diff --git a/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleTrackingServiceImpl.java b/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleTrackingServiceImpl.java
index add6907e..edde99a3 100644
--- a/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleTrackingServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/sampletracking/service/impl/SampleTrackingServiceImpl.java
@@ -676,7 +676,8 @@ public class SampleTrackingServiceImpl implements SampleTrackingService {
             return;
         }
         if (isBlank(data.getProofingStatus())) {
-            data.setProofingStatus("进行中");
+            // 业务约束：打样同步到 NPI 时保持“草稿”，避免被动进入“进行中”触发下游通知流程。
+            data.setProofingStatus("草稿");
         }
         if (isBlank(data.getProjectPhase())) {
             data.setProjectPhase("Sample");