登录获取极验异常时的NPE处理

src/main/java/cn/quantgroup/xyqb/service/v2/GeetestBehaviorStrategy.java

@@ -14,6 +14,7 @@ import cn.quantgroup.xyqb.service.captcha.IGeetestCaptchaService;
 import cn.quantgroup.xyqb.service.captcha.IGeetestLogService;
 import cn.quantgroup.xyqb.service.captcha.IQuantgroupCaptchaService;
 import cn.quantgroup.xyqb.util.PasswordUtil;
+import com.google.common.collect.Maps;
 import org.apache.commons.lang.StringUtils;
 import org.springframework.stereotype.Service;
 
@@ -63,7 +64,6 @@ public class GeetestBehaviorStrategy implements BehaviorStrategy {
         return (boolean) result.get("valid");
     }
 
-
     @Override
     public BehaviorCodeBean generate(BehaviorReq behaviorReq) {
         BehaviorCodeBean behaviorCodeBean = new BehaviorCodeBean();
@@ -83,6 +83,8 @@ public class GeetestBehaviorStrategy implements BehaviorStrategy {
             imgMap = geetestCaptchaService.fetchGeetestCaptcha(PasswordUtil.MD5(key), behaviorReq.getIp(), ClientType.valueByCode(behaviorReq.getClientType()));
         }
 
+        imgMap = imgMap == null ? Maps.newHashMap() : imgMap;
+
         if (imgMap.containsKey("success") && "1".equals(imgMap.get("success"))) {
             behaviorCodeBean.setType(1);
             behaviorCodeBean.setGeetestCode(BehaviorCodeBean.GeetestCode.builder().gt(imgMap.get("gt"))