diff --git a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/task/EquipmentCardTaskPlugin.java b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/task/EquipmentCardTaskPlugin.java
index 07ba7ff..eec2594 100644
--- a/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/task/EquipmentCardTaskPlugin.java
+++ b/code/zcdev/zcgj-zcdev-zcdev-pr/src/main/java/zcgj/zcdev/zcdev/pr/task/EquipmentCardTaskPlugin.java
@@ -126,19 +126,33 @@ public class EquipmentCardTaskPlugin extends AbstractTask {
 
                 }
                 DynamicObject[] depresplitdetails = BusinessDataServiceHelper.load("fa_depresplitdetail", "billno,period,splitdept,assentry.costcentrer,assentry.splitamount", new QFilter[]{qf});
+                // === 新增：按期间编码（年月格式）排序 ===
                 Arrays.sort(depresplitdetails, (o1, o2) -> {
                     DynamicObject p1 = o1.getDynamicObject("period");
                     DynamicObject p2 = o2.getDynamicObject("period");
 
-                    // 处理null值
                     if (p1 == null && p2 == null) return 0;
-                    if (p1 == null) return -1;
-                    if (p2 == null) return 1;
+                    if (p1 == null) return 1;
+                    if (p2 == null) return -1;
 
-                    String c1 = p1.getString("number") != null ? p1.getString("number") : "";
-                    String c2 = p2.getString("number") != null ? p2.getString("number") : "";
+                    String c1 = p1.getString("number");
+                    String c2 = p2.getString("number");
 
-                    return c1.compareTo(c2); // 升序排序
+                    if (c1 == null) c1 = "";
+                    if (c2 == null) c2 = "";
+
+                    // 创建年月格式化器
+                    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMM");
+
+                    try {
+                        YearMonth ym1 = YearMonth.parse(c1, formatter);
+                        YearMonth ym2 = YearMonth.parse(c2, formatter);
+                        return ym2.compareTo(ym1); // 升序
+                    } catch (DateTimeParseException e) {
+                        // 记录解析失败的编码
+                        log.error("期间编码解析失败: " + c1 + " 或 " + c2, e);
+                        return c1.compareTo(c2);
+                    }
                 });
                 for (DynamicObject depresplitdetail : depresplitdetails) {
                     String billno = depresplitdetail.getString("billno");