diff --git a/litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/service/WxOrderService.java b/litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/service/WxOrderService.java
index 739a0d04c95b4796b60674c39e19818716f2a1d8..d83b51b8c5f7adcb7768c8477e678d9e612de01c 100644
--- a/litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/service/WxOrderService.java
+++ b/litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/service/WxOrderService.java
@@ -290,8 +290,13 @@ public class WxOrderService {
                 }
                 // （2）不允许参加自己开团的团购
                 LitemallGroupon groupon = grouponService.queryById(userId, grouponLinkId);
-                if(groupon.getCreatorUserId().equals(userId)){
-                    return ResponseUtil.fail(GROUPON_JOIN, "团购活动已经参加!");
+                // if(groupon.getCreatorUserId().equals(userId)){
+                //     return ResponseUtil.fail(GROUPON_JOIN, "团购活动已经参加!");
+                // }
+                if(groupon!=null) {
+	                if(groupon.getCreatorUserId().equals(userId)){
+	                    return ResponseUtil.fail(GROUPON_JOIN, "团购活动已经参加!");
+	                }
                 }
             }
         }