diff --git a/server/main.go b/server/main.go
index c795479..949bc6a 100644
--- a/server/main.go
+++ b/server/main.go
@@ -24,7 +24,7 @@ type Client struct {
 }
 
 var id = 0
-var clients []*Client
+var clients = []*Client{}
 var keyDir = "."
 var token = ""
 
@@ -33,10 +33,7 @@ type ReqData struct {
 }
 
 func main() {
-	err := godotenv.Load()
-	if err != nil {
-		log.Fatal(err)
-	}
+	_ = godotenv.Load()
 	keyDir = os.Getenv("KEY_DIR")
 	if keyDir == "" {
 		log.Fatal("KEY_DIR is not defined")
@@ -100,7 +97,7 @@ func main() {
 			return c.NoContent(http.StatusUnauthorized)
 		}
 
-		var a []echo.Map
+		var a = []echo.Map{}
 		for _, client := range clients {
 			a = append(a, echo.Map{
 				"id":   client.ID,