diff --git a/config.json b/config.json
index a528c21..83a2ad8 100644
--- a/config.json
+++ b/config.json
@@ -4,7 +4,7 @@
     "tls": false
   },
   "auth": {
-    "signingKey": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9"
+    "signingKey": "tWB0lUXiCwX4U3qsJZcZ10mKvEH793RHkTJDbDuZVshQTk4uNB6ck59UQ96lhsRi4XNUiEnlIbP8XYQMPabeNtERX3iyHeDcwocgUVAor1nkAajYeq1gNyJszGpMhEOT"
   },
   "grpc": {
     "addr": "127.0.0.1:50006",
diff --git a/module/member/signin.go b/module/member/signin.go
index cf9fd2c..f4128c5 100644
--- a/module/member/signin.go
+++ b/module/member/signin.go
@@ -7,13 +7,12 @@ import (
 	"encoding/json"
 	"log"
 
+	"git.loafle.net/commons_go/config"
 	"git.loafle.net/overflow/overflow_server_app/grpc"
 	jwt "github.com/dgrijalva/jwt-go"
 	"github.com/valyala/fasthttp"
 )
 
-var ofSigningKey = []byte("secret")
-
 func SignIn(ctx *fasthttp.RequestCtx) {
 	var err error
 	//signinId := string(ctx.FormValue("signinId"))
@@ -51,12 +50,14 @@ func SignIn(ctx *fasthttp.RequestCtx) {
 	claims := token.Claims.(jwt.MapClaims)
 
 	/* Set token claims */
-
-	claims["uid"] = signinId
+	claims["iss"] = "overFlow"
+	claims["iat"] = time.Now().Unix()
 	claims["exp"] = time.Now().Add(time.Hour * 24).Unix()
+	claims["aud"] = "www.overflow.cloud"
+	claims["sub"] = signinId
 
 	/* Sign the token with our secret */
-	tokenString, _ := token.SignedString(ofSigningKey)
+	tokenString, _ := token.SignedString([]byte(config.GetString("auth.signingKey")))
 
 	var jwtCookie fasthttp.Cookie
 	jwtCookie.SetKey("AuthToken")