diff --git a/conf/app.conf b/conf/app.conf
index cd0f7a8..8fae0e5 100644
--- a/conf/app.conf
+++ b/conf/app.conf
@@ -1,6 +1,6 @@
 appname = beeblog
 
-runmode = "dev"
+runmode = "prod"
 
 sessionon = true
 sessiongcmaxlifetime = 36000
diff --git a/go.mod b/go.mod
index 2fddf6f..c86b744 100644
--- a/go.mod
+++ b/go.mod
@@ -1,14 +1,13 @@
 module beeblog
 
 require (
-	github.com/beego/bee/v2 v2.0.2 // indirect
 	github.com/beego/beego/v2 v2.0.1
 	github.com/fortytw2/leaktest v1.3.0 // indirect
 	github.com/go-sql-driver/mysql v1.5.0
+	github.com/lib/pq v1.7.0 // indirect
 	github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e // indirect
 	github.com/olivere/elastic v6.2.22+incompatible
-	github.com/shiena/ansicolor v0.0.0-20151119151921-a422bbe96644 // indirect
-	google.golang.org/appengine v1.6.1 // indirect
+	gopkg.in/yaml.v2 v2.3.0 // indirect
 )
 
-go 1.13
+go 1.16