diff --git a/pom.xml b/pom.xml
index 5f7d533..42a67ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>com.imyeyu.network</groupId>
 	<artifactId>timi-network</artifactId>
-	<version>0.0.2</version>
+	<version>0.0.3</version>
 	<packaging>jar</packaging>
 
 	<properties>
diff --git a/src/main/java/com/imyeyu/network/ArgMap.java b/src/main/java/com/imyeyu/network/ArgMap.java
index 455c4a4..bbb8631 100644
--- a/src/main/java/com/imyeyu/network/ArgMap.java
+++ b/src/main/java/com/imyeyu/network/ArgMap.java
@@ -35,6 +35,36 @@ public class ArgMap<K, V> extends HashMap<K, V> {
 	}
 
 	public String toURL(String url) {
-		return url + "?" + toURL();
+		StringBuilder sb = new StringBuilder(url);
+		if (url.contains("?")) {
+			if (!url.endsWith("?") && !url.endsWith("&")) {
+				sb.append('&');
+			}
+			sb.append(toURL());
+			return sb.toString();
+		} else {
+			return url + "?" + toURL();
+		}
+	}
+
+	public static <K, V> ArgMap<K, V> of(K key, V value) {
+		ArgMap<K, V> map = new ArgMap<>();
+		map.put(key, value);
+		return map;
+	}
+
+	public static <K, V> ArgMap<K, V> of(K key1, V value1, K key2, V value2) {
+		ArgMap<K, V> map = new ArgMap<>();
+		map.put(key1, value1);
+		map.put(key2, value2);
+		return map;
+	}
+
+	public static <K, V> ArgMap<K, V> of(K key1, V value1, K key2, V value2, K key3, V value3) {
+		ArgMap<K, V> map = new ArgMap<>();
+		map.put(key1, value1);
+		map.put(key2, value2);
+		map.put(key3, value3);
+		return map;
 	}
 }
diff --git a/src/test/java/com/imyeyu/network/test/ArgMapTest.java b/src/test/java/com/imyeyu/network/test/ArgMapTest.java
new file mode 100644
index 0000000..6ff5bbe
--- /dev/null
+++ b/src/test/java/com/imyeyu/network/test/ArgMapTest.java
@@ -0,0 +1,27 @@
+package com.imyeyu.network.test;
+
+import com.imyeyu.network.ArgMap;
+import org.junit.Test;
+
+/**
+ *
+ *
+ * @author 夜雨
+ * @since 2026-02-10 12:45
+ */
+public class ArgMapTest {
+
+	@Test
+	public void toURLTest() {
+		assert ArgMap.of("key", "value").toURL("/detail").equals("/detail?key=value");
+		assert ArgMap.of("key", "value").toURL("/detail?").equals("/detail?key=value");
+		assert ArgMap.of("key", "value").toURL("/detail?id=123").equals("/detail?id=123&key=value");
+		assert ArgMap.of("key", "value").toURL("/detail?id=123&").equals("/detail?id=123&key=value");
+		assert ArgMap.of("key", "value").toURL("http://localhost/detail").equals("http://localhost/detail?key=value");
+		assert ArgMap.of("key", "value").toURL("http://localhost/detail?").equals("http://localhost/detail?key=value");
+
+		String uri = ArgMap.of("key", "value").toURL("/detail?id=123");
+		String url = ArgMap.of("newKey", "newValue").toURL("http://localhost/test" + uri);
+		assert url.equals("http://localhost/test/detail?id=123&key=value&newKey=newValue");
+	}
+}