diff --git a/SERVER/hc-12/mysql.c b/SERVER/hc-12/mysql.c
index 8942a41..910afdd 100644
--- a/SERVER/hc-12/mysql.c
+++ b/SERVER/hc-12/mysql.c
@@ -11,6 +11,14 @@ int _mysql(char *sql, char *MYSQL_HOST, char *MYSQL_PORT_, char *MYSQL_USRT, cha
     }
 
     int result = 0;
+    int timeout = 7;  // 设置超时时间（秒）
+    
+    // 设置连接超时时间
+    mysql_options(&mysql, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);
+
+    // 设置读、写超时时间（影响查询）
+    mysql_options(&mysql, MYSQL_OPT_READ_TIMEOUT, &timeout);
+    mysql_options(&mysql, MYSQL_OPT_WRITE_TIMEOUT, &timeout);
 
     if (mysql_real_connect(&mysql, MYSQL_HOST, MYSQL_USRT, MYSQL_PASSWORD, "mysql", atoi(MYSQL_PORT_), NULL, 0)) {
         if (0 != mysql_set_character_set(&mysql, "utf8")) {