diff --git a/app/src/main/java/com/github/catvod/net/OkHttp.java b/app/src/main/java/com/github/catvod/net/OkHttp.java
index 2dc492a0..c71057c0 100644
--- a/app/src/main/java/com/github/catvod/net/OkHttp.java
+++ b/app/src/main/java/com/github/catvod/net/OkHttp.java
@@ -37,18 +37,10 @@ public class OkHttp {
         return Loader.INSTANCE;
     }
 
-    public static Response newCall(Request request) throws IOException {
-        return client().newCall(request).execute();
-    }
-
     public static Response newCall(String url) throws IOException {
         return client().newCall(new Request.Builder().url(url).build()).execute();
     }
 
-    public static Response newCall(String url, Map<String, String> header) throws IOException {
-        return client().newCall(new Request.Builder().url(url).headers(Headers.of(header)).build()).execute();
-    }
-
     public static String string(String url) {
         return string(url, null);
     }
@@ -58,7 +50,7 @@ public class OkHttp {
     }
 
     public static String string(String url, Map<String, String> params, Map<String, String> header) {
-        return url.startsWith("http") ? new OkRequest(GET, url, params, header).execute(client()).getBody() : "";
+        return new OkRequest(GET, url, params, header).execute(client()).getBody();
     }
 
     public static String post(String url, Map<String, String> params) {
diff --git a/app/src/main/java/com/github/catvod/net/OkRequest.java b/app/src/main/java/com/github/catvod/net/OkRequest.java
index 004add5c..0a01fe22 100644
--- a/app/src/main/java/com/github/catvod/net/OkRequest.java
+++ b/app/src/main/java/com/github/catvod/net/OkRequest.java
@@ -2,6 +2,7 @@ package com.github.catvod.net;
 
 import android.text.TextUtils;
 
+import com.github.catvod.crawler.SpiderDebug;
 import com.github.catvod.utils.Util;
 
 import java.io.IOException;
@@ -37,10 +38,10 @@ class OkRequest {
         this.method = method;
         this.params = params;
         this.header = header;
-        getInstance();
+        this.buildRequest();
     }
 
-    private void getInstance() {
+    private void buildRequest() {
         Request.Builder builder = new Request.Builder();
         if (method.equals(OkHttp.GET) && params != null) setParams();
         if (method.equals(OkHttp.POST)) builder.post(getRequestBody());
@@ -62,10 +63,10 @@ class OkRequest {
     }
 
     public OkResult execute(OkHttpClient client) {
-        try {
-            Response response = client.newCall(request).execute();
-            return new OkResult(response.code(), response.body().string(), response.headers().toMultimap());
+        try (Response res = client.newCall(request).execute()) {
+            return new OkResult(res.code(), res.body().string(), res.headers().toMultimap());
         } catch (IOException e) {
+            SpiderDebug.log(e);
             return new OkResult();
         }
     }
diff --git a/app/src/main/java/com/github/catvod/spider/Market.java b/app/src/main/java/com/github/catvod/spider/Market.java
index 33a8d135..e3d7b945 100644
--- a/app/src/main/java/com/github/catvod/spider/Market.java
+++ b/app/src/main/java/com/github/catvod/spider/Market.java
@@ -71,6 +71,7 @@ public class Market extends Spider {
             if (file.getName().endsWith(".apk")) FileUtil.openFile(file);
             else Result.notify("下載完成");
             checkCopy(action);
+            response.close();
             dismiss();
             return "";
         } catch (Exception e) {