diff --git a/build.gradle b/build.gradle
index c67e0f3..2c39f09 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,6 +35,10 @@ dependencies {
 	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
 }
 
+loom {
+	accessWidenerPath = file("src/main/resources/slsa.accesswidener")
+}
+
 processResources {
 	inputs.property "version", project.version
 
diff --git a/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinItemEntity.java b/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinItemEntity.java
index 15364c9..417f080 100644
--- a/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinItemEntity.java
+++ b/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinItemEntity.java
@@ -1,11 +1,11 @@
 package com.github.zly2006.carpetslsaddition.mixin.entity;
 
 import com.github.zly2006.carpetslsaddition.SLSCarpetSettings;
-import com.github.zly2006.carpetslsaddition.ServerMain;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
 import net.minecraft.entity.ItemEntity;
 import net.minecraft.entity.damage.DamageSource;
+import net.minecraft.entity.damage.DamageTypes;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
 import net.minecraft.world.World;
@@ -29,8 +29,7 @@ public abstract class MixinItemEntity extends Entity {
 
     @Inject(method = "damage", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/ItemEntity;discard()V"), cancellable = true)
     private void damage(DamageSource source, float amount, CallbackInfoReturnable<Boolean> cir) {
-        // TODO: 迁移至1.19.4时，需要修改DamageSource相关逻辑
-        if (source == this.getDamageSources().fallingAnvil() && SLSCarpetSettings.obtainableReinforcedDeepSlate) {
+        if (source.getTypeRegistryEntry().matchesKey(DamageTypes.FALLING_ANVIL) && SLSCarpetSettings.obtainableReinforcedDeepSlate) {
             if ((getStack().isOf(Items.DEEPSLATE) || getStack().isOf(Items.COBBLED_DEEPSLATE))
                     && getStack().getCount() == 64) {
                 setStack(new ItemStack(Items.REINFORCED_DEEPSLATE));
diff --git a/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinServerPlayerEntity.java b/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinServerPlayerEntity.java
index 2e7d317..1418c99 100644
--- a/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinServerPlayerEntity.java
+++ b/src/main/java/com/github/zly2006/carpetslsaddition/mixin/entity/MixinServerPlayerEntity.java
@@ -5,13 +5,11 @@ import com.github.zly2006.carpetslsaddition.util.SitEntity;
 import com.mojang.authlib.GameProfile;
 import net.minecraft.entity.decoration.ArmorStandEntity;
 import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.network.encryption.PlayerPublicKey;
 import net.minecraft.network.packet.s2c.play.EntityTrackerUpdateS2CPacket;
 import net.minecraft.server.network.ServerPlayNetworkHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
-import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 
@@ -60,8 +58,7 @@ public abstract class MixinServerPlayerEntity extends PlayerEntity {
             // 同步潜行状态到客户端
             // 如果不同步的话客户端会认为仍在潜行，从而碰撞箱的高度会计算错误
             if (sneakTimes == 0 && this.networkHandler != null) {
-                // TODO: 构造函数改变，需要进行适配
-                this.networkHandler.sendPacket(new EntityTrackerUpdateS2CPacket(this.getId(), this.getDataTracker(), true));
+                this.networkHandler.sendPacket(new EntityTrackerUpdateS2CPacket(this.getId(), this.getDataTracker().getChangedEntries()));
             }
         }
     }
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index 1f333d5..fe57684 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -19,6 +19,7 @@
       "com.github.zly2006.carpetslsaddition.ServerMain"
     ]
   },
+  "accessWidener": "slsa.accesswidener",
   "mixins": [
     "slsaddition.mixins.json"
   ],
diff --git a/src/main/resources/slsa.accesswidener b/src/main/resources/slsa.accesswidener
new file mode 100644
index 0000000..3fde517
--- /dev/null
+++ b/src/main/resources/slsa.accesswidener
@@ -0,0 +1 @@
+accessWidener v1 named