diff --git a/Entity/Character/Character.cs b/Entity/Character/Character.cs
index 9f40818..37da4b0 100644
--- a/Entity/Character/Character.cs
+++ b/Entity/Character/Character.cs
@@ -1190,6 +1190,7 @@ namespace Milimoe.FunGame.Core.Entity
         /// <param name="checkLevelBreak"></param>
         public void OnLevelUp(int level = 0, bool checkLevelBreak = true)
         {
+            bool isUp = false;
             int count = 0;
             while (true)
             {
@@ -1213,6 +1214,7 @@ namespace Milimoe.FunGame.Core.Entity
                 {
                     EXP -= need;
                     Level++;
+                    isUp = true;
                     OnAttributeChanged();
                     Recovery();
                 }
@@ -1221,6 +1223,14 @@ namespace Milimoe.FunGame.Core.Entity
                     break;
                 }
             }
+            if (isUp)
+            {
+                Effect[] effects = [.. Effects.Where(e => e.IsInEffect)];
+                foreach (Effect e in effects)
+                {
+                    e.OnOwnerLevelUp(this, Level);
+                }
+            }
         }
 
         /// <summary>
diff --git a/Entity/Skill/Skill.cs b/Entity/Skill/Skill.cs
index f56e688..61dde4f 100644
--- a/Entity/Skill/Skill.cs
+++ b/Entity/Skill/Skill.cs
@@ -288,6 +288,14 @@ namespace Milimoe.FunGame.Core.Entity
                     }
                 }
             }
+            if (Level > 0 && Character != null)
+            {
+                Effect[] effects = [.. Character.Effects.Where(e => e.IsInEffect)];
+                foreach (Effect e in effects)
+                {
+                    e.OnSkillLevelUp(Character, Level);
+                }
+            }
         }
 
         /// <summary>