set go proxy as 'goproxy.cn' and modify case error about case002

tests/gotest/batchtest.bat

@@ -8,7 +8,7 @@ if "%severIp%"=="" (set severIp=127.0.0.1)
 if "%serverPort%"=="" (set serverPort=6030)
 
 go env -w GO111MODULE=on
-go env -w GOPROXY=https://goproxy.io,direct
+go env -w GOPROXY=https://goproxy.cn,direct
 
 cd case001
 case001.bat %severIp% %serverPort%  

tests/gotest/batchtest.sh

@@ -14,7 +14,7 @@ if [ ! -n "$serverPort" ]; then
 fi
 
 go env -w GO111MODULE=on
-go env -w GOPROXY=https://goproxy.io,direct
+go env -w GOPROXY=https://goproxy.cn,direct
 
 bash ./case001/case001.sh $severIp $serverPort
 bash ./case002/case002.sh $severIp $serverPort

tests/gotest/case002/case002.bat

 @echo off
-echo ==== start run cases001.go
+echo ==== start run cases002.go
 
 del go.*
 go mod init demotest

tests/gotest/case002/case002.go

@@ -43,10 +43,9 @@ func main() {
 		os.Exit(1)
 	}
 	defer db.Close()
-	db.Exec("drop if exists database test")
-	db.Exec("create if not exists database test")
+	db.Exec("drop database if exists  test")
+	db.Exec("create database if not exists test")
 	db.Exec("use test")
-	db.Exec("drop if exists database test")
 	db.Exec("create table test (ts timestamp ,level int)")
 	for i := 0; i < 10; i++ {
 		sqlcmd := fmt.Sprintf("insert into test values(%d,%d)", ts+i, i)

tests/gotest/case002/case002.sh

 #!/bin/bash
 
-echo "==== start run cases001.go"
+echo "==== start run cases002.go"
 
 set +e
 #set -x