diff --git a/app/src/main/java/com/github/catvod/ali/API.java b/app/src/main/java/com/github/catvod/ali/API.java
index 1104d8a..b92cad7 100644
--- a/app/src/main/java/com/github/catvod/ali/API.java
+++ b/app/src/main/java/com/github/catvod/ali/API.java
@@ -39,7 +39,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -439,10 +438,10 @@ public class API {
     }
 
     private void deleteAll() {
-        Iterator<String> iterator = tempIds.iterator();
-        while (iterator.hasNext()) {
-            boolean deleted = delete(iterator.next());
-            if (deleted) iterator.remove();
+        List<String> ids = new ArrayList<>(tempIds);
+        for (String id : ids) {
+            boolean deleted = delete(id);
+            if (deleted) tempIds.remove(id);
         }
     }
 
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index fa86b11..3baa427 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 123c3b0..67a4d67 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-4556ab64060bfdf40d0e6dcc0145862e
+af37ed94ebfb6af49a33d48a6fe005da