diff --git a/TestProjectKt/build.gradle.kts b/TestProjectKt/build.gradle.kts
index b78da81..4658eb3 100644
--- a/TestProjectKt/build.gradle.kts
+++ b/TestProjectKt/build.gradle.kts
@@ -98,11 +98,14 @@ runMindustry {
         official(version = "v146")
         putDataAt(file = buildDir.resolve("customDataDir"))
     }
-    addClient("default data dir"){
+    addClient("default data dir") {
         official(version = "v146")
         modpack = null
         useDefaultDataDir()
     }
+    addClient("from url") {
+        url("https://github.com/Anuken/Mindustry/releases/download/v146/Mindustry.jar")
+    }
     addClient("debugging") {
         official(version = "v146")
         useModpack(name = "for debugging 2")
diff --git a/main/src/dsl/FileSystem.kt b/main/src/dsl/FileSystem.kt
index 19c3c8e..8da103f 100644
--- a/main/src/dsl/FileSystem.kt
+++ b/main/src/dsl/FileSystem.kt
@@ -23,6 +23,7 @@ fun InputStream.copyToTmpAndMove(file: File) {
     this.use {
         it.copyTo(tmp)
     }
+    file.ensureParentDir()
     tmp.renameTo(file)
     // ignore the error when deleting the temp file
     runCatching {
diff --git a/main/src/run/model/GameSide.kt b/main/src/run/model/GameSide.kt
index b0e8ef3..46693cf 100644
--- a/main/src/run/model/GameSide.kt
+++ b/main/src/run/model/GameSide.kt
@@ -7,6 +7,7 @@ import io.github.liplum.mindustry.LocalProperties.local
 import org.gradle.api.Action
 import org.gradle.api.Project
 import java.io.File
+import java.net.URL
 
 enum class GameSideType {
     Client, Server
@@ -225,8 +226,16 @@ abstract class AddGameSideSpec<T : GameSide> {
         }
     }
 
+    fun url(url: URL) {
+        UrlGameLoc(url).checkAndSet()
+    }
+
+    fun url(url: String) {
+        this.url(URL(url))
+    }
+
     fun localFile(path: String) {
-        LocalGameLoc(File(path)).checkAndSet()
+        this.localFile(File(path))
     }
 
     fun localFile(file: File) {
diff --git a/main/src/run/model/Games.kt b/main/src/run/model/Games.kt
index 67bc289..e030249 100644
--- a/main/src/run/model/Games.kt
+++ b/main/src/run/model/Games.kt
@@ -24,6 +24,18 @@ sealed interface IDownloadableGameLoc : IGameLoc {
 
 sealed interface ILatestDownloadableGameLoc : IDownloadableGameLoc
 
+data class UrlGameLoc(
+    val url: URL
+) : IDownloadableGameLoc {
+    override fun resolveDownloadSrc(): URL = url
+
+    override val fileName4Local: String = "${url.resolve4FileName()}.jar"
+
+    override fun resolveCacheFile(): File {
+        return SharedCache.gamesDir.resolve("url").resolve(fileName4Local)
+    }
+}
+
 data class GitHubGameLoc(
     val user: String,
     val repo: String,
diff --git a/main/src/run/model/Mods.kt b/main/src/run/model/Mods.kt
index 196faf6..0f5c32a 100644
--- a/main/src/run/model/Mods.kt
+++ b/main/src/run/model/Mods.kt
@@ -52,18 +52,10 @@ data class UrlMod(
 ) : IMod {
     constructor(url: String) : this(URL(url))
 
-    override val fileName4Local: String = run {
-        val path: String = url.path
-        val last = path.substring(path.lastIndexOf('/') + 1)
-        if (last.endsWith(".zip")) last else "$last.zip"
-    }
+    override val fileName4Local: String = "${url.resolve4FileName()}.zip"
 
     override fun resolveCacheFile(): File {
-        val urlInBytes = MessageDigest
-            .getInstance("SHA-1")
-            .digest(url.toString().toByteArray())
-        val urlHashed = urlInBytes.toString()
-        return SharedCache.modsDir.resolve("url").resolve(urlHashed)
+        return SharedCache.modsDir.resolve("url").resolve(fileName4Local)
     }
 }
 
diff --git a/main/src/run/model/Utils.kt b/main/src/run/model/Utils.kt
new file mode 100644
index 0000000..3f473e1
--- /dev/null
+++ b/main/src/run/model/Utils.kt
@@ -0,0 +1,18 @@
+package io.github.liplum.mindustry
+
+import java.net.URL
+import java.security.MessageDigest
+
+fun URL.resolve4FileName(): String {
+    val urlInBytes = MessageDigest
+        .getInstance("SHA-1")
+        .digest(this.toString().toByteArray())
+
+    // Convert the byte array to a hexadecimal string
+    val hexString = StringBuilder()
+    for (byte in urlInBytes) {
+        hexString.append(String.format("%02x", byte))
+    }
+
+    return hexString.toString()
+}
\ No newline at end of file