fix an issue.(batch query)

src/main/java/cn/quantgroup/xyqb/model/UserBean.java

@@ -43,27 +43,28 @@ public class UserBean {
 
     public static List<UserBean> from(List<User> userList, List<WechatUserInfo> wechatUserInfoList) {
         List<UserBean> result = new ArrayList<>();
-        userList.forEach(user -> {
-            UserBean userBean = new UserBean();
-            userBean.setUserId(user.getId());
-            userBean.setPhoneNo(user.getPhoneNo());
-            userBean.setRegisteredFrom(user.getRegisteredFrom());
-            userBean.setUuid(user.getUuid());
-            userBean.setEnable(user.getEnable());
-            userBean.setTenantId(user.getTenantId());
-            if (CollectionUtils.isNotEmpty(wechatUserInfoList)) {
-                Optional<WechatUserInfo> optionalWechatUserInfo = wechatUserInfoList.stream().filter(i -> i.getUserId().equals(user.getId())).findFirst();
+        if (CollectionUtils.isNotEmpty(userList)) {
+            userList.forEach(user -> {
+                UserBean userBean = new UserBean();
+                userBean.setUserId(user.getId());
+                userBean.setPhoneNo(user.getPhoneNo());
+                userBean.setRegisteredFrom(user.getRegisteredFrom());
+                userBean.setUuid(user.getUuid());
+                userBean.setEnable(user.getEnable());
+                userBean.setTenantId(user.getTenantId());
+                if (CollectionUtils.isNotEmpty(wechatUserInfoList)) {
+                    Optional<WechatUserInfo> optionalWechatUserInfo = wechatUserInfoList.stream().filter(i -> i.getUserId().equals(user.getId())).findFirst();
 
-                if (optionalWechatUserInfo.isPresent()) {
-                    WechatUserInfo wechatUserInfo = optionalWechatUserInfo.get();
-                    userBean.setOpenId(wechatUserInfo.getOpenId());
-                    userBean.setUnionId(wechatUserInfo.getUnionId());
-                    userBean.setAppId(wechatUserInfo.getAppId());
+                    if (optionalWechatUserInfo.isPresent()) {
+                        WechatUserInfo wechatUserInfo = optionalWechatUserInfo.get();
+                        userBean.setOpenId(wechatUserInfo.getOpenId());
+                        userBean.setUnionId(wechatUserInfo.getUnionId());
+                        userBean.setAppId(wechatUserInfo.getAppId());
+                    }
                 }
-            }
-            result.add(userBean);
-        });
-
+                result.add(userBean);
+            });
+        }
         return result;
     }
 }