diff --git a/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/controller/DifficultHelpMineController.java b/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/controller/DifficultHelpMineController.java
index 3ddf72f..9df2e48 100644
--- a/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/controller/DifficultHelpMineController.java
+++ b/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/controller/DifficultHelpMineController.java
@@ -99,10 +99,13 @@ public class DifficultHelpMineController {
                 """);
         Cnd cnd = Cnd.NEW();
         pageParam.buildSearch(cnd, "info.");
-        if (StrUtil.isAllBlank(pageParam.getPageOrderName(), pageParam.getPageOrderBy())) {
+        // 排序字段必须经过 service 白名单校验，避免前端 pageOrderName 直接进入 ORDER BY。
+        String orderColumn = difficultHelpCommonService.getSafeMineOrderColumn(pageParam.getPageOrderName());
+        String orderBy = PageUtil.getOrder(pageParam.getPageOrderBy());
+        if (StrUtil.isBlank(orderColumn) || StrUtil.isBlank(orderBy)) {
             cnd.desc("info.applyTime");
         } else {
-            cnd.orderBy("info." + pageParam.getPageOrderName(), PageUtil.getOrder(pageParam.getPageOrderBy()));
+            cnd.orderBy(orderColumn, orderBy);
         }
         cnd.groupBy("info.id");
         sql.setCondition(cnd);
diff --git a/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/DifficultHelpCommonService.java b/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/DifficultHelpCommonService.java
index 34b6e29..4976498 100644
--- a/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/DifficultHelpCommonService.java
+++ b/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/DifficultHelpCommonService.java
@@ -11,4 +11,12 @@ import com.budwk.app.zhgh.staffbenefit.difficulthelp.models.DifficultHelpInfo;
  * @注释
  */
 public interface DifficultHelpCommonService extends BaseService<DifficultHelpInfo> {
+
+    /**
+     * 校验困难帮扶“我的申请”列表排序字段，并返回可用于 SQL 排序的安全字段名。
+     *
+     * @param pageOrderName 前端传入的排序字段
+     * @return 白名单内的 SQL 排序字段；不在白名单时返回空字符串
+     */
+    String getSafeMineOrderColumn(String pageOrderName);
 }
diff --git a/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/impl/DifficultHelpCommonServiceImpl.java b/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/impl/DifficultHelpCommonServiceImpl.java
index d6d1696..1d618d8 100644
--- a/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/impl/DifficultHelpCommonServiceImpl.java
+++ b/src/main/java/com/budwk/app/zhgh/staffbenefit/difficulthelp/service/impl/DifficultHelpCommonServiceImpl.java
@@ -1,5 +1,6 @@
 package com.budwk.app.zhgh.staffbenefit.difficulthelp.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.budwk.app.base.service.impl.BaseServiceImpl;
 import com.budwk.app.zhgh.staffbenefit.difficulthelp.models.DifficultHelpInfo;
 import com.budwk.app.zhgh.staffbenefit.difficulthelp.service.DifficultHelpCommonService;
@@ -19,4 +20,28 @@ public class DifficultHelpCommonServiceImpl extends BaseServiceImpl<DifficultHel
     public DifficultHelpCommonServiceImpl(Dao dao) {
         super(dao);
     }
+
+    /**
+     * 校验困难帮扶“我的申请”列表排序字段，避免前端参数直接拼接到 ORDER BY。
+     *
+     * @param pageOrderName 前端传入的排序字段
+     * @return 白名单内的 SQL 排序字段；不在白名单时返回空字符串
+     */
+    @Override
+    public String getSafeMineOrderColumn(String pageOrderName) {
+        if (StrUtil.isBlank(pageOrderName)) {
+            return "";
+        }
+
+        // 仅允许页面表格中存在的可排序字段参与 ORDER BY，未知字段交由 controller 回退默认排序。
+        return switch (pageOrderName) {
+            case "loginName" -> "info.loginName";
+            case "userName" -> "info.userName";
+            case "unionName" -> "info.unionName";
+            case "unitName" -> "info.unitName";
+            case "subsidyStandards" -> "info.subsidyStandards";
+            case "applyTime" -> "info.applyTime";
+            default -> "";
+        };
+    }
 }
diff --git a/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/apply/MemberApplyMineController.java b/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/apply/MemberApplyMineController.java
index a1c4d23..ccc6b85 100644
--- a/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/apply/MemberApplyMineController.java
+++ b/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/apply/MemberApplyMineController.java
@@ -108,10 +108,13 @@ public class MemberApplyMineController {
                 cnd.and("info.userId", "=", SecurityUtil.getUserId());
             }
         }
-        if (StrUtil.isAllBlank(pageForm.getPageOrderName(), pageForm.getPageOrderBy())) {
+        // 排序字段必须经过 service 白名单校验，避免前端 pageOrderName 直接进入 ORDER BY。
+        String orderColumn = memberCommonService.getSafeMineOrderColumn(pageForm.getPageOrderName());
+        String orderBy = PageUtil.getOrder(pageForm.getPageOrderBy());
+        if (StrUtil.isBlank(orderColumn) || StrUtil.isBlank(orderBy)) {
             cnd.desc("info.applyDateTime");
         } else {
-            cnd.orderBy("info." + pageForm.getPageOrderName(), PageUtil.getOrder(pageForm.getPageOrderBy()));
+            cnd.orderBy(orderColumn, orderBy);
         }
         cnd.groupBy("t.id");
         sql.setCondition(cnd);
diff --git a/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/change/MemberChangeMineController.java b/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/change/MemberChangeMineController.java
index 8dbe211..8874786 100644
--- a/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/change/MemberChangeMineController.java
+++ b/src/main/java/com/budwk/app/zhgh/staffmanage/member/controller/change/MemberChangeMineController.java
@@ -111,10 +111,13 @@ public class MemberChangeMineController {
                 cnd.and("info.userId", "=", SecurityUtil.getUserId());
             }
         }
-        if (StrUtil.isAllBlank(pageForm.getPageOrderName(), pageForm.getPageOrderBy())) {
+        // 排序字段必须经过 service 白名单校验，避免前端 pageOrderName 直接进入 ORDER BY。
+        String orderColumn = memberCommonService.getSafeMineOrderColumn(pageForm.getPageOrderName());
+        String orderBy = PageUtil.getOrder(pageForm.getPageOrderBy());
+        if (StrUtil.isBlank(orderColumn) || StrUtil.isBlank(orderBy)) {
             cnd.desc("info.applyDateTime");
         } else {
-            cnd.orderBy("info." + pageForm.getPageOrderName(), PageUtil.getOrder(pageForm.getPageOrderBy()));
+            cnd.orderBy(orderColumn, orderBy);
         }
         cnd.groupBy("t.id");
         sql.setCondition(cnd);
diff --git a/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/MemberCommonService.java b/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/MemberCommonService.java
index 4b2879d..72f8a28 100644
--- a/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/MemberCommonService.java
+++ b/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/MemberCommonService.java
@@ -115,4 +115,12 @@ public interface MemberCommonService extends BaseService<Sys_user> {
      * @param type    类型： apply or change
      */
     void validateApplyOrChangeIsDoing(String userId, String type);
+
+    /**
+     * 校验会员申请、会员变更“我的申请”列表排序字段，并返回可用于 SQL 排序的安全字段名。
+     *
+     * @param pageOrderName 前端传入的排序字段
+     * @return 白名单内的 SQL 排序字段；不在白名单时返回空字符串
+     */
+    String getSafeMineOrderColumn(String pageOrderName);
 }
diff --git a/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/impl/MemberManageServiceImpl.java b/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/impl/MemberManageServiceImpl.java
index e93ca2f..29c3f73 100644
--- a/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/impl/MemberManageServiceImpl.java
+++ b/src/main/java/com/budwk/app/zhgh/staffmanage/member/service/impl/MemberManageServiceImpl.java
@@ -546,6 +546,36 @@ public class MemberManageServiceImpl extends BaseServiceImpl<Sys_user> implement
 
     }
 
+    /**
+     * 校验会员申请、会员变更“我的申请”列表排序字段，避免前端参数直接拼接到 ORDER BY。
+     *
+     * @param pageOrderName 前端传入的排序字段
+     * @return 白名单内的 SQL 排序字段；不在白名单时返回空字符串
+     */
+    @Override
+    public String getSafeMineOrderColumn(String pageOrderName) {
+        if (StrUtil.isBlank(pageOrderName)) {
+            return "";
+        }
+
+        // 仅允许页面表格中存在的可排序字段参与 ORDER BY，未知字段交由 controller 回退默认排序。
+        return switch (pageOrderName) {
+            case "loginName" -> "info.loginName";
+            case "userName" -> "info.userName";
+            case "loginname" -> "info.loginname";
+            case "username" -> "info.username";
+            case "sex" -> "info.sex";
+            case "userState" -> "info.userState";
+            case "personType" -> "info.personType";
+            case "preparedBy" -> "info.preparedBy";
+            case "unionName" -> "info.unionName";
+            case "unitName" -> "info.unitName";
+            case "changeTypes" -> "info.changeTypes";
+            case "applyDateTime" -> "info.applyDateTime";
+            default -> "";
+        };
+    }
+
 
     private String booleanVerification(Object value) {
         // 检查是否为null或空字符串