diff --git a/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java b/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java
index 68cdeba..ef38799 100644
--- a/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java
+++ b/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java
@@ -29,6 +29,7 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 /**
  * @author gs
@@ -91,9 +92,18 @@ public class MoneyScraper {
     }
 
 
+    /**
+     * 带有A B 分组的url
+     * @param url
+     * @param httpClient
+     * @param letter
+     * @return
+     * @throws IOException
+     */
     private List<String> sendHttpRequest(String url, HttpClient httpClient, String letter) throws IOException {
+        List<MoneyStock> allMoneyStock = moneyStockRepository.findAll();
         Document document = fetchStockDetails(url);
-        extractExchangeDetails(document);
+        extractExchangeDetails(document,allMoneyStock);
         List<String> result = new ArrayList<>();
         result.add("Thread " + Thread.currentThread().getName() + " processed letters: " + letter);
         return result;
@@ -137,6 +147,11 @@ public class MoneyScraper {
     }
 
 
+    /**
+     * 获取全部股票url_self
+     * @param url
+     * @return
+     */
     public static Document fetchStockDetails(String url) {
         return fetchDocumentWithRetry(url);
     }
@@ -173,16 +188,19 @@ public class MoneyScraper {
     }
 
 
-    public  void extractExchangeDetails(Document soup) {
+    public  void extractExchangeDetails(Document soup,List<MoneyStock> moneyStockHadSavedList) {
         Elements companies = soup.select("table.pcq_tbl.MT10");
-
+        List<String> hadSaveUrl = moneyStockHadSavedList.stream().map(MoneyStock::getSelfUrl).collect(Collectors.toList());
         for (Element company : companies) {
             Elements elements = company.select("tr > td > a");
 
             for (Element element : elements) {
                 String textContent = element.text().trim();
                 String linkAttribute = element.attr("href");
-
+                if(hadSaveUrl.contains(linkAttribute)){
+                    log.error(Thread.currentThread().getName()+"已经存在了不需要重复保存,company_name: " + textContent + ", Link Attribute: " + linkAttribute);
+                    continue;
+                }
                 log.info(Thread.currentThread().getName()+",Text Content: " + textContent + ", Link Attribute: " + linkAttribute);
                 Document soup2 = fetchCompanyDetails(linkAttribute);