From 7fe776c6946c7e2d27eb22eda429935f3de9c1a8 Mon Sep 17 00:00:00 2001
From: git-hulk <hulk.website@gmail.com>
Date: Sun, 21 Jan 2024 19:08:32 +0800
Subject: [PATCH] Fix tidy error

---
 src/server/redis_connection.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/server/redis_connection.h b/src/server/redis_connection.h
index 6539751d212..782346d3b66 100644
--- a/src/server/redis_connection.h
+++ b/src/server/redis_connection.h
@@ -65,7 +65,7 @@ class Connection : public EvbufCallbackBase<Connection> {
   RESP GetProtocolVersion() const { return protocol_version_; }
   void SetProtocolVersion(RESP version) { protocol_version_ = version; }
   std::string Bool(bool b) const;
-  std::string BigNumber(std::string n) const { return protocol_version_ == RESP::v3 ? "(" + n + CRLF : BulkString(n); }
+  std::string BigNumber(const std::string &n) const { return protocol_version_ == RESP::v3 ? "(" + n + CRLF : BulkString(n); }
   std::string NilString() const { return redis::NilString(protocol_version_); }
   std::string NilArray() const { return protocol_version_ == RESP::v3 ? "_" CRLF : "*-1" CRLF; }
   std::string MultiBulkString(const std::vector<std::string> &values, bool output_nil_for_empty_string = true) const;