diff --git a/connor_zwcadm/commands/ConvertPDFCommand.cs b/connor_zwcadm/commands/ConvertPDFCommand.cs
index ea95adc..d860534 100644
--- a/connor_zwcadm/commands/ConvertPDFCommand.cs
+++ b/connor_zwcadm/commands/ConvertPDFCommand.cs
@@ -88,23 +88,23 @@ namespace connor_zwcadm.commands
                             try
                             {
                                 KUtil.Log("plotData.TitleBlockName====" + plotData.TitleBlockName);
-                                if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4及portrait", StringComparison.OrdinalIgnoreCase) >= 0)
+                                if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("portrait", StringComparison.OrdinalIgnoreCase) >= 0)
                                 {
                                     psv.SetPlotConfigurationName(ps, "A4S.pc5", null);
                                 }
-                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                 {
                                     psv.SetPlotConfigurationName(ps, "A4H.pc5", null);
                                 }
-                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A3及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A3", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                 {
                                     psv.SetPlotConfigurationName(ps, "A3H.pc5", null);
                                 }
-                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A2及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A2", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                 {
                                     psv.SetPlotConfigurationName(ps, "A2H.pc5", null);
                                 }
-                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A1及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A1", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                 {
                                     psv.SetPlotConfigurationName(ps, "A1H.pc5", null);
                                 }
@@ -127,23 +127,23 @@ namespace connor_zwcadm.commands
                                         KUtil.Log("1111111111111111111");
 
 
-                                        if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4及portrait", StringComparison.OrdinalIgnoreCase) >= 0)
+                                        if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("portrait", StringComparison.OrdinalIgnoreCase) >= 0)
                                         {
                                             psv.SetPlotConfigurationName(ps, "A4S.pc5", null);
                                         }
-                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                         {
                                             psv.SetPlotConfigurationName(ps, "A4H.pc5", null);
                                         }
-                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A3及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A3", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                         {
                                             psv.SetPlotConfigurationName(ps, "A3H.pc5", null);
                                         }
-                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A2及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A2", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                         {
                                             psv.SetPlotConfigurationName(ps, "A2H.pc5", null);
                                         }
-                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A1及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                        else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A1", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                         {
                                             psv.SetPlotConfigurationName(ps, "A1H.pc5", null);
                                         }
@@ -152,7 +152,6 @@ namespace connor_zwcadm.commands
                                             psv.SetPlotConfigurationName(ps, "DWG to PDF.pc5", null);
                                         }
 
-
                                         flag = false;
                                         break;
                                     }
@@ -161,23 +160,23 @@ namespace connor_zwcadm.commands
                                 if (flag)
                                 {
 
-                                    if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4及portrait", StringComparison.OrdinalIgnoreCase) >= 0)
+                                    if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("portrait", StringComparison.OrdinalIgnoreCase) >= 0)
                                     {
                                         psv.SetPlotConfigurationName(ps, "A4S.pc5", null);
                                     }
-                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A4", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                     {
                                         psv.SetPlotConfigurationName(ps, "A4H.pc5", null);
                                     }
-                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A3及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A3", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                     {
                                         psv.SetPlotConfigurationName(ps, "A3H.pc5", null);
                                     }
-                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A2及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A2", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                     {
                                         psv.SetPlotConfigurationName(ps, "A2H.pc5", null);
                                     }
-                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A1及landscape", StringComparison.OrdinalIgnoreCase) >= 0)
+                                    else if (!string.IsNullOrEmpty(plotData.TitleBlockName) && plotData.TitleBlockName.IndexOf("A1", StringComparison.OrdinalIgnoreCase) >= 0 && plotData.TitleBlockName.IndexOf("landscape", StringComparison.OrdinalIgnoreCase) >= 0)
                                     {
                                         psv.SetPlotConfigurationName(ps, "A1H.pc5", null);
                                     }
diff --git a/connor_zwcadm/commands/SyncTitleCommand.cs b/connor_zwcadm/commands/SyncTitleCommand.cs
index 515bb82..d23cae9 100644
--- a/connor_zwcadm/commands/SyncTitleCommand.cs
+++ b/connor_zwcadm/commands/SyncTitleCommand.cs
@@ -172,92 +172,95 @@ namespace connor_zwcadm.commands {
 
            Dictionary<string, string> cadProps = tcUtil.ReadTCData2(titleData,th,bb);
 
-            KUtil.Log("--------------1" + KUtil.PrintDictionary(cadProps));
+            if (cadProps != null) {
 
+                KUtil.Log("--------------1" + KUtil.PrintDictionary(cadProps));
 
 
 
 
 
-            using (Transaction tran = db.TransactionManager.StartTransaction())
-            {
-                KUtil.Log("3. 开始事务");
-                BlockTable blt = tran.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
-
-                KUtil.Log("4. 获取块表");
-                // 注意：这里只遍历了当前空间 (CurrentSpaceId)。
-                // 如果标题栏在布局(Layout)中而当前在模型空间，可能遍历不到。
-                // 如果需要遍历所有布局，逻辑需要扩展（见下方提示）。
-                BlockTableRecord bltr = tran.GetObject(db.CurrentSpaceId, OpenMode.ForRead) as BlockTableRecord;
 
-                KUtil.Log("5. 开始遍历实体");
-                foreach (ObjectId item in bltr)
+                using (Transaction tran = db.TransactionManager.StartTransaction())
                 {
-                    // 先以只读方式打开，提高性能
-                    Entity ent = tran.GetObject(item, OpenMode.ForRead) as Entity;
+                    KUtil.Log("3. 开始事务");
+                    BlockTable blt = tran.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
 
-                    // 优化判断：直接使用 is 关键字，比 GetType().Name 更安全高效
-                    if (ent is BlockReference bref)
+                    KUtil.Log("4. 获取块表");
+                    // 注意：这里只遍历了当前空间 (CurrentSpaceId)。
+                    // 如果标题栏在布局(Layout)中而当前在模型空间，可能遍历不到。
+                    // 如果需要遍历所有布局，逻辑需要扩展（见下方提示）。
+                    BlockTableRecord bltr = tran.GetObject(db.CurrentSpaceId, OpenMode.ForRead) as BlockTableRecord;
+
+                    KUtil.Log("5. 开始遍历实体");
+                    foreach (ObjectId item in bltr)
                     {
+                        // 先以只读方式打开，提高性能
+                        Entity ent = tran.GetObject(item, OpenMode.ForRead) as Entity;
 
-                        if (bref.Name.Contains("更改栏"))
+                        // 优化判断：直接使用 is 关键字，比 GetType().Name 更安全高效
+                        if (ent is BlockReference bref)
                         {
 
-
-                            KUtil.Log("发现块引用：" + bref.Name);
-
-                            if (bref.AttributeCollection.Count > 0)
+                            if (bref.Name.Contains("更改栏"))
                             {
-                                // 遍历属性集合
-                                foreach (ObjectId attId in bref.AttributeCollection)
-                                {
-                                    // 先以只读方式打开属性
-                                    AttributeReference aRef = tran.GetObject(attId, OpenMode.ForRead) as AttributeReference;
 
-                                    if (aRef != null)
-                                    {
 
+                                KUtil.Log("发现块引用：" + bref.Name);
 
+                                if (bref.AttributeCollection.Count > 0)
+                                {
+                                    // 遍历属性集合
+                                    foreach (ObjectId attId in bref.AttributeCollection)
+                                    {
+                                        // 先以只读方式打开属性
+                                        AttributeReference aRef = tran.GetObject(attId, OpenMode.ForRead) as AttributeReference;
 
-                                        foreach (KeyValuePair<string, string> item2 in cadProps)
+                                        if (aRef != null)
                                         {
-                                            string key = item2.Key;   // 属性标签 (Tag)，例如 "PROJECT_NAME"
-                                            string value = item2.Value; // 属性值 (TextString)，例如 "某某大厦项目"
-                                                                        // 【核心逻辑】检查 Tag 是否为 "编制"
-                                                                        // 注意：Tag 区分大小写，请确认 CAD 中该属性的 Tag 确实是 "编制" 
-                                                                        // 有时可能是 "DESIGNER", "DRAWN_BY" 等，如果不确定可以先打印 aRef.Tag 看看
-                                            if (aRef.Tag.Equals(key))
-                                            {
-                                                // 【关键步骤】升级为写模式，否则无法赋值
-                                                aRef.UpgradeOpen();
 
-                                                // 设置新值
-                                                aRef.TextString = value;
 
-                                                KUtil.Log($"已修改块 '{bref.Name}' ======: {value}");
 
-                                                // 如果只需要修改第一个找到的，可以在这里 break; 
-                                                // 如果要修改所有符合条件的块，则继续循环
+                                            foreach (KeyValuePair<string, string> item2 in cadProps)
+                                            {
+                                                string key = item2.Key;   // 属性标签 (Tag)，例如 "PROJECT_NAME"
+                                                string value = item2.Value; // 属性值 (TextString)，例如 "某某大厦项目"
+                                                                            // 【核心逻辑】检查 Tag 是否为 "编制"
+                                                                            // 注意：Tag 区分大小写，请确认 CAD 中该属性的 Tag 确实是 "编制" 
+                                                                            // 有时可能是 "DESIGNER", "DRAWN_BY" 等，如果不确定可以先打印 aRef.Tag 看看
+                                                if (aRef.Tag.Equals(key))
+                                                {
+                                                    // 【关键步骤】升级为写模式，否则无法赋值
+                                                    aRef.UpgradeOpen();
+
+                                                    // 设置新值
+                                                    aRef.TextString = value;
+
+                                                    KUtil.Log($"已修改块 '{bref.Name}' ======: {value}");
+
+                                                    // 如果只需要修改第一个找到的，可以在这里 break; 
+                                                    // 如果要修改所有符合条件的块，则继续循环
+                                                }
                                             }
-                                        }
 
 
 
 
-    
-                                       
+
+
+                                        }
                                     }
                                 }
                             }
                         }
                     }
+
+                    // 提交事务，保存修改
+                    tran.Commit();
+                    KUtil.Log("事务已提交，属性修改生效");
                 }
 
-                // 提交事务，保存修改
-                tran.Commit();
-                KUtil.Log("事务已提交，属性修改生效");
             }
-
             KUtil.Log("转换PDF完成（属性已预设置）");
             return path;
         }
diff --git a/connor_zwcadm/util/TCUtil.cs b/connor_zwcadm/util/TCUtil.cs
index 8500a03..f99190b 100644
--- a/connor_zwcadm/util/TCUtil.cs
+++ b/connor_zwcadm/util/TCUtil.cs
@@ -479,6 +479,7 @@ namespace connor_zwcadm.util {
             KUtil.Log(string.Format("查询TC数据：类型[{0}] ID[{1}] 版本[{2}] 名称[{3}]", itemTypeName, itemId, revId, ""));
            
             ItemRevision rev = null;
+            ItemRevision rev2 = null;
             if (string.IsNullOrWhiteSpace(itemId))
             {
                 throw new Exception("参数异常：对象ID不可为空");
@@ -519,17 +520,17 @@ namespace connor_zwcadm.util {
                     KUtil.Log("referencedObject.Object_type：" + referencedObject.Object_type);
                     if (referencedObject.Object_type.Equals("Lb5_ChangeNoticeRevision"))
                     {
-                        rev = (ItemRevision)referencedObject;
+                        rev2 = (ItemRevision)referencedObject;
                     }
                 }
 
             }
+            if (rev2 != null) {
+                data.Rev = rev2;
+            }
 
-                GetProperties(rev, "object_string");
-            KUtil.Log("找到已存在的版本：" + rev.Object_string);
-          
             //更新属性
-            data.Rev = rev;
+         
             return ReadProperties(data);
         }