fix:插件文件缺失异常

src/main/java/cn/com/poc/agent_application/utils/AgentApplicationTools.java

@@ -175,6 +175,8 @@ public class AgentApplicationTools {
         query = "用户输入:" + query + "\n";
         if (CollectionUtils.isNotEmpty(fileUrls)) {
                 query = query + "用户上传文件地址:" + JsonUtils.serialize(fileUrls) + "\n" + "文件格式:" + fileUrls.get(0).substring(fileUrls.get(0).lastIndexOf(".")) + "\n";
+        } else {
+            query = query + "用户上传文件地址:无\n" + "文件格式:无\n";
         }
 
         List<Tool> deductionTools = new ArrayList<>();