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 54302162..95315817 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
@@ -1225,6 +1225,10 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
         if (isBlank(data.getSite()) || data.getProjectId() == null || data.getProjectPartId() == null) {
             throw new RuntimeException("site/projectId/projectPartId 不能为空");
         }
+        // 新增打样只强制项目阶段；单号、数量、开始日期等留空时按空值保存，不再补默认值。
+        if (isBlank(data.getProjectPhase())) {
+            throw new RuntimeException("项目阶段不能为空");
+        }
 
         // 新增打样必须新建 tracking 记录，不能覆盖来源记录
         ProofTrackingData newTracking = new ProofTrackingData();
@@ -1256,14 +1260,12 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
             trackingData.setPriorityLevel(data.getPriorityLevel());
         }
 
-        String proofingNo = isBlank(data.getProofingNo()) ? buildDefaultProofingNo(trackingData) : data.getProofingNo().trim();
-
-        trackingData.setProofingNo(proofingNo);
-        trackingData.setProofingNumber(data.getProofingNumber() == null ? 1 : data.getProofingNumber());
-        trackingData.setProjectPhase(isBlank(data.getProjectPhase()) ? "Sample" : data.getProjectPhase());
-        trackingData.setProofingStatus(isBlank(data.getProofingStatus()) ? "进行中" : data.getProofingStatus());
+        trackingData.setProofingNo(isBlank(data.getProofingNo()) ? null : data.getProofingNo().trim());
+        trackingData.setProofingNumber(data.getProofingNumber());
+        trackingData.setProjectPhase(data.getProjectPhase().trim());
+        trackingData.setProofingStatus(isBlank(data.getProofingStatus()) ? null : data.getProofingStatus().trim());
         trackingData.setRemark(data.getRemark());
-        trackingData.setPlanStartDate(data.getPlanStartDate() == null ? new Date() : data.getPlanStartDate());
+        trackingData.setPlanStartDate(data.getPlanStartDate());
         if (data.getRequiredDeliveryDate() != null) {
             trackingData.setRequiredDeliveryDate(data.getRequiredDeliveryDate());
         }
@@ -3075,13 +3077,6 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
         }
     }
 
-    private String buildDefaultProofingNo(ProofTrackingData data) {
-        String projectNo = isBlank(data.getProjectNo()) ? "PRJ" : data.getProjectNo().trim();
-        String partNo = isBlank(data.getTestPartNo()) ? "PART" : data.getTestPartNo().trim();
-        String suffix = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
-        return projectNo + "-" + partNo + "-" + suffix;
-    }
-
     private List<ProofTrackingProcessColumnData> loadProcessColumnsBySite(String site, String buNo) {
         String normalizedSite = isBlank(site) ? "" : site.trim();
         String normalizedBuNo = normalizeBuNo(buNo, normalizedSite);
diff --git a/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml b/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
index f3b7b74c..686dec82 100644
--- a/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
+++ b/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
@@ -558,15 +558,15 @@
     <update id="updateTrackingProofingInfo">
         UPDATE plm_proofing_information_tracking
         SET proofing_id = #{proofingId},
-            proofing_no = #{proofingNo},
-            proofing_number = #{proofingNumber},
+            proofing_no = #{proofingNo,jdbcType=VARCHAR},
+            proofing_number = #{proofingNumber,jdbcType=INTEGER},
             plan_start_date = #{planStartDate,jdbcType=DATE},
             required_delivery_date = #{requiredDeliveryDate,jdbcType=DATE},
             baseline = #{baseline,jdbcType=DATE},
             pm_inquery_time = #{pmInqueryTime,jdbcType=DATE},
-            importance = #{importance},
-            project_phase = #{projectPhase},
-            proofing_status = #{proofingStatus},
+            importance = #{importance,jdbcType=NVARCHAR},
+            project_phase = #{projectPhase,jdbcType=NVARCHAR},
+            proofing_status = #{proofingStatus,jdbcType=NVARCHAR},
             update_date = GETDATE(),
             update_by = #{updateBy}
         WHERE id = #{trackingId}