diff --git a/src/main/java/com/xujie/modules/srm/controller/SrmSupplierController.java b/src/main/java/com/xujie/modules/srm/controller/SrmSupplierController.java
index 9e99dde..6ecc12b 100644
--- a/src/main/java/com/xujie/modules/srm/controller/SrmSupplierController.java
+++ b/src/main/java/com/xujie/modules/srm/controller/SrmSupplierController.java
@@ -172,7 +172,7 @@ public class SrmSupplierController {
         return R.ok().put("rows", rows);
     }
 
-    /** 首页：资质文档 validTo 早于今天+7 天的供应商（当前用户可见），返回数量与 id 列表 */
+    /** 首页：资质文档 validTo 早于今天+1 个月的供应商（当前用户可见），返回数量与 id 列表 */
     @PostMapping(value = "/supplierDocExpireReminder")
     @ResponseBody
     public R supplierDocExpireReminder(@RequestBody(required = false) Map<String, Object> body) {
diff --git a/src/main/java/com/xujie/modules/srm/mapper/SrmSupplierMapper.java b/src/main/java/com/xujie/modules/srm/mapper/SrmSupplierMapper.java
index 4c48b42..70a5139 100644
--- a/src/main/java/com/xujie/modules/srm/mapper/SrmSupplierMapper.java
+++ b/src/main/java/com/xujie/modules/srm/mapper/SrmSupplierMapper.java
@@ -80,9 +80,9 @@ public interface SrmSupplierMapper extends BaseMapper<SrmSupplier> {
     List<Integer> selectContractRequestIdsWithContractValidToWithin7Days(@Param("site") String site);
 
     /**
-     * 文档清单中 validTo 在「今天+7天」之前（含即将过期与已过期）的供应商，返回有权限且可选 site 下的 srm_supplier.id
+     * 文档清单中 validTo 在「今天+1个月」之前（含即将过期与已过期）的供应商，返回有权限且可选 site 下的 srm_supplier.id
      */
-    List<Integer> selectSupplierIdsWithDocExpireWithin7Days(@Param("site") String site);
+    List<Integer> selectSupplierIdsWithDocExpireWithin1Month(@Param("site") String site);
 
     /**
      * 根据供应商名称查询供应商编码
diff --git a/src/main/java/com/xujie/modules/srm/service/SrmSupplierService.java b/src/main/java/com/xujie/modules/srm/service/SrmSupplierService.java
index 6ead89a..cc02f87 100644
--- a/src/main/java/com/xujie/modules/srm/service/SrmSupplierService.java
+++ b/src/main/java/com/xujie/modules/srm/service/SrmSupplierService.java
@@ -64,7 +64,7 @@ public interface SrmSupplierService {
     Map<String, Object> getSupplierContractRequestExpireReminder(String site);
 
     /**
-     * 首页提醒：当前用户可见供应商中，存在资质文档 validTo &lt; 今天+7天 的供应商数量及 id 列表
+     * 首页提醒：当前用户可见供应商中，存在资质文档 validTo &lt; 今天+1个月 的供应商数量及 id 列表
      *
      * @param site 可空；非空时仅统计该站点
      */
diff --git a/src/main/java/com/xujie/modules/srm/service/impl/SrmSupplierServiceImpl.java b/src/main/java/com/xujie/modules/srm/service/impl/SrmSupplierServiceImpl.java
index dae2504..08bd1de 100644
--- a/src/main/java/com/xujie/modules/srm/service/impl/SrmSupplierServiceImpl.java
+++ b/src/main/java/com/xujie/modules/srm/service/impl/SrmSupplierServiceImpl.java
@@ -432,7 +432,7 @@ public class SrmSupplierServiceImpl extends ServiceImpl<SrmSupplierMapper, SrmSu
     @Override
     public Map<String, Object> getSupplierDocExpireReminder(String site) {
         SysUserEntity user = (SysUserEntity) SecurityUtils.getSubject().getPrincipal();
-        List<Integer> ids = srmSupplierMapper.selectSupplierIdsWithDocExpireWithin7Days(site);
+        List<Integer> ids = srmSupplierMapper.selectSupplierIdsWithDocExpireWithin1Month(site);
         if (ids == null) {
             ids = Collections.emptyList();
         }
diff --git a/src/main/resources/mapper/srm/SrmSupplierMapper.xml b/src/main/resources/mapper/srm/SrmSupplierMapper.xml
index 523ffa1..b2f2ad5 100644
--- a/src/main/resources/mapper/srm/SrmSupplierMapper.xml
+++ b/src/main/resources/mapper/srm/SrmSupplierMapper.xml
@@ -532,8 +532,8 @@
             </if>
         </where>
     </select>
-    <!-- 资质/文档 validTo 早于「今天+7天」的供应商主键 id，已按权限与 site 过滤，distinct -->
-    <select id="selectSupplierIdsWithDocExpireWithin7Days" resultType="java.lang.Integer">
+    <!-- 资质/文档 validTo 早于「今天+1个月」的供应商主键 id，已按权限与 site 过滤，distinct -->
+    <select id="selectSupplierIdsWithDocExpireWithin1Month" resultType="java.lang.Integer">
         SELECT DISTINCT a.id
         FROM srm_supplier a
         INNER JOIN srm_document_list_definition d
@@ -541,7 +541,7 @@
         <where>
             d.objectType = 'supplier'
             AND d.validTo IS NOT NULL
-            AND d.validTo &lt; DATEADD(day, 7, CAST(GETDATE() AS DATE))
+            AND d.validTo &lt; DATEADD(month, 1, CAST(GETDATE() AS DATE))
             AND d.uploaded_flag = 'N'
             <if test="site != null and site != ''">
                 AND a.site = #{site}