修复不能启动的问题

Author: asforest

build.gradle.kts

@@ -36,8 +36,8 @@ tasks.withType<ShadowJar> {
     manifest {
         attributes("Version" to archiveVersion.get())
         attributes("Git-Commit" to (gitCommitSha ?: ""))
-        attributes("Main-Class" to "com.github.balloonupdate.mcpatch.client")
-        attributes("Premain-Class" to "com.github.balloonupdate.mcpatch.client")
+        attributes("Main-Class" to "com.github.balloonupdate.mcpatch.client.Main")
+        attributes("Premain-Class" to "com.github.balloonupdate.mcpatch.client.Main")
     }
 
     archiveClassifier.set("")

src/main/java/com/github/balloonupdate/mcpatch/client/utils/Env.java

@@ -59,6 +59,9 @@ public static Path getJarPath()
             try {
                 String url = URLDecoder.decode(Env.class.getProtectionDomain().getCodeSource().getLocation().getFile(), "UTF-8").replace("\\", "/");
 
+                if (url.startsWith("/"))
+                    url = url.substring(1);
+
                 if (url.endsWith(".class") && url.contains("!")) {
                     String path = url.substring(0, url.lastIndexOf("!"));