diff --git a/app/src/main/java/com/fongmi/android/tv/bean/Site.java b/app/src/main/java/com/fongmi/android/tv/bean/Site.java
index a8b05dedb..1b21f4d51 100644
--- a/app/src/main/java/com/fongmi/android/tv/bean/Site.java
+++ b/app/src/main/java/com/fongmi/android/tv/bean/Site.java
@@ -15,6 +15,7 @@ import com.fongmi.android.tv.api.loader.BaseLoader;
 import com.fongmi.android.tv.db.AppDatabase;
 import com.fongmi.android.tv.gson.ExtAdapter;
 import com.github.catvod.crawler.Spider;
+import com.github.catvod.net.OkHttp;
 import com.github.catvod.utils.Json;
 import com.github.catvod.utils.Trans;
 import com.google.gson.JsonElement;
@@ -267,6 +268,13 @@ public class Site implements Parcelable {
         return Headers.of(Json.toMap(getHeader()));
     }
 
+    public Site fetchExt() {
+        if (!getExt().startsWith("http")) return this;
+        String extend = OkHttp.string(getExt());
+        if (!extend.isEmpty()) setExt(extend);
+        return this;
+    }
+
     public Site trans() {
         if (Trans.pass()) return this;
         List<String> categories = new ArrayList<>();
diff --git a/app/src/main/java/com/fongmi/android/tv/model/SiteViewModel.java b/app/src/main/java/com/fongmi/android/tv/model/SiteViewModel.java
index 157d5fe1e..2fd60193b 100644
--- a/app/src/main/java/com/fongmi/android/tv/model/SiteViewModel.java
+++ b/app/src/main/java/com/fongmi/android/tv/model/SiteViewModel.java
@@ -24,7 +24,6 @@ import com.fongmi.android.tv.utils.Sniffer;
 import com.github.catvod.crawler.Spider;
 import com.github.catvod.crawler.SpiderDebug;
 import com.github.catvod.net.OkHttp;
-import com.github.catvod.utils.Json;
 import com.github.catvod.utils.Trans;
 import com.github.catvod.utils.Util;
 
@@ -76,7 +75,7 @@ public class SiteViewModel extends ViewModel {
             } else if (site.getType() == 4) {
                 ArrayMap<String, String> params = new ArrayMap<>();
                 params.put("filter", "true");
-                String homeContent = call(site, params);
+                String homeContent = call(site.fetchExt(), params);
                 SpiderDebug.log(homeContent);
                 return Result.fromJson(homeContent);
             } else {
@@ -239,17 +238,10 @@ public class SiteViewModel extends ViewModel {
     }
 
     private String call(Site site, ArrayMap<String, String> params) throws IOException {
-        String extend = fetchExt(site);
-        if (!extend.isEmpty()) params.put("extend", extend);
+        if (!site.getExt().isEmpty()) params.put("extend", site.getExt());
         Call get = OkHttp.newCall(site.getApi(), site.getHeaders(), params);
         Call post = OkHttp.newCall(site.getApi(), site.getHeaders(), OkHttp.toBody(params));
-        return (extend.length() <= 1000 ? get : post).execute().body().string();
-    }
-
-    private String fetchExt(Site site) {
-        String extend = OkHttp.string(site.getExt(), Json.toMap(site.getHeader()));
-        if (!extend.isEmpty()) site.setExt(extend);
-        return site.getExt();
+        return (site.getExt().length() <= 1000 ? get : post).execute().body().string();
     }
 
     private Result fetchPic(Site site, Result result) throws Exception {
diff --git a/catvod/src/main/java/com/github/catvod/net/OkHttp.java b/catvod/src/main/java/com/github/catvod/net/OkHttp.java
index 2117aff08..261cd3faa 100644
--- a/catvod/src/main/java/com/github/catvod/net/OkHttp.java
+++ b/catvod/src/main/java/com/github/catvod/net/OkHttp.java
@@ -125,7 +125,7 @@ public class OkHttp {
 
     public static String string(String url, Map<String, String> headers) {
         try {
-            return newCall(url, Headers.of(headers)).execute().body().string();
+            return url.startsWith("http") ? newCall(url, Headers.of(headers)).execute().body().string() : "";
         } catch (Exception e) {
             e.printStackTrace();
             return "";