fix: the friend system will cause server crash

Common/Database/CustomSerializeService.cs

@@ -1,4 +1,5 @@
-using Newtonsoft.Json;
+using EggLink.DanhengServer.Util;
+using Newtonsoft.Json;
 using SqlSugar;
 
 namespace EggLink.DanhengServer.Database;
@@ -11,7 +12,8 @@ public class CustomSerializeService : ISerializeService
     {
         _jsonSettings = new JsonSerializerSettings
         {
-            DefaultValueHandling = DefaultValueHandling.Ignore // ignore default values
+            DefaultValueHandling = DefaultValueHandling.Ignore, // ignore default values
+            ObjectCreationHandling = ObjectCreationHandling.Replace
         };
     }
 
@@ -22,7 +24,25 @@ public class CustomSerializeService : ISerializeService
 
     public T DeserializeObject<T>(string value)
     {
-        return JsonConvert.DeserializeObject<T>(value)!;
+        try
+        {
+            var clazz = JsonConvert.DeserializeObject<T>(value)!;
+            return clazz;
+        }
+        catch
+        {
+            // try to create empty instance
+            try
+            {
+                Logger.GetByClassName().Warn("Error occured when load database, resetting the mistake value");
+                var inst = Activator.CreateInstance<T>();
+                return inst;
+            }
+            catch
+            {
+                return default!;
+            }
+        }
     }
 
     public string SugarSerializeObject(object value)

Common/Database/Friend/FriendData.cs

@@ -7,7 +7,11 @@ public class FriendData : BaseDatabaseDataHelper
 {
 
     [SugarColumn(IsJson = true, ColumnDataType = "TEXT")]
-    public Dictionary<int, FriendDetailData> FriendList { get; set; } = [];
+    public Dictionary<int, FriendDetailData> FriendDetailList { get; set; } = [];
+
+
+    [SugarColumn(IsJson = true, ColumnDataType = "TEXT")]
+    public List<FriendDetailData> FriendList { get; set; } = [];  // leave for compatibility
 
     [SugarColumn(IsJson = true)] public List<int> BlackList { get; set; } = [];
 

Common/Database/Lineup/LineupData.cs

@@ -1,4 +1,5 @@
-using EggLink.DanhengServer.Data;
+using System.ComponentModel;
+using EggLink.DanhengServer.Data;
 using EggLink.DanhengServer.Database.Avatar;
 using EggLink.DanhengServer.Database.Quests;
 using EggLink.DanhengServer.Proto;
@@ -27,7 +28,7 @@ public class LineupInfo
     public int LineupType { get; set; }
     public int LeaderAvatarId { get; set; }
     public List<LineupAvatarInfo>? BaseAvatars { get; set; }
-    public int Mp { get; set; } = 5;
+    [DefaultValue(5)] public int Mp { get; set; } = 5;
 
     [JsonIgnore] public LineupData? LineupData { get; set; }
 

Common/Util/ConfigManager.cs

@@ -44,7 +44,10 @@ public static class ConfigManager
         using (var reader = new StreamReader(stream))
         {
             var json = reader.ReadToEnd();
-            Config = JsonConvert.DeserializeObject<ConfigContainer>(json)!;
+            Config = JsonConvert.DeserializeObject<ConfigContainer>(json, new JsonSerializerSettings
+            {
+                ObjectCreationHandling = ObjectCreationHandling.Replace
+            })!;
         }
 
         SaveData(Config, ConfigFilePath);