diff --git a/source/util/src/tanalytics.c b/source/util/src/tanalytics.c
index e68edd4b76..bf2cb4fd07 100644
--- a/source/util/src/tanalytics.c
+++ b/source/util/src/tanalytics.c
@@ -20,7 +20,7 @@
 
 #ifdef USE_ANALYTICS
 #include <curl/curl.h>
-#define ANAL_ALGO_SPLIT ","
+#define ANALYTICS_ALOG_SPLIT_CHAR ","
 
 typedef struct {
   int64_t       ver;
@@ -136,7 +136,7 @@ bool taosAnalGetOptStr(const char *option, const char *optName, char *optValue,
     return false;
   }
 
-  pEnd = strstr(pStart, ANAL_ALGO_SPLIT);
+  pEnd = strstr(pStart, ANALYTICS_ALOG_SPLIT_CHAR);
   if (optMaxLen > 0) {
     if (pEnd > pStart) {
       int32_t len = (int32_t)(pEnd - pStart);
@@ -168,7 +168,7 @@ bool taosAnalGetOptInt(const char *option, const char *optName, int64_t *optValu
   int32_t bufLen = tsnprintf(buf, sizeof(buf), "%s=", optName);
 
   char *pos1 = strstr(option, buf);
-  char *pos2 = strstr(option, ANAL_ALGO_SPLIT);
+  char *pos2 = strstr(option, ANALYTICS_ALOG_SPLIT_CHAR);
   if (pos1 != NULL) {
     *optValue = taosStr2Int64(pos1 + bufLen, NULL, 10);
     return true;
diff --git a/tests/script/sh/stop_dnodes.sh b/tests/script/sh/stop_dnodes.sh
index 8923804547..da2083b013 100755
--- a/tests/script/sh/stop_dnodes.sh
+++ b/tests/script/sh/stop_dnodes.sh
@@ -13,7 +13,7 @@ if [ -n "$PID" ]; then
   systemctl stop taosd
 fi
 
-PID=`ps -ef|grep -w taosd | grep -v grep | awk '{print $2}'`
+PID=`ps -ef|grep -w taosd | grep -v grep | grep -v taosanode | awk '{print $2}'`
 while [ -n "$PID" ]; do
   echo kill -9 $PID
   #pkill -9 taosd
@@ -38,10 +38,10 @@ while [ -n "$PID" ]; do
   else
     lsof -nti:6030 | xargs kill -9
   fi
-  PID=`ps -ef|grep -w taos | grep -v grep | awk '{print $2}'`
+  PID=`ps -ef|grep -w taos | grep -v grep |grep -v taosanode| awk '{print $2}'`
 done
 
-PID=`ps -ef|grep -w tmq_sim | grep -v grep | awk '{print $2}'`
+PID=`ps -ef|grep -w tmq_sim | grep -v grep | grep -v taosanode|awk '{print $2}'`
 while [ -n "$PID" ]; do
   echo kill -9 $PID
   #pkill -9 tmq_sim
@@ -52,5 +52,5 @@ while [ -n "$PID" ]; do
   else
     lsof -nti:6030 | xargs kill -9
   fi
-  PID=`ps -ef|grep -w tmq_sim | grep -v grep | awk '{print $2}'`
+  PID=`ps -ef|grep -w tmq_sim | grep -v grep | grep -v taosanode| awk '{print $2}'`
 done
\ No newline at end of file
diff --git a/tests/script/tsim/analytics/basic0.sim b/tests/script/tsim/analytics/basic0.sim
index 77c9184e8f..35774e7682 100644
--- a/tests/script/tsim/analytics/basic0.sim
+++ b/tests/script/tsim/analytics/basic0.sim
@@ -3,7 +3,17 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
 sql connect
 
-print =============== create anode
+print =============== failed to create anode  on  '127.0.0.1:1101'
+sql_error create anode '127.0.0.1:1101'
+
+sql  show anodes
+if $rows != 0 then
+  return -1
+endi
+
+sql_error drop anode 1
+
+print ================ create anode
 sql create anode '192.168.1.116:6050'
 
 sql show anodes
@@ -58,6 +68,61 @@ if $data00 != 1 then
    return -1
 endi
 
+sql_error select _frowts, _flow, _fhigh, forecast(c1, 'algo=holtwinters,conf=0.5,wncheck=1,period=0') from ct1
+sql_error select _frowts, _flow, _fhigh, forecast(c1, 'algo=holtwinters,conf=119,wncheck=1,period=0') from ct1
+sql_error select _frowts, _flow, _fhigh, forecast(c1, 'algo=holtwinters1,conf=0.5,wncheck=1,period=0') from ct1
+sql_error select forecast(c1, 'conf=50 ,algo = arima, rows=0') from ct1
+sql_error select forecast(c1, 'conf=50 ,algo = arima, rows=-10') from ct1
+sql_error select forecast(c1, 'conf=50 ,algo = arima, every=0') from ct1
+
+sql select _frowts, _flow, _fhigh, forecast(c1, 'algo=holtwinters, conf=50 ') from ct1
+sql select _frowts, _flow, _fhigh, forecast(c1, ' algo=holtwinters , conf=50 ') from ct1
+sql select _frowts, _flow, _fhigh, forecast(c1, ' algo = holtwinters , conf = 50 ') from ct1
+sql select _frowts, _flow, _fhigh, forecast(c1, 'conf=50 ,algo = holtwinters, ') from ct1
+sql select _frowts, _flow, _fhigh, forecast(c1, 'conf=50 ,algo = holtwinters, ,') from ct1
+sql select _frowts, _flow, _fhigh, forecast(c1, 'conf=50 ,algo = holtwinters, ,  ,') from ct1
+sql select _frowts, _flow, _fhigh, forecast(c1, 'conf=50 ,algo = holtwinters, a    =') from ct1
+sql select _frowts, _flow, _fhigh, forecast(c1, 'conf=50 ,algo = holtwinters,     =   a ,') from ct1
+sql select forecast(c1, 'conf=50 ,algo = arima') from ct1
+sql select forecast(c1, 'conf=50 ,algo = arima, rows=1') from ct1
+
+sql select _frowts, _flow, _fhigh, forecast(c1, 'algo=holtwinters,conf=50,wncheck=1,period=0,start=1700000000000,every=2') from ct1
+if $rows != 10 then
+  return -1
+endi
+
+if $data03 != 28 then
+  return -1
+endi
+
+if $data00 != @23-11-15 06:13:20.000@ then
+  print expect 23-11-15 06:13:20.000 , actual $data00
+  return -1
+endi
+
+if $data10 != @23-11-15 06:13:20.002@ then
+  print expect 23-11-15 06:13:20.002 , actual $data10
+  return -1
+endi
+
+if $data20 != @23-11-15 06:13:20.004@ then
+  return -1
+endi
+
+print test the every option and rows option
+
+sql select _frowts, _flow, _fhigh, forecast(c1, 'algo=holtwinters,conf=50,wncheck=1,period=0,start=1700000000000,every=100,rows=5') from ct1
+if $rows != 5 then
+  return -1
+endi
+
+if $data00 != @23-11-15 06:13:20.000@ then
+  return -1
+endi
+
+if $data10 != @23-11-15 06:13:20.100@ then
+  return -1
+endi
 
 sql drop anode 1
 sql show anodes