diff --git a/tests/perftest-scripts/coverage_test.sh b/tests/perftest-scripts/coverage_test.sh
index 5085ec89d00def1a2147f24ccbeb488406541775..1be2053f24f28dd825c040912783675b1eab94f9 100755
--- a/tests/perftest-scripts/coverage_test.sh
+++ b/tests/perftest-scripts/coverage_test.sh
@@ -56,9 +56,9 @@ function runGeneralCaseOneByOne {
 			case=`echo $line | grep sim$ |awk '{print $NF}'`
 
 			if [ -n "$case" ]; then
-				./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
+				date +%F\ %T | tee -a  $TDENGINE_COVERAGE_REPORT  && ./test.sh -f $case > /dev/null 2>&1 && \
+				( grep -q 'script.*success.*m$' ../../sim/tsim/log/taoslog0.0 && 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
diff --git a/tests/perftest-scripts/perftest-query.sh b/tests/perftest-scripts/perftest-query.sh
index 07055d64b0e63c48a7c7fec6b8f96198d1928437..e43a45ed5e87ec81fc86e1af4733c0e859af69f0 100755
--- a/tests/perftest-scripts/perftest-query.sh
+++ b/tests/perftest-scripts/perftest-query.sh
@@ -64,7 +64,7 @@ function runQueryPerfTest {
 	[ -f $PERFORMANCE_TEST_REPORT ] && rm $PERFORMANCE_TEST_REPORT
 	nohup $WORK_DIR/TDengine/debug/build/bin/taosd -c /etc/taosperf/ > /dev/null 2>&1 &
 	echoInfo "Wait TDengine to start"
-	sleep 60
+	sleep 120
 	echoInfo "Run Performance Test"	
 	cd $WORK_DIR/TDengine/tests/pytest
 	
@@ -72,7 +72,7 @@ function runQueryPerfTest {
 
 	python3 insert/insertFromCSVPerformance.py -c $LOCAL_COMMIT | tee -a $PERFORMANCE_TEST_REPORT
 
-	yes | taosdemo -c /etc/taosperf/ -d taosdemo_insert_test -t 1000 -n 1000 > taosdemoperf.txt
+	yes | taosdemo -c /etc/taosperf/ -d taosdemo_insert_test -x > taosdemoperf.txt
 
 	CREATETABLETIME=`grep 'Spent' taosdemoperf.txt | awk 'NR==1{print $2}'`
 	INSERTRECORDSTIME=`grep 'Spent' taosdemoperf.txt | awk 'NR==2{print $2}'`
diff --git a/tests/pytest/tag_lite/alter_tag.py b/tests/pytest/tag_lite/alter_tag.py
index aafffc19c301b07ba5aa5bbfc2f8ca37c43e4d80..9e5abb6c134840ecb4ab52c7d3a6ab623885e12b 100644
--- a/tests/pytest/tag_lite/alter_tag.py
+++ b/tests/pytest/tag_lite/alter_tag.py
@@ -41,7 +41,23 @@ class TDTestCase:
         tdSql.query("select * from ampere")
         tdSql.checkRows(2)
         tdSql.checkData(0, 6, None)
-        tdSql.checkData(1, 6, 'test')        
+        tdSql.checkData(1, 6, 'test')
+
+        # Test case for: https://jira.taosdata.com:18080/browse/TD-2423 
+        tdSql.execute("create table stb(ts timestamp, col1 int, col2 nchar(20)) tags(tg1 int, tg2 binary(20), tg3 nchar(25))")
+        tdSql.execute("insert into tb1 using stb(tg1, tg3) tags(1, 'test1') values(now, 1, 'test1')")        
+        tdSql.query("select *, tg1, tg2, tg3 from tb1")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 3, 1)
+        tdSql.checkData(0, 4, None)
+        tdSql.checkData(0, 5, 'test1')
+
+        tdSql.execute("create table tb2 using stb(tg3, tg2) tags('test3', 'test2')")
+        tdSql.query("select tg1, tg2, tg3 from tb2")
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, None)
+        tdSql.checkData(0, 1, 'test2')
+        tdSql.checkData(0, 2, 'test3')
 
     def stop(self):
         tdSql.close()
diff --git a/tests/test-all.sh b/tests/test-all.sh
index bee2f1e7eca19494be3af818896bee33fa5d9c32..f03e3f88c39a7289f7b0a4b9a06da8d2ab47cd4a 100755
--- a/tests/test-all.sh
+++ b/tests/test-all.sh
@@ -21,8 +21,8 @@ function runSimCaseOneByOne {
     if [[ $line =~ ^./test.sh* ]] || [[ $line =~ ^run* ]]; then
 			case=`echo $line | grep sim$ |awk '{print $NF}'`
       IN_TDINTERNAL="community"
-      start_time=`date +%s`
-       IN_TDINTERNAL="community"
+      start_time=`date +%s`      
+      date +%F\ %T | tee -a out.log
       if [[ "$tests_dir" == *"$IN_TDINTERNAL"* ]]; then
         echo -n $case
         ./test.sh -f $case > /dev/null 2>&1 && \
@@ -53,6 +53,7 @@ function runSimCaseOneByOnefq {
 
       start_time=`date +%s`
       IN_TDINTERNAL="community"
+      date +%F\ %T | tee -a out.log
       if [[ "$tests_dir" == *"$IN_TDINTERNAL"* ]]; then
         echo -n $case
         ./test.sh -f $case > /dev/null 2>&1 && \
@@ -94,6 +95,7 @@ function runPyCaseOneByOne {
           case=`echo $line|awk '{print $NF}'`
         fi
         start_time=`date +%s`
+        date +%F\ %T | tee -a pytest-out.log
         echo -n $case
         $line > /dev/null 2>&1 && \
           echo -e "${GREEN} success${NC}" | tee -a pytest-out.log || \
@@ -122,6 +124,7 @@ function runPyCaseOneByOnefq {
           case=`echo $line|awk '{print $NF}'`
         fi
         start_time=`date +%s`
+        date +%F\ %T | tee -a pytest-out.log
         echo -n $case
         $line > /dev/null 2>&1 && \
           echo -e "${GREEN} success${NC}" | tee -a pytest-out.log || \