diff --git a/w11/CrawlStrategy.java b/w11/CrawlStrategy.java
new file mode 100644
index 0000000..d9d9a74
--- /dev/null
+++ b/w11/CrawlStrategy.java
@@ -0,0 +1,12 @@
+package com.example.datacollect.strategy;
+
+import com.example.datacollect.exception.ParseException;
+import com.example.datacollect.model.Article;
+import org.jsoup.nodes.Document;
+import java.util.List;
+
+public interface CrawlStrategy {
+    List<Article> parse(String url, Document doc) throws ParseException;
+    boolean supports(String url);
+    int getPriority();
+}