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 8487753d5..ce57da49d 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
@@ -28,12 +28,14 @@ public class JarLoader {
     private final ConcurrentHashMap<String, DexClassLoader> loaders;
     private final ConcurrentHashMap<String, Method> methods;
     private final ConcurrentHashMap<String, Spider> spiders;
+    private final ConcurrentHashMap<String, Object> locks;
     private String recent;
 
     public JarLoader() {
         loaders = new ConcurrentHashMap<>();
         methods = new ConcurrentHashMap<>();
         spiders = new ConcurrentHashMap<>();
+        locks = new ConcurrentHashMap<>();
     }
 
     public void clear() {
@@ -41,6 +43,7 @@ public class JarLoader {
         loaders.clear();
         methods.clear();
         spiders.clear();
+        locks.clear();
     }
 
     public void setRecent(String recent) {
@@ -50,18 +53,19 @@ public class JarLoader {
     private void load(String key, File file) {
         if (!Path.exists(file) || !file.setReadOnly()) return;
         if (Thread.interrupted()) return;
-        loaders.put(key, dex(file));
-        invokeInit(key);
-        putProxy(key);
+        DexClassLoader loader = dex(file);
+        invokeInit(loader);
+        invokeProxy(key, loader);
+        loaders.put(key, loader);
     }
 
     private DexClassLoader dex(File file) {
         return new DexClassLoader(file.getAbsolutePath(), Path.jar().getAbsolutePath(), Path.jar().getAbsolutePath(), App.get().getClassLoader());
     }
 
-    private void invokeInit(String key) {
+    private void invokeInit(DexClassLoader loader) {
         try {
-            Class<?> clz = loaders.get(key).loadClass("com.github.catvod.spider.Init");
+            Class<?> clz = loader.loadClass("com.github.catvod.spider.Init");
             Method method = clz.getMethod("init", Context.class);
             method.invoke(clz, App.get());
         } catch (Throwable e) {
@@ -69,9 +73,9 @@ public class JarLoader {
         }
     }
 
-    private void putProxy(String key) {
+    private void invokeProxy(String key, DexClassLoader loader) {
         try {
-            Class<?> clz = loaders.get(key).loadClass("com.github.catvod.spider.Proxy");
+            Class<?> clz = loader.loadClass("com.github.catvod.spider.Proxy");
             Method method = clz.getMethod("proxy", Map.class);
             methods.put(key, method);
         } catch (Throwable e) {
@@ -79,27 +83,30 @@ public class JarLoader {
         }
     }
 
-    public synchronized void parseJar(String key, String jar) {
+    public void parseJar(String key, String jar) {
         if (loaders.containsKey(key)) return;
-        String[] texts = jar.split(";md5;");
-        String md5 = texts.length > 1 ? texts[1].trim() : "";
-        if (md5.startsWith("http")) md5 = OkHttp.string(md5).trim();
-        jar = texts[0];
-        if (!md5.isEmpty() && Util.equals(jar, md5)) {
-            load(key, Path.jar(jar));
-        } else if (jar.startsWith("http")) {
-            load(key, Download.create(jar, Path.jar(jar)).get());
-        } else if (jar.startsWith("file")) {
-            load(key, Path.local(jar));
-        } else if (jar.startsWith("assets")) {
-            parseJar(key, UrlUtil.convert(jar));
+        if (jar.startsWith("assets")) jar = UrlUtil.convert(jar);
+        Object lock = locks.computeIfAbsent(key, k -> new Object());
+        synchronized (lock) {
+            if (loaders.containsKey(key)) return;
+            String[] texts = jar.split(";md5;");
+            String md5 = texts.length > 1 ? texts[1].trim() : "";
+            if (md5.startsWith("http")) md5 = OkHttp.string(md5).trim();
+            jar = texts[0];
+            if (!md5.isEmpty() && Util.equals(jar, md5)) {
+                load(key, Path.jar(jar));
+            } else if (jar.startsWith("http")) {
+                load(key, Download.create(jar, Path.jar(jar)).get());
+            } else if (jar.startsWith("file")) {
+                load(key, Path.local(jar));
+            }
         }
     }
 
     public DexClassLoader dex(String jar) {
         try {
             String jaKey = Util.md5(jar);
-            if (!loaders.containsKey(jaKey)) parseJar(jaKey, jar);
+            parseJar(jaKey, jar);
             return loaders.get(jaKey);
         } catch (Throwable e) {
             e.printStackTrace();
@@ -112,7 +119,7 @@ public class JarLoader {
         String spKey = jaKey + key;
         return spiders.computeIfAbsent(spKey, k -> {
             try {
-                if (!loaders.containsKey(jaKey)) parseJar(jaKey, jar);
+                parseJar(jaKey, jar);
                 Spider spider = (Spider) loaders.get(jaKey).loadClass("com.github.catvod.spider." + api.split("csp_")[1]).newInstance();
                 spider.siteKey = key;
                 spider.init(App.get(), ext);