diff --git a/src/main/java/myutil/URLManager.java b/src/main/java/myutil/URLManager.java
index 89a29adde2fbb6a5e80db01acd82613864bbbcbf..c110fff0accbb65760d3adecf0fe6cd69dc9f11c 100755
--- a/src/main/java/myutil/URLManager.java
+++ b/src/main/java/myutil/URLManager.java
@@ -63,6 +63,7 @@ public final class URLManager implements Runnable {
     private CallbackLoaderInterface callback;
     
     public URLManager() {
+	busy = false;
     }
 
     public synchronized boolean downloadFile(String _path, String _url, CallbackLoaderInterface _callback) {
@@ -94,6 +95,7 @@ public final class URLManager implements Runnable {
 		callback.loadFailed();
 	    }
 	}
+	busy = false;
     }
 
     public static String getRealURL(String url) {