diff --git a/lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/controller/WechatLoginController.java b/lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/controller/WechatLoginController.java
index 6caeb8ab..a177b81f 100755
--- a/lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/controller/WechatLoginController.java
+++ b/lib/EmergencyService/zdxtEmergencyKnowledgeService/src/main/java/com/zdxt/knowledge/controller/WechatLoginController.java
@@ -131,7 +131,7 @@ public class WechatLoginController extends BaseController {
             // 判断用户是否已拥有该勋章
             WechatUser user = wechatService.selectUserById(wechatUser.getGuid());
             String medalStr = user.getMedal();
-            if (Objects.nonNull(medalObj) && medalStr.contains(medalObj.getGuid())) {
+            if (Objects.nonNull(medalObj) && StringUtils.isNotEmpty(medalStr) && medalStr.contains(medalObj.getGuid())) {
                 // 已拥有直接返回
                 return ZDResponse.success("0", null);
             }