diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 550b373..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,29 +0,0 @@
-# gradle
-
-.gradle/
-build/
-out/
-classes/
-
-# eclipse
-
-*.launch
-
-# idea
-
-.idea/
-*.iml
-*.ipr
-*.iws
-
-# vscode
-
-.settings/
-.vscode/
-bin/
-.classpath
-.project
-
-# fabric
-
-run/
diff --git a/README.md b/README.md
index fd96346..4adb0fd 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,4 @@
-# Fabric Example Mod
+# Lag Remover
 
-## Setup
-
-For setup instructions please see the [fabric wiki page](https://fabricmc.net/wiki/tutorial:setup) that relates to the IDE that you are using.
-
-## License
-
-This template is available under the CC0 license. Feel free to learn from it and incorporate it in your own projects.
+## 用途
+用于修复Minecraft在主线程获取头颅皮肤导致Minecraft卡死5秒的Bug。不确定在其他国家也有这个问题。
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
deleted file mode 100644
index 8d86f6d..0000000
--- a/build.gradle
+++ /dev/null
@@ -1,77 +0,0 @@
-plugins {
-	id 'fabric-loom' version '0.2.7-SNAPSHOT'
-	id 'maven-publish'
-}
-
-sourceCompatibility = JavaVersion.VERSION_1_8
-targetCompatibility = JavaVersion.VERSION_1_8
-
-archivesBaseName = project.archives_base_name
-version = project.mod_version
-group = project.maven_group
-
-dependencies {
-	//to change the versions see the gradle.properties file
-	minecraft "com.mojang:minecraft:${project.minecraft_version}"
-	mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
-	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
-
-	// Fabric API. This is technically optional, but you probably want it anyway.
-	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
-
-	// PSA: Some older mods, compiled on Loom 0.2.1, might have outdated Maven POMs.
-	// You may need to force-disable transitiveness on them.
-}
-
-processResources {
-	inputs.property "version", project.version
-
-	from(sourceSets.main.resources.srcDirs) {
-		include "fabric.mod.json"
-		expand "version": project.version
-	}
-
-	from(sourceSets.main.resources.srcDirs) {
-		exclude "fabric.mod.json"
-	}
-}
-
-// ensure that the encoding is set to UTF-8, no matter what the system default is
-// this fixes some edge cases with special characters not displaying correctly
-// see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
-tasks.withType(JavaCompile) {
-	options.encoding = "UTF-8"
-}
-
-// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
-// if it is present.
-// If you remove this task, sources will not be generated.
-task sourcesJar(type: Jar, dependsOn: classes) {
-	classifier = "sources"
-	from sourceSets.main.allSource
-}
-
-jar {
-	from "LICENSE"
-}
-
-// configure the maven publication
-publishing {
-	publications {
-		mavenJava(MavenPublication) {
-			// add all the jars that should be included when publishing to maven
-			artifact(remapJar) {
-				builtBy remapJar
-			}
-			artifact(sourcesJar) {
-				builtBy remapSourcesJar
-			}
-		}
-	}
-
-	// select the repositories you want to publish to
-	repositories {
-		// uncomment to publish to the local maven
-		// mavenLocal()
-	}
-}
diff --git a/gradle.properties b/gradle.properties
index 563fe65..f5c558b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,14 +4,15 @@ org.gradle.jvmargs=-Xmx1G
 # Fabric Properties
 	# check these on https://fabricmc.net/use
 	minecraft_version=1.15.2
-	yarn_mappings=1.15.2+build.15
-	loader_version=0.8.2+build.194
+	yarn_mappings=1.15.2+build.14
+	loader_version=0.7.8+build.184
 
 # Mod Properties
 	mod_version = 1.0.0
-	maven_group = net.fabricmc
-	archives_base_name = fabric-example-mod
+	maven_group = tv.calibur
+	archives_base_name = LagRemover
 
 # Dependencies
 	# currently not on the main fabric site, check on the maven: https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api
-	fabric_version=0.5.1+build.294-1.15
+	fabric_version=0.4.32+build.292-1.15
+	
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index f3d88b1..5c2d1cf 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index a4b4429..4a6ebce 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
old mode 100755
new mode 100644
index 2fe81a7..8e25e6c
--- a/gradlew
+++ b/gradlew
@@ -125,8 +125,8 @@ if $darwin; then
     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
 fi
 
-# For Cygwin or MSYS, switch paths to Windows format before running java
-if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
     JAVACMD=`cygpath --unix "$JAVACMD"`
@@ -154,19 +154,19 @@ if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=`expr $i + 1`
+        i=$((i+1))
     done
     case $i in
-        0) set -- ;;
-        1) set -- "$args0" ;;
-        2) set -- "$args0" "$args1" ;;
-        3) set -- "$args0" "$args1" "$args2" ;;
-        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
@@ -175,9 +175,14 @@ save () {
     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
     echo " "
 }
-APP_ARGS=`save "$@"`
+APP_ARGS=$(save "$@")
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
 exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index 62bd9b9..9618d8d 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -29,9 +29,6 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
-@rem Resolve any "." and ".." in APP_HOME to make it shorter.
-for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
-
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
diff --git a/src/main/java/net/fabricmc/example/ExampleMod.java b/src/main/java/net/fabricmc/example/ExampleMod.java
deleted file mode 100644
index e5ed082..0000000
--- a/src/main/java/net/fabricmc/example/ExampleMod.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package net.fabricmc.example;
-
-import net.fabricmc.api.ModInitializer;
-
-public class ExampleMod implements ModInitializer {
-	@Override
-	public void onInitialize() {
-		// This code runs as soon as Minecraft is in a mod-load-ready state.
-		// However, some things (like resources) may still be uninitialized.
-		// Proceed with mild caution.
-
-		System.out.println("Hello Fabric world!");
-	}
-}
diff --git a/src/main/java/net/fabricmc/example/mixin/ExampleMixin.java b/src/main/java/net/fabricmc/example/mixin/ExampleMixin.java
deleted file mode 100644
index 83ee1a8..0000000
--- a/src/main/java/net/fabricmc/example/mixin/ExampleMixin.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package net.fabricmc.example.mixin;
-
-import net.minecraft.client.gui.screen.TitleScreen;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-@Mixin(TitleScreen.class)
-public class ExampleMixin {
-	@Inject(at = @At("HEAD"), method = "init()V")
-	private void init(CallbackInfo info) {
-		System.out.println("This line is printed by an example mod mixin!");
-	}
-}
diff --git a/src/main/java/tv/calibur/lagremover/Main.java b/src/main/java/tv/calibur/lagremover/Main.java
new file mode 100644
index 0000000..cb71839
--- /dev/null
+++ b/src/main/java/tv/calibur/lagremover/Main.java
@@ -0,0 +1,10 @@
+package tv.calibur.lagremover;
+
+import net.fabricmc.api.ModInitializer;
+
+public class Main implements ModInitializer {
+    @Override
+    public void onInitialize() {
+        System.out.println("Loaded");
+    }
+}
diff --git a/src/main/java/tv/calibur/lagremover/mixin/Remover.java b/src/main/java/tv/calibur/lagremover/mixin/Remover.java
new file mode 100644
index 0000000..bb4f023
--- /dev/null
+++ b/src/main/java/tv/calibur/lagremover/mixin/Remover.java
@@ -0,0 +1,15 @@
+package tv.calibur.lagremover.mixin;
+
+import com.mojang.authlib.GameProfile;
+import net.minecraft.block.entity.SkullBlockEntity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+
+@Mixin(value = SkullBlockEntity.class)
+public class Remover {
+	@Overwrite
+	public static GameProfile loadProperties(GameProfile profile) {
+		System.out.println("Skipping Load Skull Skin");
+		return profile;
+	}
+}
diff --git a/src/main/resources/modid.mixins.json b/src/main/resources/LagRemover.mixins.json
similarity index 72%
rename from src/main/resources/modid.mixins.json
rename to src/main/resources/LagRemover.mixins.json
index 21fe73a..b3e43d2 100644
--- a/src/main/resources/modid.mixins.json
+++ b/src/main/resources/LagRemover.mixins.json
@@ -1,12 +1,12 @@
 {
   "required": true,
   "minVersion": "0.8",
-  "package": "net.fabricmc.example.mixin",
+  "package": "tv.calibur.lagremover.mixin",
   "compatibilityLevel": "JAVA_8",
   "mixins": [
   ],
   "client": [
-    "ExampleMixin"
+    "Remover"
   ],
   "injectors": {
     "defaultRequire": 1
diff --git a/src/main/resources/assets/calibur/calibur.png b/src/main/resources/assets/calibur/calibur.png
new file mode 100644
index 0000000..d3cc500
Binary files /dev/null and b/src/main/resources/assets/calibur/calibur.png differ
diff --git a/src/main/resources/assets/modid/icon.png b/src/main/resources/assets/modid/icon.png
deleted file mode 100644
index 047b91f..0000000
Binary files a/src/main/resources/assets/modid/icon.png and /dev/null differ
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index 197c798..272fed3 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -1,34 +1,36 @@
 {
   "schemaVersion": 1,
-  "id": "modid",
-  "version": "${version}",
+  "id": "lagremover",
+  "version": "1.0.0",
 
-  "name": "Example Mod",
-  "description": "This is an example description! Tell everyone what your mod is about!",
+  "name": "Lag Remover",
+  "description": "Remove the lag caused by the player's head block.",
   "authors": [
-    "Me!"
+    "Margele"
   ],
   "contact": {
-    "homepage": "https://fabricmc.net/",
-    "sources": "https://github.com/FabricMC/fabric-example-mod"
+    "homepage": "https://github.com/Calibur-Pixel",
+	"source": "https://github.com/Calibur-Pixel/LagRemover",
+	"issues": "https://github.com/Calibur-Pixel/LagRemover/issues"
   },
 
   "license": "CC0-1.0",
-  "icon": "assets/modid/icon.png",
+  "icon": "assets/calibur/calibur.png",
 
-  "environment": "*",
+  "environment": "client",
   "entrypoints": {
     "main": [
-      "net.fabricmc.example.ExampleMod"
+      "tv.calibur.lagremover.Main"
     ]
   },
   "mixins": [
-    "modid.mixins.json"
+    "LagRemover.mixins.json"
   ],
-
+  "custom": {
+    "modmenu:clientsideOnly": true
+  },
   "depends": {
     "fabricloader": ">=0.7.4",
-    "fabric": "*",
     "minecraft": "1.15.x"
   },
   "suggests": {