diff --git a/cmd/open_im_api/main.go b/cmd/open_im_api/main.go
index ce89a8564..7f1546022 100644
--- a/cmd/open_im_api/main.go
+++ b/cmd/open_im_api/main.go
@@ -10,6 +10,7 @@ import (
 	"Open_IM/internal/api/office"
 	apiThird "Open_IM/internal/api/third"
 	"Open_IM/internal/api/user"
+	"Open_IM/pkg/common/config"
 	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/log"
 	"Open_IM/pkg/utils"
@@ -30,6 +31,8 @@ func main() {
 
 	r := gin.Default()
 	r.Use(utils.CorsHandler())
+
+	log.Info("load config: ", config.Config)
 	// user routing group, which handles user registration and login services
 	userRouterGroup := r.Group("/user")
 	{
diff --git a/cmd/open_im_demo/main.go b/cmd/open_im_demo/main.go
index 58f5826db..d7688d4dd 100644
--- a/cmd/open_im_demo/main.go
+++ b/cmd/open_im_demo/main.go
@@ -6,12 +6,17 @@ import (
 	"Open_IM/pkg/common/log"
 	"Open_IM/pkg/utils"
 	"flag"
+	"io"
+	"os"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
 )
 
 func main() {
+	gin.SetMode(gin.ReleaseMode)
+	f, _ := os.Create("../logs/api.log")
+	gin.DefaultWriter = io.MultiWriter(f)
 
 	r := gin.Default()
 	r.Use(utils.CorsHandler())
diff --git a/pkg/common/config/config.go b/pkg/common/config/config.go
index 3c597fbbf..8b174f993 100644
--- a/pkg/common/config/config.go
+++ b/pkg/common/config/config.go
@@ -1,7 +1,6 @@
 package config
 
 import (
-	"fmt"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -420,5 +419,4 @@ func init() {
 	if err = yaml.Unmarshal(bytes, &Config); err != nil {
 		panic(err.Error())
 	}
-	fmt.Println("load config: ", Config)
 }