diff --git a/src/main/java/com/yem/em/ass/assatlasdet/from/AssAtlasdetFromEdit.java b/src/main/java/com/yem/em/ass/assatlasdet/from/AssAtlasdetFromEdit.java
index 8df39ef6..696db3d8 100644
--- a/src/main/java/com/yem/em/ass/assatlasdet/from/AssAtlasdetFromEdit.java
+++ b/src/main/java/com/yem/em/ass/assatlasdet/from/AssAtlasdetFromEdit.java
@@ -242,8 +242,8 @@ public class AssAtlasdetFromEdit extends AbstractBillPlugIn implements UploadLis
         if ("test_getatlasno".equals(key)) {
             IDataModel model = this.getModel();
             String number = (String)model.getValue("number");
-            int atlasno = Getatlasno(number);
-            getView().showMessage(String.valueOf(atlasno));
+            String atlasno = Getatlasno(number);
+            getView().showMessage(atlasno);
         }
     }
 
diff --git a/src/main/java/com/yem/em/utils/AtlasUtils.java b/src/main/java/com/yem/em/utils/AtlasUtils.java
index 1e516f80..a06ae1b9 100644
--- a/src/main/java/com/yem/em/utils/AtlasUtils.java
+++ b/src/main/java/com/yem/em/utils/AtlasUtils.java
@@ -327,8 +327,7 @@ public class AtlasUtils {
                             subentryentity.set("yem_completetime", entryentity.getDate("yem_completetime"));
                             subentryentity.set("yem_replace", entryentity.getString("yem_replace"));
                             subentryentity.set("yem_creationtime", new Date());
-                            int yem_enableparno = SubRelationUtils.Getatlasno(entryentity.getString("yem_enableparno"));
-                            subentryentity.set("yem_atlasno", yem_enableparno + 1);
+                            subentryentity.set("yem_atlasno", SubRelationUtils.Getatlasno(entryentity.getString("yem_enableparno")));
                             //zzs add https://docs.qq.com/sheet/DQkFUcGxLTnRTaWl4?tab=BB08J2 问题974
                             if (entryentity.containsProperty("yem_remark") && subentryentity.containsProperty("yem_partremark")) {
                                 subentryentity.set("yem_partremark", entryentity.getString("yem_remark"));
@@ -468,8 +467,7 @@ public class AtlasUtils {
                         subentryentity.set("yem_completetime", entryentity.getDate("yem_completetime"));
                         subentryentity.set("yem_replace", entryentity.getString("yem_replace"));
                         subentryentity.set("yem_creationtime", new Date());
-                        int yem_enableparno = SubRelationUtils.Getatlasno(entryentity.getString("yem_repno"));
-                        subentryentity.set("yem_atlasno", yem_enableparno + 1);
+                        subentryentity.set("yem_atlasno", SubRelationUtils.Getatlasno(entryentity.getString("yem_repno")));
                         //zzs add https://docs.qq.com/sheet/DQkFUcGxLTnRTaWl4?tab=BB08J2 问题974
                         if (entryentity.containsProperty("yem_remark") && subentryentity.containsProperty("yem_partremark")) {
                             subentryentity.set("yem_partremark", entryentity.getString("yem_remark"));
diff --git a/src/main/java/com/yem/em/utils/SubRelationUtils.java b/src/main/java/com/yem/em/utils/SubRelationUtils.java
index 59184d3a..5742969b 100644
--- a/src/main/java/com/yem/em/utils/SubRelationUtils.java
+++ b/src/main/java/com/yem/em/utils/SubRelationUtils.java
@@ -6,14 +6,20 @@ import kd.bos.dataentity.entity.DynamicObject;
 import kd.bos.dataentity.entity.DynamicObjectCollection;
 import kd.bos.entity.datamodel.IDataModel;
 import kd.bos.entity.operate.result.OperationResult;
+import kd.bos.logging.Log;
+import kd.bos.logging.LogFactory;
 import kd.bos.orm.query.QCP;
 import kd.bos.orm.query.QFilter;
 import kd.bos.servicehelper.BusinessDataServiceHelper;
 import kd.bos.servicehelper.QueryServiceHelper;
 import kd.bos.servicehelper.operation.OperationServiceHelper;
+import org.apache.commons.lang3.StringUtils;
 
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.stream.Stream;
 
 /**
@@ -24,6 +30,8 @@ import java.util.stream.Stream;
  */
 public class SubRelationUtils {
 
+    public final static Log log = LogFactory.getLog(SubRelationUtils.class);
+
     /**
      * 查询替换关系
      *
@@ -629,20 +637,112 @@ public class SubRelationUtils {
 
     /**
      * 根据替换编码获取最大图册号
-     *
+     * 查找下一个图册编号
+     * 同一个图册中，编号层级一致，不一致不处理
+     * 例如层级为0：编号为1，2，4，5，6
+     * 层级为1：编号为1.1，1.2，1.3
+     * 层级为2：编号为1.1.1，1.1.2，1.1.3
+     * 对图册中编号按照层级进行排序，之后取最大的编号，给最后一位数加一，返回加一后的时
+     * 如果按照以上规则无法获取到正确的编号，返回空字符串，后续手动维护编号
      * @param repno
      * @return
      */
-    public static int Getatlasno(String repno) {
-        int result = 0;
+    public static String Getatlasno(String repno) {
         QFilter qFilter = new QFilter("number", QCP.in, repno);
         DynamicObjectCollection data = QueryServiceHelper.query("yem_em_assatlasdet",
-                "id,number,name,yem_entryentity.yem_atlasno", new QFilter[]{qFilter},
-                "length(yem_entryentity.yem_atlasno) DESC,yem_entryentity.yem_atlasno  DESC");
-        if (data.size() > 0) {
-            result = data.get(0).getInt("yem_entryentity.yem_atlasno");
+                "id,number,name,yem_entryentity.yem_atlasno atlasno", new QFilter[]{qFilter});
+        Set<Integer> bits = new HashSet<>();
+        Set<String> existNo = new LinkedHashSet<>();
+        for (DynamicObject datum : data) {
+            String atlasno = datum.getString("atlasno");
+            if (!isValid(atlasno)) {
+                log.error("无法验证的图册编号：" + atlasno);
+                return "";
+            }
+            int matches = StringUtils.countMatches(atlasno, ".");
+            bits.add(matches);
+            existNo.add(atlasno);
         }
-        return result;
+        if (bits.size() == 1) {
+            Integer bit = bits.iterator().next();
+            return findNextMax(existNo, bit);
+        } else {
+            log.error("存在不同层级，无法处理：" + bits);
+            log.error(existNo.toString());
+        }
+        return "";
+    }
+
+    /**
+     * 对图册中编号按照层级进行排序，之后取最大的编号，给最后一位数加一，返回加一后的时
+     * @param hierarchicalStrings 已有编号
+     * @param levels 层级
+     * @return 下一个编号
+     */
+    public static String findNextMax(Set<String> hierarchicalStrings, int levels) {
+        String maxString = null;
+
+        for (String str : hierarchicalStrings) {
+            if (str.split("\\.").length == levels + 1) {
+                if (maxString == null || compareHierarchicalStrings(str, maxString) > 0) {
+                    maxString = str;
+                }
+            }
+        }
+
+        if (maxString != null) {
+            return getNextValue(maxString);
+        }
+
+        return null;
+    }
+
+    /**
+     * 比较两个编号大小
+     */
+    private static int compareHierarchicalStrings(String str1, String str2) {
+        String[] parts1 = str1.split("\\.");
+        String[] parts2 = str2.split("\\.");
+
+        int length = Math.min(parts1.length, parts2.length);
+        for (int i = 0; i < length; i++) {
+            int num1 = Integer.parseInt(parts1[i]);
+            int num2 = Integer.parseInt(parts2[i]);
+            if (num1 != num2) {
+                return Integer.compare(num1, num2);
+            }
+        }
+        return Integer.compare(parts1.length, parts2.length);
+    }
+
+    /**
+     * 最后一位编号加一
+     * @param maxString 当前最大编号
+     */
+    private static String getNextValue(String maxString) {
+        String[] parts = maxString.split("\\.");
+        int lastIndex = parts.length - 1;
+        parts[lastIndex] = String.valueOf(Integer.parseInt(parts[lastIndex]) + 1);
+
+        return String.join(".", parts);
+    }
+
+    /**
+     * 判断编号是否是一个可识别的编号
+     * 编号为正整数
+     * 为多个小数点分割的数字，前后不能时数字，两个点之间不能为空
+     * 例如：
+     * {true} 45，1.1.3，1.4
+     * {false} .123，2..3，23.，--
+     */
+    public static boolean isValid(String str) {
+        if (str.matches("\\d+")) {
+            return true;
+        }
+
+        Pattern pattern = Pattern.compile("^\\d+(\\.\\d+)+$");
+        Matcher matcher = pattern.matcher(str);
+        return matcher.matches();
     }