diff --git a/app/src/main/java/com/fongmi/android/tv/api/loader/JarLoader.java b/app/src/main/java/com/fongmi/android/tv/api/loader/JarLoader.java
index 6d17a9d6a..03a2e0ff5 100644
--- a/app/src/main/java/com/fongmi/android/tv/api/loader/JarLoader.java
+++ b/app/src/main/java/com/fongmi/android/tv/api/loader/JarLoader.java
@@ -80,7 +80,7 @@ public class JarLoader {
         }
     }
 
-    public void parseJar(String key, String jar) {
+    public synchronized void parseJar(String key, String jar) {
         if (loaders.containsKey(key)) return;
         String[] texts = jar.split(";md5;");
         String md5 = texts.length > 1 ? texts[1].trim() : "";