fix: 在 FetchCountryLeaderboard 函数中添加对 offset 参数的校验，确保其最小值为 1

service/beatleader/user_info.go

@@ -69,6 +69,9 @@ func FetchPlayerData(blID string) (*PlayerData, error) {
 }
 
 func FetchCountryLeaderboard(country string, offset int, userId string) ([]PlayerDataLite, error) {
+	if offset < 1 {
+		offset = 1
+	}
 	url := fmt.Sprintf("https://api.beatleader.com/players?leaderboardContext=general&page=%d&count=50&sortBy=pp&mapsType=ranked&ppType=general&order=desc&countries=%s", offset/50+1, country)
 
 	// 创建请求