diff --git a/src/main/java/com/xujie/sys/modules/sampletracking/data/ProofTrackingData.java b/src/main/java/com/xujie/sys/modules/sampletracking/data/ProofTrackingData.java
index c4a4da36..cccb233e 100644
--- a/src/main/java/com/xujie/sys/modules/sampletracking/data/ProofTrackingData.java
+++ b/src/main/java/com/xujie/sys/modules/sampletracking/data/ProofTrackingData.java
@@ -139,6 +139,11 @@ public class ProofTrackingData extends QueryPage {
 
     private String proofingNo;
     private String proofingStatus;
+    /**
+     * 查询专用：打样状态多选。不落库，避免覆盖单条记录的 proofingStatus。
+     */
+    @TableField(exist = false)
+    private List<String> proofingStatusList;
     @TableField(exist = false)
     private String projectPartSyncFlag;
     @TableField(exist = false)
diff --git a/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleProofTrackingServiceImpl.java b/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleProofTrackingServiceImpl.java
index 54260f21..652f6b3f 100644
--- a/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleProofTrackingServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleProofTrackingServiceImpl.java
@@ -81,6 +81,7 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
 
     @Override
     public PageUtils searchProofTracking(ProofTrackingData data) {
+        normalizeSearchProofingStatusFilters(data);
         long page = data.getPage() <= 0 ? 1 : data.getPage();
         long limit = data.getLimit() <= 0 ? 20 : data.getLimit();
         IPage<ProofTrackingData> result =
@@ -107,6 +108,7 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
         if (data == null) {
             throw new RuntimeException("导出参数不能为空");
         }
+        normalizeSearchProofingStatusFilters(data);
         if (isBlank(data.getSite())) {
             throw new RuntimeException("工厂不能为空");
         }
@@ -2759,6 +2761,37 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
         return "system";
     }
 
+    private void normalizeSearchProofingStatusFilters(ProofTrackingData data) {
+        if (data == null) {
+            return;
+        }
+        if (!isBlank(data.getProofingStatus())) {
+            data.setProofingStatus(data.getProofingStatus().trim());
+        } else {
+            data.setProofingStatus(null);
+        }
+        List<String> sourceStatusList = data.getProofingStatusList();
+        if (sourceStatusList == null || sourceStatusList.isEmpty()) {
+            data.setProofingStatusList(null);
+            return;
+        }
+        List<String> normalizedStatusList = new ArrayList<>();
+        Set<String> usedStatusSet = new LinkedHashSet<>();
+        for (String oneStatus : sourceStatusList) {
+            if (isBlank(oneStatus)) {
+                continue;
+            }
+            String normalizedStatus = oneStatus.trim();
+            String statusKey = normalizedStatus.toLowerCase();
+            if (usedStatusSet.contains(statusKey)) {
+                continue;
+            }
+            usedStatusSet.add(statusKey);
+            normalizedStatusList.add(normalizedStatus);
+        }
+        data.setProofingStatusList(normalizedStatusList.isEmpty() ? null : normalizedStatusList);
+    }
+
     private boolean isBlank(String value) {
         return value == null || value.trim().isEmpty();
     }
diff --git a/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml b/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
index ed3c8e3c..a7ae45ee 100644
--- a/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
+++ b/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
@@ -109,7 +109,13 @@
             <if test="query.proofingNo != null and query.proofingNo != ''">
                 and UPPER(t.proofing_no) like '%' + UPPER(#{query.proofingNo}) + '%'
             </if>
-            <if test="query.proofingStatus != null and query.proofingStatus != ''">
+            <if test="query.proofingStatusList != null and query.proofingStatusList.size > 0">
+                and t.proofing_status in
+                <foreach collection="query.proofingStatusList" item="status" open="(" separator="," close=")">
+                    #{status}
+                </foreach>
+            </if>
+            <if test="(query.proofingStatusList == null or query.proofingStatusList.size == 0) and query.proofingStatus != null and query.proofingStatus != ''">
                 and t.proofing_status = #{query.proofingStatus}
             </if>
             <if test="query.projectPartSyncFlag != null and query.projectPartSyncFlag != ''">