diff --git a/base/start.go b/base/start.go
index 61bd8bf..bc203bb 100644
--- a/base/start.go
+++ b/base/start.go
@@ -5,3 +5,7 @@ func Start() {
 	initServerCfg()
 	initLog()
 }
+
+func Test()  {
+	initLog()
+}
\ No newline at end of file
diff --git a/go.mod b/go.mod
index c51bbb5..17d8d4e 100644
--- a/go.mod
+++ b/go.mod
@@ -21,5 +21,4 @@ require (
 	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
 	golang.org/x/net v0.0.0-20210220033124-5f55cee0dc0d
 	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 )
diff --git a/go.sum b/go.sum
index 35d15d2..78640d2 100644
--- a/go.sum
+++ b/go.sum
@@ -4,14 +4,11 @@ github.com/Sereal/Sereal v0.0.0-20190618215532-0b8ac451a863 h1:BRrxwOZBolJN4gIwv
 github.com/Sereal/Sereal v0.0.0-20190618215532-0b8ac451a863/go.mod h1:D0JMgToj/WdxCgd30Kc1UcA9E+WdZoJqeVOuYW7iTBM=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
-github.com/asdine/storm v1.1.0 h1:lwDLqMMPhokfYk8EuU1RRHTi54T68EI+QnCqK5t4TCM=
-github.com/asdine/storm v2.1.2+incompatible h1:dczuIkyqwY2LrtXPz8ixMrU/OFgZp71kbKTHGrXYt/Q=
 github.com/asdine/storm/v3 v3.2.1 h1:I5AqhkPK6nBZ/qJXySdI7ot5BlXSZ7qvDY1zAn5ZJac=
 github.com/asdine/storm/v3 v3.2.1/go.mod h1:LEpXwGt4pIqrE/XcTvCnZHT5MgZCV6Ub9q7yQzOFWr0=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v1.0.2 h1:KPldsxuKGsS2FPWsNeg9ZO18aCrGKujPoWXn2yo+KQM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/go-ole/go-ole v1.2.5 h1:t4MGB5xEDZvXI+0rMjjsfBsD7yAgp/s9ZDkL1JndXwY=
@@ -48,8 +45,6 @@ github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5Cc
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/vmihailenco/msgpack v4.0.4+incompatible h1:dSLoQfGFAo3F6OoNhwUmLwVgaUXK79GlxNBwueZn0xI=
 github.com/vmihailenco/msgpack v4.0.4+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
-github.com/xhit/go-simple-mail v1.0.0 h1:sLvCv2srAOeKnEPY3pzACtcjOjHHwwPdMcdMNRnMkRA=
-github.com/xhit/go-simple-mail v2.2.2+incompatible h1:Hm2VGfLqiQJ/NnC8SYsrPOPyVYIlvP2kmnotP4RIV74=
 github.com/xhit/go-simple-mail/v2 v2.8.0 h1:w6ZDXvRk0EO+r78LRlQl14ngP2tiRDRRHhr9UaVJ0p4=
 github.com/xhit/go-simple-mail/v2 v2.8.0/go.mod h1:kA1XbQfCI4JxQ9ccSN6VFyIEkkugOm7YiPkA5hKiQn4=
 github.com/xlzd/gotp v0.0.0-20181030022105-c8557ba2c119 h1:YyPWX3jLOtYKulBR6AScGIs74lLrJcgeKRwcbAuQOG4=
@@ -87,8 +82,6 @@ golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/sessdata/ip_pool_test.go b/sessdata/ip_pool_test.go
index 92d0327..7a0892d 100644
--- a/sessdata/ip_pool_test.go
+++ b/sessdata/ip_pool_test.go
@@ -13,6 +13,7 @@ import (
 )
 
 func preData(tmpDir string) {
+	base.Test()
 	tmpDb := path.Join(tmpDir, "test.db")
 	base.Cfg.DbFile = tmpDb
 	base.Cfg.Ipv4CIDR = "192.168.3.0/24"
diff --git a/sessdata/session_test.go b/sessdata/session_test.go
index 4499762..26b7f3e 100644
--- a/sessdata/session_test.go
+++ b/sessdata/session_test.go
@@ -7,17 +7,17 @@ import (
 )
 
 func TestNewSession(t *testing.T) {
-	assert := assert.New(t)
+	ast := assert.New(t)
 	sessions = make(map[string]*Session)
 	sess := NewSession("")
 	token := sess.Token
 	v, ok := sessions[token]
-	assert.True(ok)
-	assert.Equal(sess, v)
+	ast.True(ok)
+	ast.Equal(sess, v)
 }
 
 func TestConnSession(t *testing.T) {
-	assert := assert.New(t)
+	ast := assert.New(t)
 	tmp := t.TempDir()
 	preData(tmp)
 	defer cleardata(tmp)
@@ -29,10 +29,10 @@ func TestConnSession(t *testing.T) {
 	cSess := sess.NewConn()
 
 	err := cSess.RateLimit(100, true)
-	assert.Nil(err)
-	assert.Equal(cSess.BandwidthUp, uint32(100))
+	ast.Nil(err)
+	ast.Equal(cSess.BandwidthUp, uint32(100))
 	err = cSess.RateLimit(200, false)
-	assert.Nil(err)
-	assert.Equal(cSess.BandwidthDown, uint32(200))
+	ast.Nil(err)
+	ast.Equal(cSess.BandwidthDown, uint32(200))
 	cSess.Close()
 }