diff --git a/src/main/java/com/hadroncfy/sreplay/SReplayMod.java b/src/main/java/com/hadroncfy/sreplay/SReplayMod.java
index ae1b866..0ef3f2e 100644
--- a/src/main/java/com/hadroncfy/sreplay/SReplayMod.java
+++ b/src/main/java/com/hadroncfy/sreplay/SReplayMod.java
@@ -17,9 +17,6 @@
 import java.util.Collections;
 import java.util.List;
 
-import com.google.gson.JsonParseException;
-import com.hadroncfy.sreplay.asm.MultipleOrdinalFieldInjectionPoint;
-import com.hadroncfy.sreplay.command.SReplayCommand;
 import com.hadroncfy.sreplay.config.Config;
 import com.hadroncfy.sreplay.config.Formats;
 import com.hadroncfy.sreplay.recording.Photographer;
@@ -27,7 +24,6 @@
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.spongepowered.asm.mixin.injection.InjectionPoint;
 
 public class SReplayMod implements ModInitializer {
 
@@ -35,11 +31,9 @@ public class SReplayMod implements ModInitializer {
     private static Config config;
     private static final Server downloadServer = new Server();
 
-    public static final SReplayCommand SREPLAY_COMMAND = new SReplayCommand();
-
     public static Photographer getFake(MinecraftServer server, String name) {
         ServerPlayerEntity player = server.getPlayerManager().getPlayer(name);
-        if (player != null && player instanceof Photographer) {
+        if (player instanceof Photographer) {
             return (Photographer) player;
         }
         return null;
@@ -55,7 +49,7 @@ public static List<File> listRecordings() {
         return files;
     }
 
-    public static void loadConfig() throws IOException, JsonParseException {
+    public static void loadConfig() throws IOException {
         File dir = new File("config");
         if (!dir.exists()) {
             dir.mkdirs();
@@ -83,14 +77,13 @@ public static Formats getFormats() {
 
     @Override
     public void onInitialize() {
-        InjectionPoint.register(MultipleOrdinalFieldInjectionPoint.class);
 
         try {
             SReplayMod.loadConfig();
             Lang.load("zh_cn");
             LOGGER.info("SReplay: Initialzed");
-        } catch (Throwable e) {
-            LOGGER.error("Exception initializing mod: " + e);
+        } catch (Exception e) {
+            LOGGER.error("Exception initializing mod: {}", e);
             e.printStackTrace();
         }
 
@@ -101,13 +94,6 @@ public void onInitialize() {
         if (!config.savePath.exists()) {
             config.savePath.mkdirs();
         }
-
-        try {
-            LOGGER.info("!!!! test: {}",
-                    Class.forName("com.hadroncfy.sreplay.asm.MultipleOrdinalFieldInjectionPoint").getName());
-        } catch (ClassNotFoundException e) {
-            e.printStackTrace();
-        }
     }
     
 }
\ No newline at end of file
diff --git a/src/main/java/com/hadroncfy/sreplay/asm/MixinConfigPlugin.java b/src/main/java/com/hadroncfy/sreplay/asm/MixinConfigPlugin.java
new file mode 100644
index 0000000..cda0a74
--- /dev/null
+++ b/src/main/java/com/hadroncfy/sreplay/asm/MixinConfigPlugin.java
@@ -0,0 +1,48 @@
+package com.hadroncfy.sreplay.asm;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+import org.objectweb.asm.tree.ClassNode;
+import org.spongepowered.asm.mixin.extensibility.IMixinConfigPlugin;
+import org.spongepowered.asm.mixin.extensibility.IMixinInfo;
+import org.spongepowered.asm.mixin.injection.InjectionPoint;
+
+public class MixinConfigPlugin implements IMixinConfigPlugin {
+
+    @Override
+    public void onLoad(String mixinPackage) {
+        InjectionPoint.register(MultipleOrdinalFieldInjectionPoint.class);
+    }
+
+    @Override
+    public String getRefMapperConfig() {
+        return null;
+    }
+
+    @Override
+    public boolean shouldApplyMixin(String targetClassName, String mixinClassName) {
+        return true;
+    }
+
+    @Override
+    public void acceptTargets(Set<String> myTargets, Set<String> otherTargets) {
+        // nop
+    }
+
+    @Override
+    public List<String> getMixins() {
+        return new ArrayList<>();
+    }
+
+    @Override
+    public void preApply(String targetClassName, ClassNode targetClass, String mixinClassName, IMixinInfo mixinInfo) {
+        // nop
+    }
+
+    @Override
+    public void postApply(String targetClassName, ClassNode targetClass, String mixinClassName, IMixinInfo mixinInfo) {
+        // nop
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/hadroncfy/sreplay/mixin/MixinThreadedAnvilChunkStorage.java b/src/main/java/com/hadroncfy/sreplay/mixin/MixinThreadedAnvilChunkStorage.java
index 17bafcc..1072346 100644
--- a/src/main/java/com/hadroncfy/sreplay/mixin/MixinThreadedAnvilChunkStorage.java
+++ b/src/main/java/com/hadroncfy/sreplay/mixin/MixinThreadedAnvilChunkStorage.java
@@ -1,11 +1,11 @@
 package com.hadroncfy.sreplay.mixin;
 
-
 import com.hadroncfy.sreplay.recording.Photographer;
 
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.InjectionPoint;
 import org.spongepowered.asm.mixin.injection.Redirect;
 
 import net.minecraft.network.Packet;
@@ -15,6 +15,8 @@
 
 import static com.hadroncfy.sreplay.recording.Photographer.getRealViewDistance;
 
+import com.hadroncfy.sreplay.asm.MultipleOrdinalFieldInjectionPoint;
+
 @Mixin(ThreadedAnvilChunkStorage.class)
 public abstract class MixinThreadedAnvilChunkStorage {
     @Shadow private int watchDistance;
diff --git a/src/main/resources/sreplay.mixins.json b/src/main/resources/sreplay.mixins.json
index 783e965..8270189 100644
--- a/src/main/resources/sreplay.mixins.json
+++ b/src/main/resources/sreplay.mixins.json
@@ -21,5 +21,6 @@
   "injectors": {
     "defaultRequire": 1
   },
+  "plugin": "com.hadroncfy.sreplay.asm.MixinConfigPlugin",
   "refmap": "sreplay-refmap.json"
 }
\ No newline at end of file