diff --git a/src/main/java/com/lovenav/dao/CollectIconListDao.java b/src/main/java/com/lovenav/dao/CollectIconListDao.java
index b115607..8ed362d 100644
--- a/src/main/java/com/lovenav/dao/CollectIconListDao.java
+++ b/src/main/java/com/lovenav/dao/CollectIconListDao.java
@@ -23,5 +23,5 @@ public interface CollectIconListDao {
 
     int updateByPrimaryKey(CollectIconList record);
 
-    List<CollectIconList> selectByUrlid(int urlid);
+    String selectByUrlid(int urlid);
 }
\ No newline at end of file
diff --git a/src/main/java/com/lovenav/service/serviceImpl/QRCServiceImpl.java b/src/main/java/com/lovenav/service/serviceImpl/QRCServiceImpl.java
index a71f1c0..81dbe1a 100644
--- a/src/main/java/com/lovenav/service/serviceImpl/QRCServiceImpl.java
+++ b/src/main/java/com/lovenav/service/serviceImpl/QRCServiceImpl.java
@@ -27,8 +27,8 @@ public class QRCServiceImpl implements QRCService{
 
         UrlList urlList = urlListDao.selectByPrimaryKey(Long.valueOf(collect.getUrl_id()));
         String url = urlList.getUrl();
-        List<CollectIconList> list = collectIconListDao.selectByUrlid(collect.getUrl_id());
-        if (list.size() == 0 && collect.getUrl_id()!=null) {
+        String list = collectIconListDao.selectByUrlid(collect.getUrl_id());
+        if (list == null && collect.getUrl_id()!=null) {
             String base64 = QRCodeUtil.ImageToBase64(QRCodeUtil.encode(url, logoPath, destPath, true));
             collect.setQr_url(base64);
             collectIconListDao.insert(collect);