若版本号包含SNAPSHOT则也不更新

通过Gradle构建出来的JAR版本号为3.1.SNAPSHOT这样的

HMCL/src/main/java/org/jackhuang/hmcl/upgrade/UpdateChecker.java

@@ -78,7 +78,7 @@ public final class UpdateChecker {
 
             @Override
             public void execute() throws Exception {
-                if (Launcher.VERSION.contains("@"))
+                if (isDevelopmentVersion(Launcher.VERSION))
                     return;
 
                 if (value == null) {
@@ -103,6 +103,11 @@ public final class UpdateChecker {
         };
     }
 
+    private boolean isDevelopmentVersion(String version) {
+        return version.contains("@") || // eg. @HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING@
+                version.contains("SNAPSHOT"); // eg. 3.1.SNAPSHOT
+    }
+
     /**
      * Get the <b>cached</b> newest version number, use "process" method to
      * download!