diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/Main.java b/HMCL/src/main/java/org/jackhuang/hmcl/Main.java
index f76d74c01..de4f9d48f 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/Main.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/Main.java
@@ -17,16 +17,12 @@
  */
 package org.jackhuang.hmcl;
 
-import org.jackhuang.hmcl.setting.ConfigHolder;
 import org.jackhuang.hmcl.upgrade.UpdateHandler;
-
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.TrustManagerFactory;
 import javax.net.ssl.X509TrustManager;
 import javax.swing.*;
 import java.io.File;
-import java.io.IOException;
-import java.nio.file.Paths;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
@@ -40,6 +36,7 @@ public final class Main {
 
     public static void main(String[] args) {
         System.setProperty("java.net.useSystemProxies", "true");
+        System.setProperty("http.agent", "HMCL/" + Metadata.VERSION);
 
         checkJavaFX();
         checkDirectoryPath();
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/NetworkUtils.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/NetworkUtils.java
index 4796a3950..0f250a8dc 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/NetworkUtils.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/io/NetworkUtils.java
@@ -22,8 +22,6 @@ import java.net.*;
 import java.nio.charset.StandardCharsets;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Objects;
-import java.util.function.Supplier;
 
 import org.jackhuang.hmcl.util.Lang;
 
@@ -39,16 +37,6 @@ public final class NetworkUtils {
     private NetworkUtils() {
     }
 
-    private static Supplier<String> userAgentSupplier = () -> "HMCLCore";
-
-    public static String getUserAgent() {
-        return userAgentSupplier.get();
-    }
-
-    public static void setUserAgentSupplier(Supplier<String> userAgentSupplier) {
-        NetworkUtils.userAgentSupplier = Objects.requireNonNull(userAgentSupplier);
-    }
-
     public static String withQuery(String baseUrl, Map<String, String> params) {
         try {
             StringBuilder sb = new StringBuilder(baseUrl);
@@ -76,7 +64,6 @@ public final class NetworkUtils {
         connection.setUseCaches(false);
         connection.setConnectTimeout(15000);
         connection.setReadTimeout(15000);
-        connection.setRequestProperty("User-Agent", getUserAgent());
         return connection;
     }