diff --git a/pjcloud-thirdparty/pjcloud-thirdparty-api/src/main/java/com/bsd/pjcloud/thirdparty/dto/ZzdDingtalkAppUserRaw.java b/pjcloud-thirdparty/pjcloud-thirdparty-api/src/main/java/com/bsd/pjcloud/thirdparty/dto/ZzdDingtalkAppUserRaw.java
new file mode 100644
index 000000000..d9faf6137
--- /dev/null
+++ b/pjcloud-thirdparty/pjcloud-thirdparty-api/src/main/java/com/bsd/pjcloud/thirdparty/dto/ZzdDingtalkAppUserRaw.java
@@ -0,0 +1,36 @@
+package com.bsd.pjcloud.thirdparty.dto;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 浙政钉开放平台 {@code /rpc/oauth2/dingtalk_app_user.json} 返回的 data 段（文档字段名与线上实际 key 可能为驼峰或下划线）。
+ * <p>
+ * 由业务层从开放平台 JSON 解析填入，再统一映射为 {@link ZZDUserDTO}。
+ */
+@Data
+public class ZzdDingtalkAppUserRaw implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	private String lastName;
+
+	private String nickNameCn;
+
+	private String mobile;
+
+	private Integer organizationId;
+
+	private Long accountId;
+
+	private String account;
+
+	private String employeeCode;
+
+	private String openid;
+
+	private String realmId;
+
+	private String organizationCode;
+}
diff --git a/pjcloud-thirdparty/pjcloud-thirdparty-biz/src/main/java/com/bsd/pjcloud/thirdparty/service/ThirdPartyOAuth2Service.java b/pjcloud-thirdparty/pjcloud-thirdparty-biz/src/main/java/com/bsd/pjcloud/thirdparty/service/ThirdPartyOAuth2Service.java
index 8b8849c69..578f5e954 100644
--- a/pjcloud-thirdparty/pjcloud-thirdparty-biz/src/main/java/com/bsd/pjcloud/thirdparty/service/ThirdPartyOAuth2Service.java
+++ b/pjcloud-thirdparty/pjcloud-thirdparty-biz/src/main/java/com/bsd/pjcloud/thirdparty/service/ThirdPartyOAuth2Service.java
@@ -455,7 +455,12 @@ public class ThirdPartyOAuth2Service {
             req.setAuth_code(authCode);
             OapiRpcOauth2DingtalkAppUserJsonResponse resp = postClient.post(req);
             zzdAssertSdkTopSuccess(resp, "dingtalk_app_user");
-            JSONObject data = zzdSdkDingtalkAppUserContentData(resp.getContent());
+            String rawContent = resp.getContent();
+            log.info("浙政钉 dingtalk_app_user 原始响应 content={}", rawContent);
+            JSONObject bodyData = zzdSdkDingtalkAppUserContentData(rawContent);
+            log.info("浙政钉 dingtalk_app_user 解析后(展开嵌套前) data={}", bodyData != null ? bodyData.toJSONString() : "null");
+            JSONObject data = zzdUnwrapAppUserPayload(bodyData);
+            log.info("浙政钉 dingtalk_app_user 展开嵌套后用户 JSON={}", data != null ? data.toJSONString() : "null");
             ZZDUserDTO dto = mapOpenPlatformUserToZzdDto(data);
             if (StringUtils.hasText(zzdOpenPlatform.getTenantId()) && dto.getExt() != null
                     && StringUtils.hasText(dto.getExt().getRealmId())
@@ -514,49 +519,148 @@ public class ThirdPartyOAuth2Service {
         return content;
     }
 
+    /**
+     * 部分网关/版本将用户信息放在 {@code user} 或 {@code result} 下，与文档顶层字段不一致时先展开。
+     */
+    private static JSONObject zzdUnwrapAppUserPayload(JSONObject root) {
+        if (root == null) {
+            return null;
+        }
+        String[] nestedKeys = {"user", "result", "data", "body"};
+        for (String nk : nestedKeys) {
+            Object inner = root.get(nk);
+            if (inner instanceof JSONObject) {
+                JSONObject jo = (JSONObject) inner;
+                if (!jo.isEmpty()) {
+                    return jo;
+                }
+            }
+        }
+        return root;
+    }
+
+    private static String zzdPickString(JSONObject o, String... keys) {
+        if (o == null || keys == null) {
+            return null;
+        }
+        for (String k : keys) {
+            if (k == null || !o.containsKey(k)) {
+                continue;
+            }
+            Object val = o.get(k);
+            if (val == null) {
+                continue;
+            }
+            if (val instanceof String) {
+                String s = ((String) val).trim();
+                if (StringUtils.hasText(s)) {
+                    return s;
+                }
+            } else {
+                String s = val.toString().trim();
+                if (StringUtils.hasText(s)) {
+                    return s;
+                }
+            }
+        }
+        return null;
+    }
+
+    private static Integer zzdPickIntObject(JSONObject o, String... keys) {
+        if (o == null) {
+            return null;
+        }
+        for (String k : keys) {
+            if (!o.containsKey(k)) {
+                continue;
+            }
+            Object v = o.get(k);
+            if (v instanceof Number) {
+                return ((Number) v).intValue();
+            }
+            if (v != null) {
+                try {
+                    return Integer.parseInt(v.toString().trim());
+                } catch (NumberFormatException ignored) {
+                }
+            }
+        }
+        return null;
+    }
+
+    private static Long zzdPickLongObject(JSONObject o, String... keys) {
+        if (o == null) {
+            return null;
+        }
+        for (String k : keys) {
+            if (!o.containsKey(k)) {
+                continue;
+            }
+            Object v = o.get(k);
+            if (v instanceof Number) {
+                return ((Number) v).longValue();
+            }
+            if (v != null) {
+                try {
+                    return Long.parseLong(v.toString().trim());
+                } catch (NumberFormatException ignored) {
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 将开放平台 data JSON 解析为实体，兼容驼峰/下划线及常见别名，再映射为 {@link ZZDUserDTO}。
+     */
+    private static ZzdDingtalkAppUserRaw parseZzdDingtalkAppUserRaw(JSONObject data) {
+        ZzdDingtalkAppUserRaw raw = new ZzdDingtalkAppUserRaw();
+        raw.setLastName(zzdPickString(data, "lastName", "last_name"));
+        raw.setNickNameCn(zzdPickString(data, "nickNameCn", "nick_name_cn", "nickName", "nick_name"));
+        raw.setMobile(zzdPickString(data, "mobile", "phone", "telephone"));
+        raw.setOrganizationId(zzdPickIntObject(data, "organizationId", "organization_id", "orgId"));
+        raw.setAccountId(zzdPickLongObject(data, "accountId", "account_id", "tenantUserId", "tenant_user_id"));
+        raw.setAccount(zzdPickString(data, "account", "loginId", "login_id", "loginid"));
+        String employeeCode = zzdPickString(data, "employeeCode", "employee_code", "empId", "emp_id", "jobNumber", "job_number", "staffId", "staff_id");
+        if (!StringUtils.hasText(employeeCode)) {
+            employeeCode = raw.getAccount();
+        }
+        raw.setEmployeeCode(employeeCode);
+        raw.setOpenid(zzdPickString(data, "openid", "openId", "open_id", "id"));
+        raw.setRealmId(zzdPickString(data, "realmId", "realm_id"));
+        raw.setOrganizationCode(zzdPickString(data, "organizationCode", "organization_code", "orgCode", "org_code"));
+        return raw;
+    }
+
     private static ZZDUserDTO mapOpenPlatformUserToZzdDto(JSONObject data) {
+        ZzdDingtalkAppUserRaw raw = parseZzdDingtalkAppUserRaw(data);
         ZZDUserDTO dto = new ZZDUserDTO();
-        String lastName = data.getString("lastName");
-        String nickCn = data.getString("nickNameCn");
+        String lastName = raw.getLastName();
+        String nickCn = raw.getNickNameCn();
         dto.setUsername(lastName != null ? lastName : nickCn);
         dto.setNickName(lastName != null ? lastName : nickCn);
-        dto.setMobile(data.getString("mobile"));
+        dto.setMobile(raw.getMobile());
         dto.setRegionCode(null);
-        Object orgId = data.get("organizationId");
-        if (orgId instanceof Number) {
-            dto.setOrganizationId(((Number) orgId).intValue());
+        if (raw.getOrganizationId() != null) {
+            dto.setOrganizationId(raw.getOrganizationId());
         } else {
             dto.setOrganizationId(0);
         }
-        Object accountId = data.get("accountId");
         int userId = 0;
-        if (accountId instanceof Number) {
-            long lv = ((Number) accountId).longValue();
+        if (raw.getAccountId() != null) {
+            long lv = raw.getAccountId();
             if (lv <= Integer.MAX_VALUE && lv >= Integer.MIN_VALUE) {
                 userId = (int) lv;
             }
-        } else if (accountId != null) {
-            try {
-                long lv = Long.parseLong(accountId.toString());
-                if (lv <= Integer.MAX_VALUE && lv >= Integer.MIN_VALUE) {
-                    userId = (int) lv;
-                }
-            } catch (NumberFormatException ignored) {
-            }
         }
         dto.setUserId(userId);
         ZZDUserDTO.Ext ext = dto.new Ext();
-        String employeeCode = data.getString("employeeCode");
-        if (!StringUtils.hasText(employeeCode)) {
-            employeeCode = data.getString("account");
-        }
-        ext.setEmployeeCode(employeeCode);
-        ext.setOrganizationCode(data.getString("organizationCode"));
+        ext.setEmployeeCode(raw.getEmployeeCode());
+        ext.setOrganizationCode(raw.getOrganizationCode());
         ext.setNickNameCn(nickCn);
-        ext.setOpenid(data.getString("openid"));
-        Object realm = data.get("realmId");
-        ext.setRealmId(realm == null ? null : realm.toString());
-        ext.setMobile(data.getString("mobile"));
+        ext.setOpenid(raw.getOpenid());
+        ext.setRealmId(raw.getRealmId());
+        ext.setMobile(raw.getMobile());
         dto.setExt(ext);
         return dto;
     }