fix 短信6位数

ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/SendSmsController.java

@@ -4,7 +4,6 @@ import com.ruoyi.common.annotation.RepeatSubmit;
 import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.core.domain.entity.SysUser;
 import com.ruoyi.common.core.domain.model.LoginBody;
-import com.ruoyi.common.core.domain.model.LoginUser;
 import com.ruoyi.common.core.redis.RedisCache;
 import com.ruoyi.common.utils.SendSmsUtils;
 import com.ruoyi.system.service.ISysUserService;
@@ -39,7 +38,7 @@ public class SendSmsController {
     @PostMapping("/sendLoginSms")
     @RepeatSubmit(interval = 1000, message = "请求过于频繁")
     public AjaxResult sendLoginSms(@RequestBody LoginBody user) {
-        String code = SendSmsUtils.getCode(4);
+        String code = SendSmsUtils.getCode(6);
         String username = user.getUsername();
         SysUser sysUser = sysUserService.selectUserByPhonenumber(username);
         if (sysUser != null){