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 22cdce90..2372a080 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
@@ -182,15 +182,25 @@ public class ProofTrackingData extends QueryPage {
      */
     private String importance;
     /**
-     * 打样完成日期所在年。口径为 actuality_delivery_date（打样完成时回写）。
+     * Sample making Year：优先取实际完成日期 actuality_delivery_date，为空取预计完成日期 required_delivery_date。
      */
     @TableField(exist = false)
     private Integer sampleMakingYear;
     /**
-     * 打样完成日期所在月。口径与 sampleMakingYear 相同。
+     * Sample making Month：日期取值口径与 sampleMakingYear 相同。
      */
     @TableField(exist = false)
     private Integer sampleMakingMonth;
+    /** 查询专用：Sample making Date 起始日期（含当天），实际完成优先、预计完成兜底。 */
+    @TableField(exist = false)
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    @JsonFormat(pattern = "yyyy-MM-dd", timezone = "GMT+8")
+    private Date sampleMakingDateStart;
+    /** 查询专用：Sample making Date 结束日期（含当天）。 */
+    @TableField(exist = false)
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    @JsonFormat(pattern = "yyyy-MM-dd", timezone = "GMT+8")
+    private Date sampleMakingDateEnd;
     /**
      * Sample LT = 打样完成日期 - 打样开始日期，单位天。
      */
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 44e7baff..0e637064 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
@@ -97,6 +97,7 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
 
     @Override
     public PageUtils searchProofTracking(ProofTrackingData data) {
+        validateSampleMakingDateRange(data);
         normalizeSearchProofingStatusFilters(data);
         long page = data.getPage() <= 0 ? 1 : data.getPage();
         long limit = data.getLimit() <= 0 ? 20 : data.getLimit();
@@ -124,6 +125,7 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
         if (data == null) {
             throw new RuntimeException("导出参数不能为空");
         }
+        validateSampleMakingDateRange(data);
         normalizeSearchProofingStatusFilters(data);
         if (isBlank(data.getSite())) {
             throw new RuntimeException("工厂不能为空");
@@ -3031,6 +3033,13 @@ public class SampleProofTrackingServiceImpl implements SampleProofTrackingServic
         return "system";
     }
 
+    private void validateSampleMakingDateRange(ProofTrackingData data) {
+        if (data != null && data.getSampleMakingDateStart() != null && data.getSampleMakingDateEnd() != null
+                && data.getSampleMakingDateStart().after(data.getSampleMakingDateEnd())) {
+            throw new IllegalArgumentException("Sample making Date 开始日期不能晚于结束日期");
+        }
+    }
+
     private void normalizeSearchProofingStatusFilters(ProofTrackingData data) {
         if (data == null) {
             return;
diff --git a/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml b/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
index 54ab7ac5..0d99aca6 100644
--- a/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
+++ b/src/main/resources/mapper/sampletracking/SampleProofTrackingMapper.xml
@@ -22,9 +22,9 @@
             t.proofing_number AS sampleQty,
             t.pm_inquery_time,
             t.importance,
-            -- 打样完成日期口径：actuality_delivery_date（DeliveryPackage 完成时回写），未完成则为空。
-            CASE WHEN t.required_delivery_date IS NULL THEN NULL ELSE YEAR(t.required_delivery_date) END AS sampleMakingYear,
-            CASE WHEN t.required_delivery_date IS NULL THEN NULL ELSE MONTH(t.required_delivery_date) END AS sampleMakingMonth,
+            -- 实际完成日期优先；为空时使用预计完成日期，与 Sample making Date 筛选保持一致。
+            YEAR(COALESCE(t.actuality_delivery_date, t.required_delivery_date)) AS sampleMakingYear,
+            MONTH(COALESCE(t.actuality_delivery_date, t.required_delivery_date)) AS sampleMakingMonth,
             CASE
                 WHEN t.actuality_delivery_date IS NULL OR t.plan_start_date IS NULL THEN NULL
                 ELSE DATEDIFF(DAY, t.plan_start_date, t.actuality_delivery_date)
@@ -187,14 +187,12 @@
             <if test="query.endDate != null">
                 and #{query.endDate,jdbcType=DATE} >= t.plan_start_date
             </if>
-            <if test="query.sampleMakingYear != null">
-                <!-- 无打样完成日期的记录不能按年/月命中，避免把未完成单据算进完成年/月。 -->
-                and t.actuality_delivery_date is not null
-                and YEAR(t.actuality_delivery_date) = #{query.sampleMakingYear}
+            <if test="query.sampleMakingDateStart != null">
+                and COALESCE(t.actuality_delivery_date, t.required_delivery_date) >= #{query.sampleMakingDateStart,jdbcType=DATE}
             </if>
-            <if test="query.sampleMakingMonth != null">
-                and t.actuality_delivery_date is not null
-                and MONTH(t.actuality_delivery_date) = #{query.sampleMakingMonth}
+            <if test="query.sampleMakingDateEnd != null">
+                <!-- 包含结束日期当天的所有时间，不遗漏带时分秒的实际完成记录。 -->
+                and COALESCE(t.actuality_delivery_date, t.required_delivery_date) &lt; DATEADD(DAY, 1, #{query.sampleMakingDateEnd,jdbcType=DATE})
             </if>
             <if test="query.pmInqueryTimeStart != null">
                 and t.pm_inquery_time >= #{query.pmInqueryTimeStart,jdbcType=DATE}