diff --git a/Makefile b/Makefile
index 256b91ca..bb3ba406 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-export GOPROXY=https://goproxy.cn
-export GOPRIVATE=github.com
+export GOPROXY=https://goproxy.cn,direct
+export GOPRIVATE=shylinux.com,github.com
 export CGO_ENABLED=0
 
 all:
diff --git a/go.mod b/go.mod
index 23918fcc..b10e2f40 100644
--- a/go.mod
+++ b/go.mod
@@ -3,29 +3,15 @@ module shylinux.com/x/contexts
 go 1.11
 
 require (
-	shylinux.com/x/ice v0.2.7
-	shylinux.com/x/icebergs v0.5.6
+	shylinux.com/x/ice v0.3.1
+	shylinux.com/x/icebergs v0.5.9
 	shylinux.com/x/toolkits v0.3.6
 )
 
 require (
-	shylinux.com/x/golang-story v0.1.6
-	shylinux.com/x/linux-story v0.1.6
-	shylinux.com/x/mysql-story v0.1.7
-	shylinux.com/x/nginx-story v0.1.7
-	shylinux.com/x/redis-story v0.1.8
+	shylinux.com/x/golang-story v0.1.9
+	shylinux.com/x/linux-story v0.1.9
+	shylinux.com/x/mysql-story v0.2.0
+	shylinux.com/x/nginx-story v0.2.0
+	shylinux.com/x/redis-story v0.2.1
 )
-
-// replace (
-// 	shylinux.com/x/ice => ./usr/release
-// 	shylinux.com/x/icebergs => ./usr/icebergs
-// 	shylinux.com/x/toolkits => ./usr/toolkits
-// )
-//
-// replace (
-// 	shylinux.com/x/golang-story => ./usr/golang-story
-// 	shylinux.com/x/linux-story => ./usr/linux-story
-// 	shylinux.com/x/mysql-story => ./usr/mysql-story
-// 	shylinux.com/x/nginx-story => ./usr/nginx-story
-// 	shylinux.com/x/redis-story => ./usr/redis-story
-// )
diff --git a/go.sum b/go.sum
index f286372f..9641b8e2 100644
--- a/go.sum
+++ b/go.sum
@@ -4,19 +4,19 @@ github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0U
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
-shylinux.com/x/golang-story v0.1.6 h1:S6WSkpJFMmrDgV6Fs9UpgC0+KWXN1ljWQZwM6E3FePI=
-shylinux.com/x/golang-story v0.1.6/go.mod h1:Qh39VtjPjckqFh8UuZHS7hmlqqX/GWPSvBQTiIvDCDE=
-shylinux.com/x/ice v0.2.7 h1:IzUTimdDEXf/qhxms0fSHZytHFVZtauushM37CJ3hWE=
-shylinux.com/x/ice v0.2.7/go.mod h1:dnMpsGnTwVn3LkKY/elZf5r4huxC667x6uiTkfKX100=
-shylinux.com/x/icebergs v0.5.6 h1:2zouXTMj8Arf4/yAu8sYpR80Djx1/5srw+1pm+xWnUc=
-shylinux.com/x/icebergs v0.5.6/go.mod h1:qDYm2Hr8CrzQM5lOUbU4+BYXATENxRcBfrLYVAR8/oQ=
-shylinux.com/x/linux-story v0.1.6 h1:bfV0TkYhZRFYTMc6MFrAOWwblHNDLPfsReiUKUEFGVs=
-shylinux.com/x/linux-story v0.1.6/go.mod h1:JtNMJy4P/algzm9bHLdty2wXYfYvf0UXaKEJ+eK+iE0=
-shylinux.com/x/mysql-story v0.1.7 h1:9s0KLsRJkdaRqjR7dKL+mCmRKbP17M9HnrQW9tJNssE=
-shylinux.com/x/mysql-story v0.1.7/go.mod h1:6s24EYfi01BX0Bdgo9/J3/JXqXiWZLUL6AvIPuaVjvM=
-shylinux.com/x/nginx-story v0.1.7 h1:6a0mZYjWxOOA23SX/fcMkJQqV2TOV3HmpcgeeerLek8=
-shylinux.com/x/nginx-story v0.1.7/go.mod h1:CO6A1XKE13m4iQrwbNuM5KupT/GnJkkGqk6F02i2tOM=
-shylinux.com/x/redis-story v0.1.8 h1:kwhm5fTJkMMmaczh06pfRU8lJkGG1W9AnsefHTfzCnQ=
-shylinux.com/x/redis-story v0.1.8/go.mod h1:3mEY5Uw22ZNYXR8n0Lrmqu1t8NxKLMcuBScrV8ahvaA=
+shylinux.com/x/golang-story v0.2.0 h1:dXCCnpjBBdFTDn6Vhm3ouEaxcVh04/Vf2geUUckt8Pw=
+shylinux.com/x/golang-story v0.2.0/go.mod h1:yUeIo/YxDM8ubkaC5WKSRSuI5LxHPRAILz5bVChyGAI=
+shylinux.com/x/ice v0.3.2 h1:bRnlvpr8qgEjeFverQEGOk5PNN6TrHODOo1pMVzAxLQ=
+shylinux.com/x/ice v0.3.2/go.mod h1:rFnhY3eBqyDTEEDGK/39Bh8jXy2pvFtaF1gewuV/4vc=
+shylinux.com/x/icebergs v0.6.0 h1:fiuanuMB6kCD3WdYYF92fiU/eZNKQuvlqV+FhvejUFM=
+shylinux.com/x/icebergs v0.6.0/go.mod h1:qDYm2Hr8CrzQM5lOUbU4+BYXATENxRcBfrLYVAR8/oQ=
+shylinux.com/x/linux-story v0.2.0 h1:9sR5WRpWmSavkcLCkw2zGTwTthPA0aQhDlFqIhz0hJw=
+shylinux.com/x/linux-story v0.2.0/go.mod h1:UVXUUV+mogH6JzRmucWXGxQ4RKpTMDOy+eP47Dg7IrE=
+shylinux.com/x/mysql-story v0.2.1 h1:7X4VKoDq4JTz3tErYTpaVudYDv7cqm7vbr1sFSaAeM4=
+shylinux.com/x/mysql-story v0.2.1/go.mod h1:en/UYvdXGYikap/VyySGS8GBMWMqPzuOqt7xn8IXqvg=
+shylinux.com/x/nginx-story v0.2.1 h1:JK9sUMoRY2okuA3AhAo/SaSkDDnfJYC8Wit/c6X9Hrs=
+shylinux.com/x/nginx-story v0.2.1/go.mod h1:2B2hCC2fpMr+WGWtz4fPneP65mWDkSE1ev0ma85qNHk=
+shylinux.com/x/redis-story v0.2.2 h1:NXpLeFHLl4cOCfFYy6tTnzHdy960d7m5Qu2bFW3ADLo=
+shylinux.com/x/redis-story v0.2.2/go.mod h1:l/ECnqRIzOP577sg4shHSUBa7ZtAmYnTGQ59xWebZjE=
 shylinux.com/x/toolkits v0.3.6 h1:vScxphySLIULkRps0i22yMW7b+sd5MbCBaZRfUmzTu0=
 shylinux.com/x/toolkits v0.3.6/go.mod h1:8LbYHe7oxBIqb6s4MSOD+4d28QvPdvkyCVtwB/JW7AA=
diff --git a/src/debug/go.mod b/src/debug/go.mod
new file mode 100644
index 00000000..eb239c3c
--- /dev/null
+++ b/src/debug/go.mod
@@ -0,0 +1,31 @@
+module shylinux.com/x/contexts
+
+go 1.11
+
+require (
+	shylinux.com/x/ice v0.3.1
+	shylinux.com/x/icebergs v0.5.9
+	shylinux.com/x/toolkits v0.3.6
+)
+
+require (
+	shylinux.com/x/golang-story v0.1.9
+	shylinux.com/x/linux-story v0.1.9
+	shylinux.com/x/mysql-story v0.2.0
+	shylinux.com/x/nginx-story v0.2.0
+	shylinux.com/x/redis-story v0.2.1
+)
+
+replace (
+	shylinux.com/x/ice => ./usr/release
+	shylinux.com/x/icebergs => ./usr/icebergs
+	shylinux.com/x/toolkits => ./usr/toolkits
+)
+
+replace (
+	shylinux.com/x/golang-story => ./usr/golang-story
+	shylinux.com/x/linux-story => ./usr/linux-story
+	shylinux.com/x/mysql-story => ./usr/mysql-story
+	shylinux.com/x/nginx-story => ./usr/nginx-story
+	shylinux.com/x/redis-story => ./usr/redis-story
+)
diff --git a/src/release/go.mod b/src/release/go.mod
new file mode 100644
index 00000000..b10e2f40
--- /dev/null
+++ b/src/release/go.mod
@@ -0,0 +1,17 @@
+module shylinux.com/x/contexts
+
+go 1.11
+
+require (
+	shylinux.com/x/ice v0.3.1
+	shylinux.com/x/icebergs v0.5.9
+	shylinux.com/x/toolkits v0.3.6
+)
+
+require (
+	shylinux.com/x/golang-story v0.1.9
+	shylinux.com/x/linux-story v0.1.9
+	shylinux.com/x/mysql-story v0.2.0
+	shylinux.com/x/nginx-story v0.2.0
+	shylinux.com/x/redis-story v0.2.1
+)