo $line | grep sim$ | awk '{print $NF}'`
+
+			if [ -n "$case" ]; then
+				date +%F\ %T | tee -a  $TDENGINE_COVERAGE_REPORT  && ./test.sh -f $case > /dev/null 2>&1 && \
+				 echo -e "${GREEN}$case success${NC}" | tee -a  $TDENGINE_COVERAGE_REPORT \
+				|| echo -e "${RED}$case failed${NC}" | tee -a  $TDENGINE_COVERAGE_REPORT
+			fi
+		fi
+	done < $1
+}
+
+function runTestNGCaseOneByOne {
+	while read -r line; do
+		if [[ $line =~ ^taostest* ]]; then
+			case=`echo $line | cut -d' ' -f 3 | cut -d'=' -f 2`
+			yaml=`echo $line | cut -d' ' -f 2`
+
+			if [ -n "$case" ]; then
+				date +%F\ %T | tee -a  $TDENGINE_COVERAGE_REPORT  && taostest $yaml --case=$case --keep --disable_collection > /dev/null 2>&1 && \
+				 echo -e "${GREEN}$case success${NC}" | tee -a  $TDENGINE_COVERAGE_REPORT \
+				|| echo -e "${RED}$case failed${NC}" | tee -a  $TDENGINE_COVERAGE_REPORT
+			fi
+		fi
+	done < $1
+}
+
+function runTest {
+	echo "run Test"
+
+	if [ "$branch" == "3.0" ]; then
+		echo "start run unit test case ................"
+		echo " $TDENGINE_DIR/debug "
+		cd $TDENGINE_DIR/debug
+		ctest -j12
+		echo "3.0 unit test done"
+	fi
+
+	cd $TDENGINE_DIR/tests/script
+
+	[ -d ../../sim ] && rm -rf ../../sim
+	[ -f $TDENGINE_COVERAGE_REPORT ] && rm $TDENGINE_COVERAGE_REPORT
+
+	runGeneralCaseOneByOne jenkins/basic.txt
+
+	sed -i "1i\SIM cases test result" $TDENGINE_COVERAGE_REPORT
+
+	totalSuccess=`grep 'success' $TDENGINE_COVERAGE_REPORT | wc -l`
+	if [ "$totalSuccess" -gt "0" ]; then
+		sed -i -e "2i\ ### Total $totalSuccess SIM test case(s) succeed! ###"  $TDENGINE_COVERAGE_REPORT
+	fi
+
+	totalFailed=`grep 'failed\|fault' $TDENGINE_COVERAGE_REPORT | wc -l`
+	if [ "$totalFailed" -ne "0" ]; then
+		sed -i "3i\### Total $totalFailed SIM test case(s) failed! ###"  $TDENGINE_COVERAGE_REPORT
+	fi
+	sed "3G"  $TDENGINE_COVERAGE_REPORT
+
+	stopTaosd
+	echo "run TestNG cases"
+	rm -rf /var/lib/taos/*
+	rm -rf /var/log/taos/*
+        nohup $TDENGINE_DIR/debug/build/bin/taosd -c /etc/taos > /dev/null 2>&1 &
+        sleep 10
+	cd $TDENGINE_DIR/../TestNG/cases
+	runTestNGCaseOneByOne ../scripts/cases.txt
+	echo "TestNG cases done"
+
+	cd $TDENGINE_DIR/tests
+	rm -rf ../sim
+	/root/pxiao/test-all-coverage.sh full python $branch | tee -a $TDENGINE_COVERAGE_REPORT
+	
+	
+	sed -i "4i\Python cases test result" $TDENGINE_COVERAGE_REPORT
+	totalPySuccess=`grep 'python case(s) succeed!' $TDENGINE_COVERAGE_REPORT | awk '{print $4}'`
+	if [ "$totalPySuccess" -gt "0" ]; then
+                sed -i -e "5i\ ### Total $totalPySuccess Python test case(s) succeed! ###"  $TDENGINE_COVERAGE_REPORT
+        fi
+
+	totalPyFailed=`grep 'python case(s) failed!' $TDENGINE_COVERAGE_REPORT | awk '{print $4}'`
+        if [ -z $totalPyFailed ]; then
+		sed -i "6i\\n"  $TDENGINE_COVERAGE_REPORT
+        else
+		sed -i "6i\### Total $totalPyFailed Python test case(s) failed! ###"  $TDENGINE_COVERAGE_REPORT
+        fi
+
+	echo "### run JDBC test cases ###" | tee -a $TDENGINE_COVERAGE_REPORT
+	# Test Connector
+	stopTaosd
+	nohup $TDENGINE_DIR/debug/build/bin/taosd -c /etc/taos > /dev/null 2>&1 &
+	sleep 10
+
+	cd $TDENGINE_DIR/src/connector/jdbc
+	mvn clean package > /dev/null 2>&1
+	mvn test > jdbc-out.log 2>&1
+  	tail -n 20 jdbc-out.log 2>&1 | tee -a $TDENGINE_COVERAGE_REPORT
+
+	# Test C Demo
+	stopTaosd
+	$TDENGINE_DIR/debug/build/bin/taosd -c $TDENGINE_DIR/debug/test/cfg > /dev/null &
+	sleep 10
+	yes | $TDENGINE_DIR/debug/build/bin/demo 127.0.0.1 > /dev/null 2>&1 | tee -a $TDENGINE_COVERAGE_REPORT
+
+	# Test waltest
+	dataDir=`grep dataDir $TDENGINE_DIR/debug/test/cfg/taos.cfg|awk '{print $2}'`
+	walDir=`find $dataDir -name "wal"|head -n1`
+	echo "dataDir: $dataDir" | tee -a $TDENGINE_COVERAGE_REPORT
+	echo "walDir: $walDir" | tee -a $TDENGINE_COVERAGE_REPORT
+	if [ -n "$walDir" ]; then
+		yes | $TDENGINE_DIR/debug/build/bin/waltest -p $walDir > /dev/null 2>&1 | tee -a $TDENGINE_COVERAGE_REPORT
+	fi
+
+  # run Unit Test
+  echo "Run Unit Test: utilTest, queryTest and cliTest"
+  #$TDENGINE_DIR/debug/build/bin/utilTest > /dev/null 2>&1 && echo "utilTest pass!" || echo "utilTest failed!"
+  #$TDENGINE_DIR/debug/build/bin/queryTest > /dev/null 2>&1 && echo "queryTest pass!" || echo "queryTest failed!"
+  #$TDENGINE_DIR/debug/build/bin/cliTest > /dev/null 2>&1 && echo "cliTest pass!" || echo "cliTest failed!"
+
+	stopTaosd
+
+	cd $TDENGINE_DIR/tests/script
+	find . -name '*.sql' | xargs rm -f
+
+	cd $TDENGINE_DIR/tests/pytest
+	find . -name '*.sql' | xargs rm -f
+}
+
+function lcovFunc {
+	echo "collect data by lcov"
+	cd $TDENGINE_DIR
+
+	# collect data
+	lcov -d . --capture --rc lcov_branch_coverage=1 --rc genhtml_branch_coverage=1 --no-external -b $TDENGINE_DIR -o coverage.info
+
+	# remove exclude paths
+	if [ "$branch" == "3.0" ]; then
+		lcov --remove coverage.info \
+			'*/contrib/*' '*/tests/*' '*/test/*'\
+		       	'*/AccessBridgeCalls.c' '*/ttszip.c' '*/dataInserter.c' '*/tlinearhash.c' '*/tsimplehash.c'\
+			'*/texpr.c' '*/runUdf.c' '*/schDbg.c' '*/syncIO.c' '*/tdbOs.c' '*/pushServer.c' '*/osLz4.c'\
+		       	'*/tbase64.c' '*/tbuffer.c' '*/tdes.c' '*/texception.c' '*/tidpool.c' '*/tmempool.c'\
+		       	'*/tthread.c' '*/tversion.c'\
+		       	--rc lcov_branch_coverage=1 -o coverage.info
+	else	
+		lcov --remove coverage.info \
+    		'*/tests/*' '*/test/*' '*/deps/*' '*/plugins/*' '*/taosdef.h' '*/ttype.h' '*/tarithoperator.c' '*/TSDBJNIConnector.c' '*/taosdemo.c'\
+    		--rc lcov_branch_coverage=1 -o coverage.info
+	fi
+
+
+	# generate result
+	echo "generate result"
+	lcov -l --rc lcov_branch_coverage=1 coverage.info | tee -a $TDENGINE_COVERAGE_REPORT
+
+	# push result to coveralls.io
+	echo "push result to coveralls.io"
+	/usr/local/bin/coveralls-lcov coverage.info -t o7uY02qEAgKyJHrkxLGiCOTfL3IGQR2zm | tee -a $TDENGINE_COVERAGE_REPORT
+
+	#/root/pxiao/checkCoverageFile.sh -s $TDENGINE_DIR/source -f $TDENGINE_COVERAGE_REPORT
+	#cat /root/pxiao/fileListNoCoverage.log | tee -a $TDENGINE_COVERAGE_REPORT
+	cat $TDENGINE_COVERAGE_REPORT | grep "| 0.0%" | awk -F "%" '{print $1}' | awk -F "|" '{if($2==0.0)print $1}' | tee -a $TDENGINE_COVERAGE_REPORT
+	
+}
+
+function sendReport {
+	echo "send report"
+	receiver="develop@taosdata.com"
+	mimebody="MIME-Version: 1.0\nContent-Type: text/html; charset=utf-8\n"
+
+	cd $TDENGINE_DIR
+
+	sed -i 's/\x1b\[[0-9;]*m//g' $TDENGINE_COVERAGE_REPORT
+	BODY_CONTENT=`cat $TDENGINE_COVERAGE_REPORT`
+	echo -e "from: <support@taosdata.com>\nto: ${receiver}\nsubject: Coverage test report ${branch} ${today}, commit ID: ${LOCAL_COMMIT}\n\n${today}:\n${BODY_CONTENT}" | \
+	(cat - && uuencode $TDENGINE_COVERAGE_REPORT coverage-report-$today.log) | \
+	/usr/sbin/ssmtp "${receiver}" && echo "Report Sent!"
+}
+
+function stopTaosd {
+	echo "Stop taosd start"
+        systemctl stop taosd
+  	PID=`ps -ef|grep -w taosd | grep -v grep | awk '{print $2}'`
+	while [ -n "$PID" ]
+	do
+    pkill -TERM -x taosd
+    sleep 1
+  	PID=`ps -ef|grep -w taosd | grep -v grep | awk '{print $2}'`
+	done
+	echo "Stop tasod end"
+}
+
+function runTestRandomFail {
+  exec_random_fail_sh=$1
+  default_exec_sh=$TDENGINE_DIR/tests/script/sh/exec.sh
+	[ -f $exec_random_fail_sh ] && cp $exec_random_fail_sh $default_exec_sh || exit 1
+
+  dnodes_random_fail_py=$TDENGINE_DIR/tests/pytest/util/dnodes-no-random-fail.py
+  default_dnodes_py=$TDENGINE_DIR/tests/pytest/util/dnodes.py
+	[ -f $dnodes_random_fail_py ] && cp $dnodes_random_fail_py $default_dnodes_py || exit 1
+
+  runTest NoRandomFail
+}
+
+WORK_DIR=/root/pxiao
+
+date >> $WORK_DIR/cron.log
+echo "Run Coverage Test" | tee -a $WORK_DIR/cron.log
+
+stopTaosd
+buildTDengine
+
+#runTestRandomFail $TDENGINE_DIR/tests/script/sh/exec-random-fail.sh 
+#runTestRandomFail $TDENGINE_DIR/tests/script/sh/exec-default.sh 
+#runTestRandomFail $TDENGINE_DIR/tests/script/sh/exec-no-random-fail.sh 
+
+runTest
+
+lcovFunc
+#sendReport
+stopTaosd
+
+date >> $WORK_DIR/cron.log
+echo "End of Coverage Test" | tee -a $WORK_DIR/cron.log