diff --git a/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/CoreBukkitUtils.java b/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/CoreBukkitUtils.java
index f5121ed..45c811a 100644
--- a/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/CoreBukkitUtils.java
+++ b/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/CoreBukkitUtils.java
@@ -3,7 +3,6 @@ package cn.hamster3.mc.plugin.core.bukkit.util;
 import cn.hamster3.mc.plugin.core.bukkit.listener.CallbackListener;
 import cn.hamster3.mc.plugin.core.common.data.DisplayMessage;
 import com.comphenix.protocol.utility.StreamSerializer;
-import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -281,13 +280,12 @@ public final class CoreBukkitUtils {
     }
 
     @NotNull
-    public static PotionEffect deserializePotionEffect(@NotNull JsonElement element) {
-        JsonObject effectObject = element.getAsJsonObject();
+    public static PotionEffect deserializePotionEffect(@NotNull JsonObject object) {
         //noinspection ConstantConditions
         return new PotionEffect(
-                PotionEffectType.getByName(effectObject.get("type").getAsString()),
-                effectObject.get("duration").getAsInt(),
-                effectObject.get("amplifier").getAsInt()
+                PotionEffectType.getByName(object.get("type").getAsString()),
+                object.get("duration").getAsInt(),
+                object.get("amplifier").getAsInt()
         );
     }
 
diff --git a/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/serializer/PotionEffectAdapter.java b/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/serializer/PotionEffectAdapter.java
index 66a031a..da843e7 100644
--- a/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/serializer/PotionEffectAdapter.java
+++ b/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/util/serializer/PotionEffectAdapter.java
@@ -17,7 +17,7 @@ public final class PotionEffectAdapter implements JsonSerializer<PotionEffect>,
         if (json.isJsonNull()) {
             return null;
         }
-        return CoreBukkitUtils.deserializePotionEffect(json);
+        return CoreBukkitUtils.deserializePotionEffect(json.getAsJsonObject());
     }
 
     @Override