From e284eebbc51f9adaa6c384e2290733bc3b60468a Mon Sep 17 00:00:00 2001
From: xiezhaodong <xiezhaodong@bytedance.com>
Date: Mon, 14 Apr 2025 20:17:12 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81lru=E7=BC=93=E5=AD=98?=
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---
 prepare_stmt.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/prepare_stmt.go b/prepare_stmt.go
index ede61854..6324e6eb 100644
--- a/prepare_stmt.go
+++ b/prepare_stmt.go
@@ -62,6 +62,9 @@ func (db *PreparedStmtDB) GetDBConn() (*sql.DB, error) {
 func (db *PreparedStmtDB) Close() {
 	db.Mux.Lock()
 	defer db.Mux.Unlock()
+	if db.Stmts == nil {
+		return
+	}
 
 	for _, stmt := range db.Stmts.AllMap() {
 		go func(s *Stmt) {