diff --git a/app/src/main/java/com/gh/gamecenter/db/AskSearchHistoryDao.java b/app/src/main/java/com/gh/gamecenter/db/AskSearchHistoryDao.java
index 120a449bec..3ed14146bc 100644
--- a/app/src/main/java/com/gh/gamecenter/db/AskSearchHistoryDao.java
+++ b/app/src/main/java/com/gh/gamecenter/db/AskSearchHistoryDao.java
@@ -27,25 +27,30 @@ public class AskSearchHistoryDao {
 
     public void add(String key, String communityId) {
         try {
-            List<String> all = getAll(communityId);
-            if (!all.contains(key)) dao.createOrUpdate(new AskSearchHistoryInfo(key, communityId));
+            dao.createOrUpdate(createInfo(key, communityId));
         } catch (SQLException e) {
 
             e.printStackTrace();
         }
     }
 
-    public void delete(String item) {
+    private AskSearchHistoryInfo createInfo(String key, String communityId) {
         try {
-            dao.deleteById(item);
+            List<AskSearchHistoryInfo> his = dao.queryBuilder().
+                    orderBy("time", false).
+                    where().eq("communityId", communityId).
+                    query();
+            for (AskSearchHistoryInfo next : his) {
+                if (next.getKey().equals(key)) dao.delete(next);
+            }
         } catch (SQLException e) {
-
             e.printStackTrace();
         }
+
+        return new AskSearchHistoryInfo(key, communityId);
     }
 
     public void deleteAll() {
-
         CloseableIterator<AskSearchHistoryInfo> iterator = dao.iterator();
         while (iterator.hasNext()) {
             try {