diff --git a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/domain/BmsCustomerAttachment.java b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/domain/BmsCustomerAttachment.java
index e92dfe1e..85824455 100644
--- a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/domain/BmsCustomerAttachment.java
+++ b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/domain/BmsCustomerAttachment.java
@@ -19,12 +19,21 @@ public class BmsCustomerAttachment extends BaseEntity
 {
     private static final long serialVersionUID = 1L;
 
+    /** 业务模块：客户档案附件 */
+    public static final String BIZ_TYPE_CUSTOMER = "customer";
+
+    /** 业务模块：客户收款水单 */
+    public static final String BIZ_TYPE_CUSTOMER_RECEIPT = "customer_receipt";
+
     /** 附件ID */
     private Long attachmentId;
 
     /** 所属客户ID */
     private Long customerId;
 
+    /** 业务模块（customer客户档案附件 / customer_receipt客户收款水单），为空按客户档案处理 */
+    private String bizType;
+
     /** 文件原始名称 */
     @Excel(name = "文件名称")
     private String fileName;
@@ -43,11 +52,11 @@ public class BmsCustomerAttachment extends BaseEntity
     @Excel(name = "文件扩展名")
     private String fileExtension;
 
-    /** 附件类型（0附件资料 1客户Logo 2合同文件 3其他） */
+    /** 附件类型（文件分类：0附件资料 1客户Logo 2合同文件 3其他） */
     @Excel(name = "附件类型", readConverterExp = "0=附件资料,1=客户Logo,2=合同文件,3=其他")
     private String attachmentType;
 
-    /** 关联业务ID（如收款单ID，attachment_type=3 时使用） */
+    /** 关联业务ID（业务模块内的单据ID，如收款单ID） */
     private Long bizId;
 
     /** 是否Logo（0否 1是） */
diff --git a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/mapper/BmsCustomerMapper.java b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/mapper/BmsCustomerMapper.java
index c9165731..9815bfd0 100644
--- a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/mapper/BmsCustomerMapper.java
+++ b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/mapper/BmsCustomerMapper.java
@@ -95,6 +95,14 @@ public interface BmsCustomerMapper
      */
     public int deleteBmsCustomerAttachmentByCustomerId(Long customerId);
 
+    /**
+     * 按客户ID删除客户档案模块的附件（保留收款水单等其他业务模块附件）
+     *
+     * @param customerId 客户主键
+     * @return 结果
+     */
+    public int deleteBmsCustomerProfileAttachmentByCustomerId(Long customerId);
+
     /**
      * 批量删除客户附件
      *
diff --git a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/service/impl/BmsCustomerServiceImpl.java b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/service/impl/BmsCustomerServiceImpl.java
index c6456d50..5bf4ebdc 100644
--- a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/service/impl/BmsCustomerServiceImpl.java
+++ b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customerinfo/service/impl/BmsCustomerServiceImpl.java
@@ -41,6 +41,7 @@ public class BmsCustomerServiceImpl implements IBmsCustomerService
         {
             BmsCustomerAttachment query = new BmsCustomerAttachment();
             query.setCustomerId(customerId);
+            query.setBizType(BmsCustomerAttachment.BIZ_TYPE_CUSTOMER);
             bmsCustomer.setAttachmentList(bmsCustomerMapper.selectBmsCustomerAttachmentList(query));
             BmsCustomerCompany companyQuery = new BmsCustomerCompany();
             companyQuery.setCustomerId(customerId);
@@ -84,6 +85,7 @@ public class BmsCustomerServiceImpl implements IBmsCustomerService
         for (BmsCustomerAttachment item : attachmentList)
         {
             item.setCustomerId(customerId);
+            item.setBizType(BmsCustomerAttachment.BIZ_TYPE_CUSTOMER);
             if (item.getDelFlag() == null)
             {
                 item.setDelFlag("0");
@@ -241,8 +243,8 @@ public class BmsCustomerServiceImpl implements IBmsCustomerService
         SysUser user = SecurityUtils.getLoginUser().getUser();
         bmsCustomer.setUpdateTime(DateUtils.getNowDate());
         bmsCustomer.setUpdateBy(user.getUserName());
-        // 先逻辑删除原有附件，再按新列表重建（简化全量替换）
-        bmsCustomerMapper.deleteBmsCustomerAttachmentByCustomerId(bmsCustomer.getCustomerId());
+        // 仅重建客户档案模块的附件，收款水单等其他业务模块的附件保留不动
+        bmsCustomerMapper.deleteBmsCustomerProfileAttachmentByCustomerId(bmsCustomer.getCustomerId());
         if (bmsCustomer.getAttachmentList() != null)
         {
             for (BmsCustomerAttachment item : bmsCustomer.getAttachmentList())
diff --git a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customermoney/service/impl/CustomerMoneyServiceImpl.java b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customermoney/service/impl/CustomerMoneyServiceImpl.java
index f461a19c..3889c536 100644
--- a/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customermoney/service/impl/CustomerMoneyServiceImpl.java
+++ b/bms-back/ruoyi-system/src/main/java/com/ruoyi/customer/customermoney/service/impl/CustomerMoneyServiceImpl.java
@@ -68,6 +68,7 @@ public class CustomerMoneyServiceImpl implements ICustomerMoneyService
         if (receipt != null)
         {
             BmsCustomerAttachment query = new BmsCustomerAttachment();
+            query.setBizType(BmsCustomerAttachment.BIZ_TYPE_CUSTOMER_RECEIPT);
             query.setBizId(id);
             receipt.setAttachmentList(bmsCustomerMapper.selectBmsCustomerAttachmentList(query));
         }
@@ -134,7 +135,7 @@ public class CustomerMoneyServiceImpl implements ICustomerMoneyService
         receipt.setVersion(0);
         customerMoneyMapper.insertReceipt(receipt);
 
-        // 收款附件：复用客户附件表，类型挂"其他(3)"，biz_id 关联收款单
+        // 收款附件：复用客户附件表，业务模块挂 customer_receipt，biz_id 关联收款单
         saveReceiptAttachments(receipt);
         return 1;
     }
@@ -274,7 +275,7 @@ public class CustomerMoneyServiceImpl implements ICustomerMoneyService
             attachment.setAttachmentId(null);
             attachment.setCustomerId(receipt.getCustomerId());
             attachment.setBizId(receipt.getId());
-            attachment.setAttachmentType("3");
+            attachment.setBizType(BmsCustomerAttachment.BIZ_TYPE_CUSTOMER_RECEIPT);
             if (!StringUtils.hasText(attachment.getIsLogo()))
             {
                 attachment.setIsLogo("0");
diff --git a/bms-back/ruoyi-system/src/main/resources/mapper/customer/BmsCustomerMapper.xml b/bms-back/ruoyi-system/src/main/resources/mapper/customer/BmsCustomerMapper.xml
index 619d2f71..f5009886 100644
--- a/bms-back/ruoyi-system/src/main/resources/mapper/customer/BmsCustomerMapper.xml
+++ b/bms-back/ruoyi-system/src/main/resources/mapper/customer/BmsCustomerMapper.xml
@@ -92,6 +92,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <resultMap type="com.ruoyi.customer.customerinfo.domain.BmsCustomerAttachment" id="BmsCustomerAttachmentResult">
         <result property="attachmentId"    column="attachment_id"    />
         <result property="customerId"    column="customer_id"    />
+        <result property="bizType"    column="biz_type"    />
         <result property="fileName"    column="file_name"    />
         <result property="filePath"    column="file_path"    />
         <result property="fileSize"    column="file_size"    />
@@ -110,13 +111,14 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </resultMap>
 
     <sql id="selectBmsCustomerAttachmentVo">
-        select attachment_id, customer_id, file_name, file_path, file_size, file_type, file_extension, attachment_type, biz_id, is_logo, sort_order, remark, create_by, create_time, update_by, update_time, del_flag from bms_customer_attachment
+        select attachment_id, customer_id, biz_type, file_name, file_path, file_size, file_type, file_extension, attachment_type, biz_id, is_logo, sort_order, remark, create_by, create_time, update_by, update_time, del_flag from bms_customer_attachment
     </sql>
 
     <select id="selectBmsCustomerAttachmentList" parameterType="com.ruoyi.customer.customerinfo.domain.BmsCustomerAttachment" resultMap="BmsCustomerAttachmentResult">
         <include refid="selectBmsCustomerAttachmentVo"/>
         <where>
             <if test="customerId != null "> and customer_id = #{customerId}</if>
+            <if test="bizType != null and bizType != ''"> and ifnull(nullif(biz_type, ''), 'customer') = #{bizType}</if>
             <if test="fileName != null  and fileName != ''"> and file_name like concat('%', #{fileName}, '%')</if>
             <if test="attachmentType != null  and attachmentType != ''"> and attachment_type = #{attachmentType}</if>
             <if test="bizId != null"> and biz_id = #{bizId}</if>
@@ -130,6 +132,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         insert into bms_customer_attachment
         <trim prefix="(" suffix=")" suffixOverrides=",">
             <if test="customerId != null">customer_id,</if>
+            <if test="bizType != null">biz_type,</if>
             <if test="fileName != null">file_name,</if>
             <if test="filePath != null">file_path,</if>
             <if test="fileSize != null">file_size,</if>
@@ -146,6 +149,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </trim>
         <trim prefix="values (" suffix=")" suffixOverrides=",">
             <if test="customerId != null">#{customerId},</if>
+            <if test="bizType != null">#{bizType},</if>
             <if test="fileName != null">#{fileName},</if>
             <if test="filePath != null">#{filePath},</if>
             <if test="fileSize != null">#{fileSize},</if>
@@ -166,6 +170,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         update bms_customer_attachment
         <trim prefix="SET" suffixOverrides=",">
             <if test="customerId != null">customer_id = #{customerId},</if>
+            <if test="bizType != null">biz_type = #{bizType},</if>
             <if test="fileName != null">file_name = #{fileName},</if>
             <if test="filePath != null">file_path = #{filePath},</if>
             <if test="fileSize != null">file_size = #{fileSize},</if>
@@ -186,6 +191,13 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         update bms_customer_attachment set del_flag = '2' where customer_id = #{customerId}
     </delete>
 
+    <!-- 仅逻辑删除客户档案模块的附件，保留收款水单等其他业务模块的附件 -->
+    <update id="deleteBmsCustomerProfileAttachmentByCustomerId" parameterType="Long">
+        update bms_customer_attachment set del_flag = '2'
+        where customer_id = #{customerId}
+          and (biz_type = 'customer' or biz_type is null or biz_type = '')
+    </update>
+
     <delete id="deleteBmsCustomerAttachmentByAttachmentIds" parameterType="String">
         update bms_customer_attachment set del_flag = '2' where attachment_id in
         <foreach item="attachmentId" collection="attachmentIds" open="(" separator="," close=")">
diff --git a/bms-front/src/views/customersuppliermanagement/customerinfo/customeredit/index.vue b/bms-front/src/views/customersuppliermanagement/customerinfo/customeredit/index.vue
index f85eb700..cc9281a1 100644
--- a/bms-front/src/views/customersuppliermanagement/customerinfo/customeredit/index.vue
+++ b/bms-front/src/views/customersuppliermanagement/customerinfo/customeredit/index.vue
@@ -667,9 +667,8 @@ const uploadFileUrl = ref(baseUrl + '/common/upload')
 const uploadHeaders = ref({ Authorization: 'Bearer ' + getToken() })
 const attachmentTypeOptions = ref([
   { value: '0', label: '附件资料' },
-  { value: '1', label: '客户Logo' },
-  { value: '2', label: '合同文件' },
-  { value: '3', label: '其他' }
+  { value: '1', label: '合同文件' },
+  { value: '2', label: '其他' }
 ])
 const ATTACHMENT_SIZE_LIMIT = 50
 const ATTACHMENT_EXTENSIONS = ['pdf', 'jpg', 'jpeg', 'png', 'doc', 'docx', 'xls', 'xlsx', 'zip', 'rar']
@@ -711,6 +710,7 @@ function handleAttachmentUploadSuccess(res, file) {
     form.value.attachmentList.push({
       attachmentId: null,
       customerId: form.value.customerId || null,
+      bizType: 'customer',
       fileName: file.name,
       filePath: res.fileName,
       fileSize: file.size,
diff --git a/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/index.vue b/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/index.vue
index 0320fb74..82047fc9 100644
--- a/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/index.vue
+++ b/bms-front/src/views/customersuppliermanagement/customerinfo/customermoney/index.vue
@@ -332,7 +332,7 @@
                   </template>
                 </el-table-column>
               </el-table>
-              <div class="upload-tip">附件分类挂在「其他」类型下，支持 PDF/图片/Office/压缩包，单个不超过 50MB</div>
+              <div class="upload-tip">收款水单单独归档，不会显示在客户档案的附件资料中；支持 PDF/图片/Office/压缩包，单个不超过 50MB</div>
             </el-form-item>
           </el-col>
         </el-row>
@@ -372,7 +372,11 @@
       <div class="attach-title">收款凭证附件</div>
       <el-table :data="viewDialog.attachments" border size="small" max-height="240" v-loading="viewDialog.loading">
         <el-table-column label="序号" type="index" width="55" align="center" />
-        <el-table-column label="文件名称" prop="fileName" align="center" show-overflow-tooltip min-width="200" />
+        <el-table-column label="文件名称" prop="fileName" align="center" show-overflow-tooltip min-width="200">
+          <template #default="scope">
+            <el-button link type="primary" @click="handleDownload(scope.row)">{{ scope.row.fileName }}</el-button>
+          </template>
+        </el-table-column>
         <el-table-column label="大小" align="center" width="100">
           <template #default="scope">{{ formatFileSize(scope.row.fileSize) }}</template>
         </el-table-column>
@@ -786,13 +790,14 @@ function handleUploadSuccess(res, file) {
     receiptDialog.form.attachmentList.push({
       attachmentId: null,
       customerId: route.query.customerId || null,
+      bizType: "customer_receipt",
       bizId: null,
       fileName: file.name,
       filePath: res.fileName,
       fileSize: file.size,
       fileType: file.type || '',
       fileExtension: (file.name.split('.').pop() || "").toLowerCase(),
-      attachmentType: "3",
+      attachmentType: "0",
       isLogo: "0",
       sortOrder: receiptDialog.form.attachmentList.length,
       remark: "",