diff --git a/go.mod b/go.mod
index d398604..1018030 100644
--- a/go.mod
+++ b/go.mod
@@ -3,14 +3,12 @@ module github.com/Sora233/buntdb-cli
 go 1.15
 
 require (
-	github.com/alecthomas/kong v0.2.14
+	github.com/alecthomas/kong v0.2.17
 	github.com/c-bata/go-prompt v0.2.6
 	github.com/mattn/go-colorable v0.1.8 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
 	github.com/stretchr/testify v1.7.0
 	github.com/tidwall/buntdb v1.2.6
 	golang.org/x/sys v0.0.0-20210108172913-0df2131ae363 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
 
 replace github.com/c-bata/go-prompt => github.com/Xiami2012/go-prompt v0.2.7-0.20210617172556-566a3e3f3d2e
diff --git a/go.sum b/go.sum
index 772edba..80b73fc 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/Xiami2012/go-prompt v0.2.7-0.20210617172556-566a3e3f3d2e h1:FzvGVpCl8ITIxC9lu3gawtpOvElQ2jBfHDeH2tYubLU=
 github.com/Xiami2012/go-prompt v0.2.7-0.20210617172556-566a3e3f3d2e/go.mod h1:/LMAke8wD2FsNu9EXNdHxNLbd9MedkPnCdfpU9wwHfY=
-github.com/alecthomas/kong v0.2.14 h1:2qduy0ulDR8SbUU7ImQpoEJM5pDAAOcsXFNdDWfVzdM=
-github.com/alecthomas/kong v0.2.14/go.mod h1:kQOmtJgV+Lb4aj+I2LEn40cbtawdWJ9Y8QLq+lElKxE=
+github.com/alecthomas/kong v0.2.17 h1:URDISCI96MIgcIlQyoCAlhOmrSw6pZScBNkctg8r0W0=
+github.com/alecthomas/kong v0.2.17/go.mod h1:ka3VZ8GZNPXv9Ov+j4YNLkI8mTuhXyr/0ktSlqIydQQ=
 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=
@@ -18,7 +18,6 @@ github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/Qd
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/mattn/go-tty v0.0.3 h1:5OfyWorkyO7xP52Mq7tB36ajHDG5OHrmBGIS/DtakQI=
 github.com/mattn/go-tty v0.0.3/go.mod h1:ihxohKRERHTVzN+aSVRwACLCeqIoZAWpoICkkvrWyR0=
-github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/term v1.2.0-beta.2 h1:L3y/h2jkuBVFdWiJvNfYfKmzcCnILw7mJWm2JQuMppw=
@@ -26,7 +25,6 @@ github.com/pkg/term v1.2.0-beta.2/go.mod h1:E25nymQcrSllhX42Ok8MRm1+hyBdHY0dCeiK
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/tidwall/btree v0.6.0 h1:JLYAFGV+1gjyFi3iQbO/fupBin+Ooh7dxqVV0twJ1Bo=