diff --git a/src/Luban.Client/Luban.Client.csproj b/src/Luban.Client/Luban.Client.csproj
index 3927c30..b0180e1 100644
--- a/src/Luban.Client/Luban.Client.csproj
+++ b/src/Luban.Client/Luban.Client.csproj
@@ -22,6 +22,10 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="YamlDotNet" Version="11.2.1" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\Luban.Common\Luban.Common.csproj" />
   </ItemGroup>
diff --git a/src/Luban.Client/Properties/launchSettings.json b/src/Luban.Client/Properties/launchSettings.json
index e0aca35..b6c4ae4 100644
--- a/src/Luban.Client/Properties/launchSettings.json
+++ b/src/Luban.Client/Properties/launchSettings.json
@@ -2,8 +2,8 @@
   "profiles": {
     "Luban.Client": {
       "commandName": "Project",
-      "commandLineArgs": "-h %LUBAN_SERVER_IP% -j cfg -w ..\\DesignerConfigs\\Datas  -- -d ..\\DesignerConfigs\\Defines\\__root__.xml --input_data_dir ..\\DesignerConfigs\\Datas  --output_code_dir TsScripts/src/Gen/Cfg  --output_data_dir ConfigData  --gen_types code_typescript_bin,data_bin  -s client --export_test_data --validate_root_dir Assets ",
-      "workingDirectory": "C:\\workspace\\unity-world\\Client"
+      "commandLineArgs": "-h %LUBAN_SERVER_IP% -j cfg  -- -d ..\\..\\DesignerConfigs\\Defines\\__root__.xml --input_data_dir ..\\..\\DesignerConfigs\\Datas  --output_code_dir Assets/Gen  --output_data_dir ..\\GenerateDatas\\json --gen_types code_cs_unity_json,data_json  -s all  --validate_root_dir .",
+      "workingDirectory": "D:\\workspace\\luban_examples\\Projects\\Csharp_Unity_json"
     },
     "Luban.Client-db": {
       "commandName": "Project",
diff --git a/src/Luban.Client/Source/Net/GenClient.cs b/src/Luban.Client/Source/Net/GenClient.cs
index d765466..c49944a 100644
--- a/src/Luban.Client/Source/Net/GenClient.cs
+++ b/src/Luban.Client/Source/Net/GenClient.cs
@@ -8,11 +8,14 @@ using Luban.Client.Common.Utils;
 using Luban.Common.Protos;
 using Luban.Common.Utils;
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using YamlDotNet.RepresentationModel;
 
 namespace Luban.Client.Common.Net
 {
@@ -163,14 +166,84 @@ namespace Luban.Client.Common.Net
             Session.ReplyRpc<GetInputFile, GetInputFileArg, GetInputFileRes>(rpc, res);
         }
 
+        private readonly Regex _subResPattern = new Regex(@"(.+)\[(\d+)]$");
+
+        private readonly ConcurrentDictionary<string, YamlDocument> _cacheYamlDocs = new();
+
+        private YamlDocument GetCacheYamlDoc(string mainResFileName)
+        {
+            return _cacheYamlDocs.GetOrAdd(mainResFileName, (file) =>
+            {
+                var yamlStream = new YamlStream();
+                yamlStream.Load(new StreamReader(new FileStream(mainResFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)));
+                return yamlStream.Documents[0];
+            });
+        }
+
+        private bool CheckSubResourceExists(string mainResFileName, string subResName)
+        {
+            s_logger.Debug("check resources main:{} sub:{}", mainResFileName, subResName);
+            if (!File.Exists(mainResFileName))
+            {
+                return false;
+            }
+            try
+            {
+                var yamlNode = (YamlMappingNode) GetCacheYamlDoc(mainResFileName).RootNode;
+                var yamlSubResName = new YamlScalarNode(subResName);
+                foreach (var (resType, node) in yamlNode)
+                {
+                   
+                    switch(resType.ToString())
+                    {
+                        case "SpriteAtlas":
+                            {
+                                var mnode = (YamlMappingNode)node;
+                                var r = (YamlSequenceNode) mnode[new YamlScalarNode("m_PackedSpriteNamesToIndex")];
+                                if (r == null)
+                                {
+                                    return false;
+                                }
+                                return r.Contains(yamlSubResName);
+                            }
+                    }
+                }
+
+                return false;
+            }
+            catch (Exception ex)
+            {
+                s_logger.Error(ex);
+                return false;
+            }
+        }
+
         private void Process(QueryFilesExists p)
         {
             var root = p.Arg.Root;
             var files = p.Arg.Files;
             var re = new QueryFilesExistsRes() { Exists = new List<bool>(files.Count) };
+
+            var tasks = new List<Task<bool>>();
+
             foreach (var f in files)
             {
-                re.Exists.Add(File.Exists(Path.Combine(root, f)));
+                var match = _subResPattern.Match(f);
+                if (match.Success)
+                {
+                    var groups = match.Groups;
+                    tasks.Add(Task.Run(() => CheckSubResourceExists(Path.Join(root, groups[1].Value), groups[2].Value)));
+                }
+                else
+                {
+                    tasks.Add(Task.Run(() => File.Exists(Path.Combine(root, f))));
+                }
+            }
+
+            Task.WhenAll(tasks);
+            foreach (var task in tasks)
+            {
+                re.Exists.Add(task.Result);
             }
             Session.ReplyRpc<QueryFilesExists, QueryFilesExistsArg, QueryFilesExistsRes>(p, re);
         }