diff --git a/LTEMvcApp/Models/ASN1Extensions.cs b/LTEMvcApp/Models/ASN1Extensions.cs
new file mode 100644
index 0000000..d3908a3
--- /dev/null
+++ b/LTEMvcApp/Models/ASN1Extensions.cs
@@ -0,0 +1,270 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace LTEMvcApp.Models
+{
+    /// <summary>
+    /// ASN1扩展方法
+    /// </summary>
+    public static class ASN1Extensions
+    {
+        /// <summary>
+        /// 安全获取字典值
+        /// </summary>
+        public static T GetValueOrDefault<T>(this Dictionary<string, object> dict, string key, T defaultValue = default(T))
+        {
+            if (dict != null && dict.ContainsKey(key))
+            {
+                try
+                {
+                    return (T)Convert.ChangeType(dict[key], typeof(T));
+                }
+                catch
+                {
+                    return defaultValue;
+                }
+            }
+            return defaultValue;
+        }
+
+        /// <summary>
+        /// 安全获取字典值
+        /// </summary>
+        public static object GetValueOrDefault(this Dictionary<string, object> dict, string key)
+        {
+            return dict?.ContainsKey(key) == true ? dict[key] : null;
+        }
+
+        /// <summary>
+        /// 将对象转换为字典
+        /// </summary>
+        public static Dictionary<string, object> ToDictionary(this object obj)
+        {
+            if (obj is Dictionary<string, object> dict)
+                return dict;
+            
+            if (obj is IDictionary<string, object> idict)
+                return new Dictionary<string, object>(idict);
+            
+            return null;
+        }
+
+        /// <summary>
+        /// 将对象转换为列表
+        /// </summary>
+        public static List<object> ToList(this object obj)
+        {
+            if (obj is List<object> list)
+                return list;
+            
+            if (obj is IEnumerable<object> enumerable)
+                return enumerable.ToList();
+            
+            return null;
+        }
+
+        /// <summary>
+        /// 安全转换为整数
+        /// </summary>
+        public static int? ToInt32(this object obj)
+        {
+            if (obj == null) return null;
+            
+            try
+            {
+                return Convert.ToInt32(obj);
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// 安全转换为字符串
+        /// </summary>
+        public static string ToSafeString(this object obj)
+        {
+            return obj?.ToString();
+        }
+
+        /// <summary>
+        /// 安全转换为布尔值
+        /// </summary>
+        public static bool? ToBoolean(this object obj)
+        {
+            if (obj == null) return null;
+            
+            try
+            {
+                return Convert.ToBoolean(obj);
+            }
+            catch
+            {
+                return null;
+            }
+        }
+    }
+
+    /// <summary>
+    /// ASN1工具类
+    /// </summary>
+    public static class ASN1Utils
+    {
+        /// <summary>
+        /// 创建ASN1对象
+        /// </summary>
+        public static Dictionary<string, object> CreateASN1Object()
+        {
+            return new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// 创建ASN1数组
+        /// </summary>
+        public static List<object> CreateASN1Array()
+        {
+            return new List<object>();
+        }
+
+        /// <summary>
+        /// 添加属性到ASN1对象
+        /// </summary>
+        public static void AddProperty(Dictionary<string, object> obj, string name, object value)
+        {
+            if (obj == null) return;
+            
+            if (string.IsNullOrEmpty(name))
+            {
+                if (obj.ContainsKey(""))
+                {
+                    var existing = obj[""];
+                    if (existing is List<object> list)
+                    {
+                        list.Add(value);
+                    }
+                    else
+                    {
+                        obj[""] = new List<object> { existing, value };
+                    }
+                }
+                else
+                {
+                    obj[""] = new List<object> { value };
+                }
+            }
+            else
+            {
+                if (obj.ContainsKey(name))
+                {
+                    var existing = obj[name];
+                    if (existing is List<object> list)
+                    {
+                        list.Add(value);
+                    }
+                    else
+                    {
+                        obj[name] = new List<object> { existing, value };
+                    }
+                }
+                else
+                {
+                    obj[name] = value;
+                }
+            }
+        }
+
+        /// <summary>
+        /// 添加元素到ASN1数组
+        /// </summary>
+        public static void AddElement(List<object> array, object value)
+        {
+            array?.Add(value);
+        }
+
+        /// <summary>
+        /// 深度克隆ASN1对象
+        /// </summary>
+        public static Dictionary<string, object> DeepClone(Dictionary<string, object> obj)
+        {
+            if (obj == null) return null;
+            
+            var result = new Dictionary<string, object>();
+            foreach (var kvp in obj)
+            {
+                if (kvp.Value is Dictionary<string, object> dict)
+                {
+                    result[kvp.Key] = DeepClone(dict);
+                }
+                else if (kvp.Value is List<object> list)
+                {
+                    result[kvp.Key] = DeepCloneList(list);
+                }
+                else
+                {
+                    result[kvp.Key] = kvp.Value;
+                }
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// 深度克隆ASN1数组
+        /// </summary>
+        public static List<object> DeepCloneList(List<object> list)
+        {
+            if (list == null) return null;
+            
+            var result = new List<object>();
+            foreach (var item in list)
+            {
+                if (item is Dictionary<string, object> dict)
+                {
+                    result.Add(DeepClone(dict));
+                }
+                else if (item is List<object> subList)
+                {
+                    result.Add(DeepCloneList(subList));
+                }
+                else
+                {
+                    result.Add(item);
+                }
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// 将ASN1对象转换为JSON字符串
+        /// </summary>
+        public static string ToJson(Dictionary<string, object> obj, bool prettyPrint = false)
+        {
+            if (obj == null) return "null";
+            
+            var settings = new Newtonsoft.Json.JsonSerializerSettings
+            {
+                Formatting = prettyPrint ? Newtonsoft.Json.Formatting.Indented : Newtonsoft.Json.Formatting.None
+            };
+            
+            return Newtonsoft.Json.JsonConvert.SerializeObject(obj, settings);
+        }
+
+        /// <summary>
+        /// 从JSON字符串创建ASN1对象
+        /// </summary>
+        public static Dictionary<string, object> FromJson(string json)
+        {
+            if (string.IsNullOrEmpty(json)) return null;
+            
+            try
+            {
+                return Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>>(json);
+            }
+            catch
+            {
+                return null;
+            }
+        }
+    }
+} 
\ No newline at end of file
diff --git a/LTEMvcApp/Models/ASN1Parser.cs b/LTEMvcApp/Models/ASN1Parser.cs
new file mode 100644
index 0000000..51b34d5
--- /dev/null
+++ b/LTEMvcApp/Models/ASN1Parser.cs
@@ -0,0 +1,365 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Linq;
+using Newtonsoft.Json;
+
+namespace LTEMvcApp.Models
+{
+    /// <summary>
+    /// ASN1解析器，用于解析GSER格式的ASN1数据
+    /// </summary>
+    public class ASN1Parser
+    {
+        private static readonly Regex RegExpOpen = new Regex(@"((?! )[\w-\s]+(?<! ))?:?\s*{", RegexOptions.Compiled);
+        private static readonly Regex RegExpClose = new Regex(@"}", RegexOptions.Compiled);
+        private static readonly Regex RegExpValueNum = new Regex(@"([\w-]+)\s+(\d+),?$", RegexOptions.Compiled);
+        private static readonly Regex RegExpValueEnumerated = new Regex(@"([\w-]+)\s+([\w-']+)\s*,?$", RegexOptions.Compiled);
+        private static readonly Regex RegExpValueChoice = new Regex(@"([\w-]+) ([\w-]+):\s+([\w-']+)\s*,?$", RegexOptions.Compiled);
+        private static readonly Regex RegExpValueListNum = new Regex(@"\s+(\d+),?$", RegexOptions.Compiled);
+        private static readonly Regex RegExpValueListMisc = new Regex(@"\s+([\w-]+),?$", RegexOptions.Compiled);
+        private static readonly Regex RegExpHexDump = new Regex(@"^[0-9A-Fa-f\s]+$", RegexOptions.Compiled);
+
+        /// <summary>
+        /// 从GSER格式的字符串数组解析ASN1数据
+        /// </summary>
+        /// <param name="data">GSER格式的字符串数组</param>
+        /// <returns>解析后的ASN1对象</returns>
+        public static Dictionary<string, object> FromGSER(string[] data)
+        {
+            if (data == null || data.Length == 0)
+                return null;
+
+            var root = (ASN1Node)null;
+            var stack = new Stack<ASN1Node>();
+
+            try
+            {
+                int i = 0;
+                // 移除十六进制转储
+                for (; i < data.Length; i++)
+                {
+                    var d = data[i];
+                    if (!RegExpHexDump.IsMatch(d))
+                        break;
+                }
+
+                for (; i < data.Length; i++)
+                {
+                    var d = data[i];
+
+                    // 移除注释
+                    for (int j = 0; j < 10; j++) // 最多10次迭代
+                    {
+                        var c0 = d.IndexOf("/*");
+                        if (c0 < 0) break;
+
+                        var c1 = d.IndexOf("*/");
+                        if (c1 >= 0)
+                        {
+                            d = d.Remove(c0, c1 + 2 - c0);
+                        }
+                        else
+                        {
+                            d = d.Substring(0, c0);
+                            for (i++; i < data.Length; i++)
+                            {
+                                var d1 = data[i];
+                                var c2 = d1.IndexOf("*/");
+                                if (c2 >= 0)
+                                {
+                                    d += d1.Substring(c2 + 2);
+                                    break;
+                                }
+                            }
+                        }
+                    }
+
+                    var match = RegExpOpen.Match(d);
+                    if (match.Success)
+                    {
+                        var node = new ASN1Node { Name = match.Groups[1].Success ? match.Groups[1].Value.Trim() : null };
+                        if (root == null) root = node;
+                        stack.Push(node);
+                        continue;
+                    }
+
+                    if (stack.Count == 0) continue;
+
+                    match = RegExpClose.Match(d);
+                    if (match.Success)
+                    {
+                        var node = stack.Pop();
+                        if (stack.Count == 0) // 结束
+                            break;
+
+                        AddProperty(stack.Peek(), node.Name, node.Obj ?? new Dictionary<string, object>());
+                        continue;
+                    }
+
+                    // 数值常量
+                    match = RegExpValueNum.Match(d);
+                    if (match.Success)
+                    {
+                        AddProperty(stack.Peek(), match.Groups[1].Value, int.Parse(match.Groups[2].Value));
+                    }
+                    // 通用字符串
+                    else if ((match = RegExpValueEnumerated.Match(d)).Success)
+                    {
+                        var value = match.Groups[2].Value;
+                        switch (value)
+                        {
+                            case "TRUE":
+                                AddProperty(stack.Peek(), match.Groups[1].Value, true);
+                                break;
+                            case "FALSE":
+                                AddProperty(stack.Peek(), match.Groups[1].Value, false);
+                                break;
+                            default:
+                                AddProperty(stack.Peek(), match.Groups[1].Value, value);
+                                break;
+                        }
+                    }
+                    // 带基本值的Choice
+                    else if ((match = RegExpValueChoice.Match(d)).Success)
+                    {
+                        AddProperty(stack.Peek(), match.Groups[1].Value, 
+                            new Dictionary<string, object> 
+                            { 
+                                ["choice"] = match.Groups[2].Value, 
+                                ["value"] = match.Groups[3].Value 
+                            });
+                    }
+                    else if ((match = RegExpValueListNum.Match(d)).Success)
+                    {
+                        AddProperty(stack.Peek(), null, int.Parse(match.Groups[1].Value));
+                    }
+                    else if ((match = RegExpValueListMisc.Match(d)).Success)
+                    {
+                        AddProperty(stack.Peek(), null, match.Groups[1].Value);
+                    }
+                }
+
+                // 验证解析结果
+                if (root == null)
+                    return null;
+
+                if (stack.Count != 0)
+                {
+                    // 栈不为空说明解析不完整，返回null
+                    return null;
+                }
+
+                // 确保返回的是Dictionary<string, object>类型
+                if (root.Obj is Dictionary<string, object> dict)
+                {
+                    return dict;
+                }
+                else if (root.Obj is List<object> list)
+                {
+                    // 如果是列表，包装成字典
+                    return new Dictionary<string, object> { ["items"] = list };
+                }
+                else if (root.Obj != null)
+                {
+                    // 如果是其他类型，包装成字典
+                    return new Dictionary<string, object> { ["value"] = root.Obj };
+                }
+                else
+                {
+                    // 如果root.Obj为null，返回空字典
+                    return new Dictionary<string, object>();
+                }
+            }
+            catch (Exception ex)
+            {
+                // 记录异常信息（在实际应用中可以使用日志框架）
+                throw new InvalidOperationException($"解析GSER数据时发生错误: {ex.Message}", ex);
+            }
+        }
+
+        /// <summary>
+        /// 添加属性到节点
+        /// </summary>
+        private static void AddProperty(ASN1Node node, string name, object value)
+        {
+            if (string.IsNullOrEmpty(name))
+            {
+                if (node.Obj == null) node.Obj = new List<object>();
+                ((List<object>)node.Obj).Add(value);
+            }
+            else
+            {
+                if (node.Obj == null) node.Obj = new Dictionary<string, object>();
+
+                var dict = (Dictionary<string, object>)node.Obj;
+                if (!dict.ContainsKey(name))
+                {
+                    dict[name] = value;
+                }
+                else
+                {
+                    var cur = dict[name];
+                    if (cur is List<object> list)
+                    {
+                        list.Add(value);
+                    }
+                    else
+                    {
+                        dict[name] = new List<object> { cur, value };
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// 深度访问ASN1对象
+        /// </summary>
+        /// <param name="asn1">ASN1对象</param>
+        /// <param name="path">访问路径</param>
+        /// <returns>访问到的值</returns>
+        public static object Dig(Dictionary<string, object> asn1, params object[] path)
+        {
+            if (asn1 == null)
+                return null;
+
+            var current = (object)asn1;
+            var count = 1;
+
+            for (int i = 0; i < path.Length;)
+            {
+                var arg = path[i];
+                if (arg is int intArg)
+                {
+                    count = intArg;
+                    i++;
+                }
+                else
+                {
+                    if (current is Dictionary<string, object> dict)
+                    {
+                        var key = arg.ToString();
+                        if (!dict.ContainsKey(key))
+                            return null;
+                        current = dict[key];
+                    }
+                    else if (current is List<object> list)
+                    {
+                        var index = int.Parse(arg.ToString());
+                        if (index >= list.Count)
+                            return null;
+                        current = list[index];
+                    }
+                    else
+                    {
+                        return null;
+                    }
+
+                    if (--count == 0)
+                    {
+                        i++;
+                        count = 1;
+                    }
+                }
+            }
+
+            return current;
+        }
+
+        /// <summary>
+        /// 映射ASN1数组
+        /// </summary>
+        /// <typeparam name="T">返回类型</typeparam>
+        /// <param name="asn1">ASN1对象</param>
+        /// <param name="callback">映射函数</param>
+        /// <returns>映射结果</returns>
+        public static List<T> Map<T>(object asn1, Func<object, T> callback)
+        {
+            // 参数验证
+            if (callback == null)
+                throw new ArgumentNullException(nameof(callback), "回调函数不能为空");
+
+            // 如果asn1为null，返回空列表
+            if (asn1 == null)
+                return new List<T>();
+
+            try
+            {
+                if (asn1 is List<object> list)
+                {
+                    // 处理列表类型，过滤掉null值并应用映射
+                    return list.Where(item => item != null)
+                              .Select(callback)
+                              .ToList<T>();
+                }
+                else
+                {
+                    // 处理单个对象
+                    return new List<T> { callback(asn1) };
+                }
+            }
+            catch (Exception ex)
+            {
+                // 记录异常信息（在实际应用中可以使用日志框架）
+                throw new InvalidOperationException($"映射ASN1数据时发生错误: {ex.Message}", ex);
+            }
+        }
+
+        /// <summary>
+        /// 映射ASN1数组（带索引）
+        /// </summary>
+        /// <typeparam name="T">返回类型</typeparam>
+        /// <param name="asn1">ASN1对象</param>
+        /// <param name="callback">带索引的映射函数</param>
+        /// <returns>映射结果</returns>
+        public static List<T> Map<T>(object asn1, Func<object, int, T> callback)
+        {
+            // 参数验证
+            if (callback == null)
+                throw new ArgumentNullException(nameof(callback), "回调函数不能为空");
+
+            // 如果asn1为null，返回空列表
+            if (asn1 == null)
+                return new List<T>();
+
+            try
+            {
+                if (asn1 is List<object> list)
+                {
+                    // 处理列表类型，过滤掉null值并应用带索引的映射
+                    var result = new List<T>();
+                    int index = 0;
+                    foreach (var item in list)
+                    {
+                        if (item != null)
+                        {
+                            result.Add(callback(item, index));
+                        }
+                        index++;
+                    }
+                    return result;
+                }
+                else
+                {
+                    // 处理单个对象
+                    return new List<T> { callback(asn1, 0) };
+                }
+            }
+            catch (Exception ex)
+            {
+                // 记录异常信息（在实际应用中可以使用日志框架）
+                throw new InvalidOperationException($"映射ASN1数据时发生错误: {ex.Message}", ex);
+            }
+        }
+    }
+
+    /// <summary>
+    /// ASN1节点
+    /// </summary>
+    public class ASN1Node
+    {
+        public string Name { get; set; }
+        public object Obj { get; set; }
+    }
+} 
\ No newline at end of file
diff --git a/LTEMvcApp/Models/LTECapabilities.cs b/LTEMvcApp/Models/LTECapabilities.cs
new file mode 100644
index 0000000..aea1fde
--- /dev/null
+++ b/LTEMvcApp/Models/LTECapabilities.cs
@@ -0,0 +1,441 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+
+namespace LTEMvcApp.Models
+{
+    /// <summary>
+    /// LTE能力解析器
+    /// </summary>
+    public class LTECapabilities
+    {
+        public string UEId { get; set; }
+        public List<BandInfo> Bands { get; set; } = new List<BandInfo>();
+        public int? Category { get; set; }
+        public int? CategoryDL { get; set; }
+        public int? CategoryUL { get; set; }
+        public List<Dictionary<string, object>> ASN1Data { get; set; } = new List<Dictionary<string, object>>();
+        public Dictionary<string, object> BandCombinations { get; set; } = new Dictionary<string, object>();
+        public List<List<BandCombinationInfo>> CA { get; set; }
+        public List<BandInfo> NRBands { get; set; }
+        public string VoNR { get; set; }
+        public List<List<BandCombinationInfo>> MRDC { get; set; }
+
+        private List<string[]> _pendingData = new List<string[]>();
+        private int _count = 0;
+
+        public static readonly Dictionary<string, int> UE_CAPS_MIMO = new Dictionary<string, int>
+        {
+            ["twoLayers"] = 2,
+            ["fourLayers"] = 4,
+            ["eightLayers"] = 8
+        };
+
+        /// <summary>
+        /// 获取类别信息
+        /// </summary>
+        public string GetCategory()
+        {
+            var cat = new List<string>();
+            if (CategoryDL.HasValue)
+                cat.Add($"DL={CategoryDL}");
+            if (CategoryUL.HasValue)
+                cat.Add($"UL={CategoryUL}");
+
+            if (cat.Count > 0)
+                return string.Join(", ", cat);
+
+            if (Category.HasValue)
+                return Category.ToString();
+
+            return "?";
+        }
+
+        /// <summary>
+        /// 添加待解析数据
+        /// </summary>
+        public void Add(string[] data)
+        {
+            if (data != null && data.Length > 0)
+            {
+                _pendingData.Add(data);
+            }
+        }
+
+        /// <summary>
+        /// 解析所有待处理数据
+        /// </summary>
+        public LTECapabilities Parse()
+        {
+            while (_pendingData.Count > 0)
+            {
+                _count++;
+                ParseASN1(ASN1Parser.FromGSER(_pendingData[0]));
+                _pendingData.RemoveAt(0);
+            }
+            return _count > 0 ? this : null;
+        }
+
+        /// <summary>
+        /// 解析ASN1数据
+        /// </summary>
+        private void ParseASN1(Dictionary<string, object> asn1)
+        {
+            if (asn1 == null) return;
+
+            ASN1Data.Add(asn1);
+
+            var ratList = ASN1Parser.Dig(asn1, "ueCapabilityInformation", "ueCapabilityInformation-r8", "ue-CapabilityRAT-ContainerList") as List<object> ?? new List<object>();
+            var ratList1 = ASN1Parser.Dig(asn1, "ueCapabilityInformation", "ueCapabilityInformation", "ue-CapabilityRAT-ContainerList") as List<object>;
+            
+            if (ratList1 != null)
+            {
+                ratList.AddRange(ratList1);
+            }
+
+            foreach (var rat in ratList)
+            {
+                if (rat is Dictionary<string, object> ratDict)
+                {
+                    var ratType = ratDict.GetValueOrDefault("rat-Type")?.ToString();
+                    var container = ratDict.GetValueOrDefault("ueCapabilityRAT-Container") ?? ratDict.GetValueOrDefault("ue-CapabilityRAT-Container");
+
+                    switch (ratType)
+                    {
+                        case "eutra":
+                            ParseRatEUTRA(container as Dictionary<string, object>);
+                            break;
+                        case "nr":
+                            ParseRatNR(container as Dictionary<string, object>);
+                            break;
+                        case "eutra-nr":
+                            ParseRatEUTRA_NR(container as Dictionary<string, object>);
+                            break;
+                    }
+                }
+            }
+
+            if (Category == null)
+            {
+                ParseR13(asn1);
+            }
+        }
+
+        /// <summary>
+        /// 解析R13版本
+        /// </summary>
+        private void ParseR13(Dictionary<string, object> asn1)
+        {
+            var root = ASN1Parser.Dig(asn1, "ueCapabilityInformation-r13", "ueCapabilityInformation-r13", "ue-Capability-Container-r13") as Dictionary<string, object>;
+            if (root != null)
+            {
+                // Category
+                if (root.ContainsKey("ue-Category-NB-r13"))
+                {
+                    Category = Convert.ToInt32(root["ue-Category-NB-r13"]);
+                }
+
+                var bands = ASN1Parser.Dig(root, "rf-Parameters-r13", "supportedBandList-r13") as List<object>;
+                if (bands != null)
+                {
+                    var mappedBands = ASN1Parser.Map<BandInfo>(bands, b =>
+                    {
+                        if (b is Dictionary<string, object> bandDict)
+                        {
+                            return new BandInfo { Band = Convert.ToInt32(bandDict["band-r13"]) };
+                        }
+                        return new BandInfo();
+                    });
+                    
+                    if (mappedBands != null && mappedBands.Count > 0)
+                    {
+                        //Bands = mappedBands.Cast<BandInfo>().ToList();
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// 解析EUTRA RAT
+        /// </summary>
+        private void ParseRatEUTRA(Dictionary<string, object> asn1)
+        {
+            if (asn1 == null) return;
+
+            if (asn1.ContainsKey("ue-Category"))
+            {
+                Category = Convert.ToInt32(asn1["ue-Category"]);
+            }
+
+            var mimo = 1;
+            if (Category >= 5)
+            {
+                mimo = 4;
+            }
+            else if (Category >= 2)
+            {
+                mimo = 2;
+            }
+
+            // Bands
+            var extBands = new List<int>();
+            var bands = ASN1Parser.Dig(asn1, "rf-Parameters", "supportedBandListEUTRA") as List<object>;
+            if (bands != null)
+            {
+                var mappedBands = ASN1Parser.Map<BandInfo>(bands, (b, i) =>
+                {
+                    if (b is Dictionary<string, object> bandDict)
+                    {
+                        var band = Convert.ToInt32(bandDict["bandEUTRA"]);
+                        if (band == 64)
+                        {
+                            extBands.Add(i);
+                        }
+                        return new BandInfo { Band = band };
+                    }
+                    return new BandInfo();
+                });
+                
+                if (mappedBands != null && mappedBands.Count > 0)
+                {
+                    //Bands = mappedBands.Cast<BandInfo>().ToList();
+                    var ext = ASN1Parser.Dig(asn1, 2, "nonCriticalExtension", "lateNonCriticalExtension", 3, "nonCriticalExtension", "rf-Parameters-v9e0", "supportedBandListEUTRA-v9e0") as List<object>;
+                    if (ext != null)
+                    {
+                        foreach (var b in extBands)
+                        {
+                            if (b < ext.Count && ext[b] is Dictionary<string, object> extBand)
+                            {
+                                Bands[b].Band = Convert.ToInt32(extBand["bandEUTRA-v9e0"]);
+                            }
+                        }
+                    }
+                }
+            }
+
+            // CA
+            var ca = ASN1Parser.Dig(asn1, 2, "nonCriticalExtension") as Dictionary<string, object>;
+            if (ca != null)
+            {
+                try
+                {
+                    extBands.Clear();
+                    var ca1 = ca.GetValueOrDefault("nonCriticalExtension") as Dictionary<string, object>;
+                    if (ca1 != null)
+                    {
+                        if (ca1.ContainsKey("ue-Category-v1020"))
+                        {
+                            Category = Convert.ToInt32(ca1["ue-Category-v1020"]);
+                        }
+
+                        var rfParams = ca1.GetValueOrDefault("rf-Parameters-v1020") as Dictionary<string, object>;
+                        if (rfParams != null)
+                        {
+                            var supportedBandComb = rfParams.GetValueOrDefault("supportedBandCombination-r10") as List<object>;
+                            if (supportedBandComb != null)
+                            {
+                                CA = ASN1Parser.Map<List<BandCombinationInfo>>(supportedBandComb, (c0, i0) =>
+                                {
+                                    if (c0 is List<object> c0List)
+                                    {
+                                        return ASN1Parser.Map<BandCombinationInfo>(c0List, (c1, i1) =>
+                                        {
+                                            if (c1 is Dictionary<string, object> c1Dict)
+                                            {
+                                                var band = Convert.ToInt32(c1Dict["bandEUTRA-r10"]);
+                                                if (band == 64)
+                                                {
+                                                    //extBands.Add(new[] { i0, i1 });
+                                                }
+
+                                                var dl = c1Dict.GetValueOrDefault("bandParametersDL-r10") as List<object>;
+                                                var ul = c1Dict.GetValueOrDefault("bandParametersUL-r10") as List<object>;
+
+                                                var result = new BandCombinationInfo
+                                                {
+                                                    Band = band,
+                                                    MIMO = mimo
+                                                };
+
+                                                if (dl != null && dl.Count > 0 && dl[0] is Dictionary<string, object> dlDict)
+                                                {
+                                                    result.DL = dlDict.GetValueOrDefault("ca-BandwidthClassDL-r10")?.ToString();
+                                                    if (dlDict.ContainsKey("supportedMIMO-CapabilityDL-r10"))
+                                                    {
+                                                        var mimoCap = dlDict["supportedMIMO-CapabilityDL-r10"].ToString();
+                                                        result.MIMO_9_10 = UE_CAPS_MIMO.GetValueOrDefault(mimoCap, mimo);
+                                                    }
+                                                }
+
+                                                if (ul != null && ul.Count > 0 && ul[0] is Dictionary<string, object> ulDict)
+                                                {
+                                                    result.UL = ulDict.GetValueOrDefault("ca-BandwidthClassUL-r10")?.ToString();
+                                                }
+
+                                                return result;
+                                            }
+                                            return new BandCombinationInfo();
+                                        });
+                                    }
+                                    return new List<BandCombinationInfo>();
+                                });
+                            }
+                        }
+                    }
+                }
+                catch (Exception) { }
+            }
+
+            if (Bands != null && Bands.Count > 0)
+            {
+                //Bands = Bands.OrderBy(b => b.Band).ToList();
+            }
+        }
+
+        /// <summary>
+        /// 解析NR RAT
+        /// </summary>
+        private void ParseRatNR(Dictionary<string, object> asn1)
+        {
+            if (asn1 == null) return;
+
+            // Bands
+            var bands = ASN1Parser.Dig(asn1, "rf-Parameters", "supportedBandListNR") as List<object>;
+            if (bands != null)
+            {
+                var mappedBands = ASN1Parser.Map<BandInfo>(bands, b =>
+                {
+                    if (b is Dictionary<string, object> bandDict)
+                    {
+                        return new BandInfo { Band = Convert.ToInt32(bandDict["bandNR"]) };
+                    }
+                    return new BandInfo();
+                });
+                
+                if (mappedBands != null && mappedBands.Count > 0)
+                {
+                    NRBands = mappedBands;
+                }
+            }
+
+            // VoNR
+            var v1540 = ASN1Parser.Dig(asn1, 2, "nonCriticalExtension") as Dictionary<string, object>;
+            if (v1540 != null)
+            {
+                var vonr = new List<string>();
+                if (ASN1Parser.Dig(v1540, "ims-Parameters", "ims-ParametersFRX-Diff", "voiceOverNR")?.ToString() == "supported")
+                {
+                    vonr.AddRange(new[] { "FR1", "FR2" });
+                }
+                else
+                {
+                    if (ASN1Parser.Dig(v1540, "fr1-Add-UE-NR-Capabilities-v1540", "ims-ParametersFRX-Diff", "voiceOverNR")?.ToString() == "supported")
+                        vonr.Add("FR1");
+                    if (ASN1Parser.Dig(v1540, "fr2-Add-UE-NR-Capabilities-v1540", "ims-ParametersFRX-Diff", "voiceOverNR")?.ToString() == "supported")
+                        vonr.Add("FR2");
+                }
+                if (vonr.Count > 0)
+                {
+                    VoNR = string.Join(", ", vonr);
+                }
+            }
+        }
+
+        /// <summary>
+        /// 解析EUTRA-NR RAT
+        /// </summary>
+        private void ParseRatEUTRA_NR(Dictionary<string, object> asn1)
+        {
+            if (asn1 == null) return;
+
+            var bands = ASN1Parser.Dig(asn1, "rf-ParametersMRDC", "supportedBandCombinationList") as List<object>;
+            if (bands != null)
+            {
+                MRDC = ASN1Parser.Map<List<BandCombinationInfo>>(bands, band =>
+                {
+                    if (band is Dictionary<string, object> bandDict)
+                    {
+                        var bl = bandDict.GetValueOrDefault("bandList") as Dictionary<string, object>;
+                        if (bl != null)
+                        {
+                            var result = new List<BandCombinationInfo>();
+
+                            var nr = bl.GetValueOrDefault("nr") as List<object>;
+                            if (nr != null)
+                            {
+                                result.AddRange(ASN1Parser.Map<BandCombinationInfo>(nr, b =>
+                                {
+                                    if (b is Dictionary<string, object> bDict)
+                                    {
+                                        return new BandCombinationInfo
+                                        {
+                                            Band = Convert.ToInt32(bDict["bandNR"]),
+                                            BandType = "NR",
+                                            DL = bDict.GetValueOrDefault("ca-BandwidthClassDL-NR")?.ToString(),
+                                            UL = bDict.GetValueOrDefault("ca-BandwidthClassUL-NR")?.ToString()
+                                        };
+                                    }
+                                    return new BandCombinationInfo();
+                                }));
+                            }
+
+                            var eutra = bl.GetValueOrDefault("eutra") as List<object>;
+                            if (eutra != null)
+                            {
+                                result.AddRange(ASN1Parser.Map<BandCombinationInfo>(eutra, b =>
+                                {
+                                    if (b is Dictionary<string, object> bDict)
+                                    {
+                                        return new BandCombinationInfo
+                                        {
+                                            Band = Convert.ToInt32(bDict["bandEUTRA"]),
+                                            DL = bDict.GetValueOrDefault("ca-BandwidthClassDL-EUTRA")?.ToString(),
+                                            UL = bDict.GetValueOrDefault("ca-BandwidthClassUL-EUTRA")?.ToString()
+                                        };
+                                    }
+                                    return new BandCombinationInfo();
+                                }));
+                            }
+
+                            return result;
+                        }
+                    }
+                    return new List<BandCombinationInfo>();
+                });
+            }
+        }
+
+        /// <summary>
+        /// 设置频段组合
+        /// </summary>
+        public void SetBandComb(Dictionary<string, object> json, string ratType)
+        {
+            BandCombinations[ratType] = json;
+        }
+    }
+
+    /// <summary>
+    /// 频段信息
+    /// </summary>
+    public class BandInfo
+    {
+        public int Band { get; set; }
+        public bool DL256QAM { get; set; }
+        public string BandType { get; set; } = "LTE";
+    }
+
+    /// <summary>
+    /// 频段组合信息
+    /// </summary>
+    public class BandCombinationInfo
+    {
+        public int Band { get; set; }
+        public string DL { get; set; }
+        public string UL { get; set; }
+        public int MIMO { get; set; }
+        public int? MIMO_9_10 { get; set; }
+        public bool MIMO4_3_4 { get; set; }
+        public string BandType { get; set; } = "LTE";
+    }
+} 
\ No newline at end of file
diff --git a/LTEMvcApp/Models/LTEClient.cs b/LTEMvcApp/Models/LTEClient.cs
index ddb5d0f..b21653a 100644
--- a/LTEMvcApp/Models/LTEClient.cs
+++ b/LTEMvcApp/Models/LTEClient.cs
@@ -1936,7 +1936,8 @@ public class LTEClient
             var keysToUpdate = UeList.Where(kv => kv.Value == ue1).Select(kv => kv.Key).ToList();
             foreach (var key in keysToUpdate)
             {
-                UeList[key] = ue0;
+                int newKey =(int)key;
+                UeList[newKey] = ue0;
             }
             // 合并属性
             if (string.IsNullOrEmpty(ue0.Imsi)) ue0.Imsi = ue1.Imsi;
diff --git a/LTEMvcApp/Models/StatisticsData.cs b/LTEMvcApp/Models/StatisticsData.cs
index 1da76c3..b87259a 100644
--- a/LTEMvcApp/Models/StatisticsData.cs
+++ b/LTEMvcApp/Models/StatisticsData.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+
 using System.Collections.Concurrent;
 using Newtonsoft.Json.Linq;
 
@@ -428,7 +427,13 @@ namespace LTEMvcApp.Models
         {
             lock (_lockObject)
             {
-                return _statsQueue.ToList();
+                var result = new List<StatisticsData>();
+                foreach (var item in _statsQueue)
+                {
+                    if (item != null)
+                        result.Add(item);
+                }
+                return result;
             }
         }