diff --git a/src/main/java/com/gaotao/modules/base/service/Impl/LabelDataProcessorServiceImpl.java b/src/main/java/com/gaotao/modules/base/service/Impl/LabelDataProcessorServiceImpl.java
index c5475df2..4882de37 100644
--- a/src/main/java/com/gaotao/modules/base/service/Impl/LabelDataProcessorServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/base/service/Impl/LabelDataProcessorServiceImpl.java
@@ -834,6 +834,11 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
         if (!"text".equals(element.getType()) || !"date".equals(element.getDataType())) {
             return false;
         }
+        // 流水号后缀只属于完整日期。提取方式为空按完整日期兼容旧模板；周别等类型即使残留勾选也不再追加。
+        String extractType = StringUtils.trimToEmpty(element.getDateExtractType());
+        if (StringUtils.isNotBlank(extractType) && !"full".equalsIgnoreCase(extractType)) {
+            return false;
+        }
         return StringUtils.equalsAnyIgnoreCase(StringUtils.trimToEmpty(element.getShowSerialNumber()), "true", "y", "1");
     }
 
@@ -1358,9 +1363,10 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
         try {
             java.time.LocalDate yearStartDate = java.time.LocalDate.of(date.getYear(), 1, 1);
             long daysBetween = java.time.temporal.ChronoUnit.DAYS.between(yearStartDate, date);
+            // 周别展示为年份后两位 + 两位周号，例如 2026 年第 3 周输出 2603
             String yearSuffix = String.format("%02d", date.getYear() % 100);
             if (daysBetween <= 0) {
-                return "01" + yearSuffix;
+                return yearSuffix + "01";
             }
 
             int firstDayOfWeek = 0; // 默认周日为第一天
@@ -1384,11 +1390,11 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
                 weekNumber = (int) ((daysBetween - daysToNextWeekStart) / 7) + 2;
             }
             int normalizedWeekNumber = Math.max(1, weekNumber);
-            return String.format("%02d", normalizedWeekNumber) + yearSuffix;
+            return yearSuffix + String.format("%02d", normalizedWeekNumber);
 
         } catch (Exception e) {
             log.error("周数计算失败: date={}, firstDayOfWeek={}", date, firstDayOfWeekStr);
-            return "01" + String.format("%02d", date.getYear() % 100);
+            return String.format("%02d", date.getYear() % 100) + "01";
         }
     }
 
diff --git a/src/main/java/com/gaotao/modules/base/service/Impl/ReportLabelListServiceImpl.java b/src/main/java/com/gaotao/modules/base/service/Impl/ReportLabelListServiceImpl.java
index fac09af8..39779e5c 100644
--- a/src/main/java/com/gaotao/modules/base/service/Impl/ReportLabelListServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/base/service/Impl/ReportLabelListServiceImpl.java
@@ -1107,6 +1107,11 @@ public class ReportLabelListServiceImpl extends ServiceImpl<ReportLabelListMappe
         if (!"text".equals(element.getType()) || !"date".equals(element.getDataType())) {
             return false;
         }
+        // 与设计器一致：只有完整日期保留流水号后缀。切走后即使前端还没保存，也不再按日期流水号生成内容项。
+        String extractType = StringUtils.trimToEmpty(element.getDateExtractType());
+        if (StringUtils.isNotBlank(extractType) && !"full".equalsIgnoreCase(extractType)) {
+            return false;
+        }
         return StringUtils.equalsAnyIgnoreCase(StringUtils.trimToEmpty(element.getShowSerialNumber()), "true", "y", "1");
     }