diff --git a/app/src/main/java/com/github/catvod/spider/Bili.java b/app/src/main/java/com/github/catvod/spider/Bili.java
index 92e3a383..4afd5199 100644
--- a/app/src/main/java/com/github/catvod/spider/Bili.java
+++ b/app/src/main/java/com/github/catvod/spider/Bili.java
@@ -9,6 +9,7 @@ import android.view.Gravity;
 import android.webkit.CookieManager;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
+
 import com.github.catvod.bean.Class;
 import com.github.catvod.bean.Result;
 import com.github.catvod.bean.Vod;
@@ -195,7 +196,6 @@ public class Bili extends Spider {
         checkService();
     }
 
-
     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     private void loadWebView() {
         CookieManager cookieManager = CookieManager.getInstance();
@@ -206,7 +206,7 @@ public class Bili extends Spider {
         OkHttp.stringNoRedirect(finalUrl, getHeaders(), respHeaderMap);
         cookie = "";
         for (String kk : Objects.requireNonNull(respHeaderMap.get("set-cookie"))) {
-            cookie += kk.split(";")[0] + ";";
+            cookie = cookie.concat(kk.split(";")[0] + ";");
         }
         Prefers.put("BiliCookie", cookie);
     }
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index 3c9311bb..7f53229b 100644
Binary files a/jar/custom_spider.jar and b/jar/custom_spider.jar differ
diff --git a/jar/custom_spider.jar.md5 b/jar/custom_spider.jar.md5
index c8bf21f6..edec404f 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-a3a0ad16814a815fdad26b236cdd5a05
+5b77e550fc0e997d1c7ec4dc9eca695a