diff --git a/ModelSearchEngine.cpp b/ModelSearchEngine.cpp
index 37dbb76..ce9da9d 100644
--- a/ModelSearchEngine.cpp
+++ b/ModelSearchEngine.cpp
@@ -125,7 +125,6 @@ void ModelSearchEngine::SearchSessionModels(const ModelSearchRequest& request, s
             // Create search result item
             SearchResultItem item;
             item.model_name = model_name;
-            item.display_name = model_name;
             item.full_path = model_name;  // 对于会话中的根模型，路径就是模型名
             item.file_path = file_path;   // 物理文件路径
             item.model_type = model_type;
@@ -202,7 +201,6 @@ void ModelSearchEngine::SearchFromRootAssemblies(const ModelSearchRequest& reque
             if (match_score >= request.similarity_threshold) {
                 SearchResultItem item;
                 item.model_name = root_name;
-                item.display_name = root_name;
                 item.full_path = root_name; // Root assembly path
                 item.file_path = GetModelFilePath(model);
                 item.model_type = "ASSEMBLY";
@@ -275,7 +273,6 @@ void ModelSearchEngine::SearchCurrentModel(const ModelSearchRequest& request, st
             
             SearchResultItem item;
             item.model_name = model_name;
-            item.display_name = model_name;
             item.full_path = model_name;  // 当前模型的路径就是模型名
             item.file_path = file_path;   // 物理文件路径
             item.model_type = GetModelTypeString(current_model);
@@ -385,11 +382,9 @@ void ModelSearchEngine::SearchAssemblyComponents(const ModelSearchRequest& reque
                 if (match_score >= request.similarity_threshold) {
                     SearchResultItem item;
                     item.model_name = comp_name;
-                    item.display_name = comp_name;
                     item.full_path = tree_path;         // Model tree hierarchy path
                     item.file_path = comp_file;         // Physical file path
                     item.model_type = model_type;
-                    item.component_path = BuildComponentPath(parent_path, comp_name);
                     item.match_score = match_score;
                     item.match_type = "component";
                     item.is_in_session = true;
@@ -502,11 +497,9 @@ void ModelSearchEngine::SearchAssemblyComponentsWithDedup(const ModelSearchReque
                 if (match_score >= request.similarity_threshold) {
                     SearchResultItem item;
                     item.model_name = comp_name;
-                    item.display_name = comp_name;
                     item.full_path = tree_path;         // Model tree hierarchy path
                     item.file_path = comp_file;         // Physical file path
                     item.model_type = model_type;
-                    item.component_path = BuildComponentPath(parent_path, comp_name);
                     item.match_score = match_score;
                     item.match_type = "component";
                     item.is_in_session = true;
diff --git a/ModelSearchEngine.h b/ModelSearchEngine.h
index b366883..6ca8cc6 100644
--- a/ModelSearchEngine.h
+++ b/ModelSearchEngine.h
@@ -48,21 +48,15 @@ struct ModelSearchRequest {
 // 搜索结果项结构
 struct SearchResultItem {
     std::string model_name;             // 模型名称
-    std::string display_name;           // 显示名称
     std::string full_path;              // 模型树中的完整路径
     std::string file_path;              // 文件路径 (GetOrigin)
     std::string model_type;             // 模型类型 ("PART", "ASSEMBLY", "DRAWING")
-    std::string component_path;         // 组件路径（装配体中的位置）
     double match_score;                 // 匹配分数 (0.0-1.0)
     std::string match_reason;           // 匹配原因说明
     std::string match_type;             // 匹配类型 ("name", "component", "feature")
     bool is_in_session;                 // 是否在当前会话中
     bool is_assembly;                   // 是否是装配体
     int component_count;                // 组件数量（装配体）
-    
-    // 扩展信息
-    std::string file_size;              // 文件大小
-    std::string last_modified;          // 最后修改时间
     std::vector<std::string> matched_keywords; // 匹配的关键词
     
     // 构造函数
diff --git a/ModelSearchHandler.cpp b/ModelSearchHandler.cpp
index 573293a..d5eec61 100644
--- a/ModelSearchHandler.cpp
+++ b/ModelSearchHandler.cpp
@@ -123,18 +123,15 @@ HttpResponse ModelSearchHandler::FormatSuccessResponse(const ModelSearchResult&
         
         json << "{"
              << "\"model_name\": \"" << EscapeJsonString(item.model_name) << "\","
-             << "\"display_name\": \"" << EscapeJsonString(item.display_name) << "\","
              << "\"full_path\": \"" << EscapeJsonString(item.full_path) << "\","
+             << "\"file_path\": \"" << EscapeJsonString(item.file_path) << "\","
              << "\"model_type\": \"" << EscapeJsonString(item.model_type) << "\","
-             << "\"component_path\": \"" << EscapeJsonString(item.component_path) << "\","
              << "\"match_score\": " << item.match_score << ","
              << "\"match_reason\": \"" << EscapeJsonString(item.match_reason) << "\","
              << "\"match_type\": \"" << EscapeJsonString(item.match_type) << "\","
              << "\"is_in_session\": " << (item.is_in_session ? "true" : "false") << ","
              << "\"is_assembly\": " << (item.is_assembly ? "true" : "false") << ","
              << "\"component_count\": " << item.component_count << ","
-             << "\"file_size\": \"" << EscapeJsonString(item.file_size) << "\","
-             << "\"last_modified\": \"" << EscapeJsonString(item.last_modified) << "\","
              << "\"matched_keywords\": [";
         
         // Build matched keywords list