diff --git a/JackCraft.Config/Config.cs b/JackCraft.Config/Config.cs
index f633fbd..ec5e5cc 100644
--- a/JackCraft.Config/Config.cs
+++ b/JackCraft.Config/Config.cs
@@ -41,17 +41,23 @@ public class Config
 
     public T? Get<T>(string key, T? defaultValue)
     {
+        LoadConfigData();
         var keys = key.Split('.');
         var currentData = _configData;
         for (var i = 0; i < keys.Length - 1; i++)
         {
             if (!currentData.TryGetValue(keys[i], out var tValue)) return defaultValue;
-            if (tValue is JObject jObject)
-                currentData = jObject.ToObject<Dictionary<string, object>>();
-            else if (tValue is Dictionary<string, object> nestedDict)
-                currentData = nestedDict;
-            else
-                return defaultValue;
+            switch (tValue)
+            {
+                case JObject jObject:
+                    currentData = jObject.ToObject<Dictionary<string, object>>() ?? new Dictionary<string, object>();
+                    break;
+                case Dictionary<string, object> nestedDict:
+                    currentData = nestedDict;
+                    break;
+                default:
+                    return defaultValue;
+            }
         }
 
         if (currentData.TryGetValue(keys[^1], out var result) && result is T typedResult) return typedResult;
@@ -61,6 +67,7 @@ public class Config
 
     public void Set<T>(string key, T? value)
     {
+        LoadConfigData();
         var keys = key.Split('.');
         var currentData = _configData;
         for (var i = 0; i < keys.Length - 1; i++)