diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 08cb523..0000000
--- a/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-go.sum
diff --git a/go.mod b/go.mod
index dc22129..4f9e807 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,15 @@ require (
 )
 
 require (
-	apigo.cc/go/rand v1.0.4 // indirect
+	apigo.cc/go/rand v1.0.5 // indirect
 	golang.org/x/crypto v0.50.0 // indirect
 	golang.org/x/sys v0.43.0 // indirect
 )
+
+replace apigo.cc/go/crypto => ../crypto
+
+replace apigo.cc/go/encoding => ../encoding
+
+replace apigo.cc/go/safe => ../safe
+
+replace apigo.cc/go/rand => ../rand
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..2f6d781
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,6 @@
+github.com/emmansun/gmsm v0.28.0 h1:0WyTHmQgaAfM8IwMnNMJCfEiK999cZ2J8csfcZ2Ooco=
+github.com/emmansun/gmsm v0.28.0/go.mod h1:9lKtK8f3c7wh2z0g6fsqRbay69V1jWYDcBaytyuR95M=
+golang.org/x/crypto v0.50.0 h1:zO47/JPrL6vsNkINmLoo/PH1gcxpls50DNogFvB5ZGI=
+golang.org/x/crypto v0.50.0/go.mod h1:3muZ7vA7PBCE6xgPX7nkzzjiUq87kRItoJQM1Yo8S+Q=
+golang.org/x/sys v0.43.0 h1:Rlag2XtaFTxp19wS8MXlJwTvoh8ArU6ezoyFsMyCTNI=
+golang.org/x/sys v0.43.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=