添加获取验证码方法上遗漏的@Override注解

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java

 package com.ruoyi.system.service.impl;
 
-import java.util.Collection;
-import java.util.List;
-import javax.annotation.PostConstruct;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
 import com.ruoyi.common.annotation.DataSource;
 import com.ruoyi.common.constant.Constants;
 import com.ruoyi.common.constant.UserConstants;
@@ -16,6 +11,12 @@ import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.system.domain.SysConfig;
 import com.ruoyi.system.mapper.SysConfigMapper;
 import com.ruoyi.system.service.ISysConfigService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.PostConstruct;
+import java.util.Collection;
+import java.util.List;
 
 /**
  * 参数配置 服务层实现
@@ -85,6 +86,7 @@ public class SysConfigServiceImpl implements ISysConfigService
      * 
      * @return true开启，false关闭
      */
+    @Override
     public boolean selectCaptchaOnOff()
     {
         String captchaOnOff = selectConfigByKey("sys.account.captchaOnOff");