diff --git a/.gitignore b/.gitignore
index 65c2bf1..48f8cf8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,8 +40,8 @@ go.work.sum
 .env
 
 /frp_client
-/config
+/configs
 agent.md
 super-frpc
 super-frpc.exe
-database.db
\ No newline at end of file
+*.db
\ No newline at end of file
diff --git a/auth.go b/auth.go
index b52376e..98d6860 100644
--- a/auth.go
+++ b/auth.go
@@ -106,6 +106,7 @@ func GetTokenInfo(userID int) (*TokenInfo, error) {
 	tokenInfo, exists := tokenMap[userID]
 	if !exists {
 		return nil, fmt.Errorf("Token not found for userID %d", userID)
+		
 	}
 
 	return tokenInfo, nil
@@ -116,7 +117,7 @@ func extractUserIDFromToken(token string) (int, error) {
 	defer tokenMux.RUnlock()
 	for userID, tokenInfo := range tokenMap {
 		if tokenInfo.Token == token {
-			postLog.Debug(fmt.Sprintf("[extractUserIDFromToken] Extracted userID %d from token: %s", userID, token))
+			// postLog.Debug(fmt.Sprintf("[extractUserIDFromToken] Extracted userID %d from token: %s", userID, token))
 			return userID, nil
 		}
 	}
diff --git a/database.db b/database.db
index a7ee4f1..4509f4b 100644
Binary files a/database.db and b/database.db differ
diff --git a/handlers.go b/handlers.go
index 5dadbfe..751b8dd 100644
--- a/handlers.go
+++ b/handlers.go
@@ -134,8 +134,8 @@ func LoginHandler(w http.ResponseWriter, r *http.Request) {
 
 	user, err := GetUserByUsername(req.Username)
 	if err != nil {
-		SendErrorResponse(w, http.StatusUnauthorized, "Invalid username")
-		postLog.Warning(fmt.Sprintf("[LoginHandler] Login failed: invalid username \"%s\"", req.Username))
+		SendErrorResponse(w, http.StatusUnauthorized, "User not exist")
+		postLog.Warning(fmt.Sprintf("[LoginHandler] Login failed: User not exist \"%s\"", req.Username))
 		return
 	}