diff --git a/app/src/main/java/com/hippo/ehviewer/Settings.java b/app/src/main/java/com/hippo/ehviewer/Settings.java
index d7f0cc9a8..f691c4fd9 100644
--- a/app/src/main/java/com/hippo/ehviewer/Settings.java
+++ b/app/src/main/java/com/hippo/ehviewer/Settings.java
@@ -26,8 +26,8 @@ import android.support.annotation.Nullable;
 import android.util.Log;
 
 import com.hippo.ehviewer.client.EhConfig;
+import com.hippo.ehviewer.client.EhUtils;
 import com.hippo.ehviewer.client.data.FavListUrlBuilder;
-import com.hippo.ehviewer.client.data.ListUrlBuilder;
 import com.hippo.ehviewer.gallery.gl.GalleryView;
 import com.hippo.ehviewer.gallery.gl.ImageView;
 import com.hippo.ehviewer.ui.CommonOperations;
@@ -261,7 +261,7 @@ public class Settings {
     }
 
     public static final String KEY_DEFAULT_CATEGORIES = "default_categories";
-    public static final int DEFAULT_DEFAULT_CATEGORIES = ListUrlBuilder.ALL_CATEGORT;
+    public static final int DEFAULT_DEFAULT_CATEGORIES = EhUtils.ALL_CATEGORY;
 
     public static int getDefaultCategories() {
         return getInt(KEY_DEFAULT_CATEGORIES, DEFAULT_DEFAULT_CATEGORIES);
diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhUtils.java b/app/src/main/java/com/hippo/ehviewer/client/EhUtils.java
index ce71be294..d5fbd8df0 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhUtils.java
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhUtils.java
@@ -29,6 +29,9 @@ public class EhUtils {
     public static final int NONE = -1; // Use it for homepage
     public static final int UNKNOWN = 0x400;
 
+    public static final int ALL_CATEGORY = EhUtils.UNKNOWN - 1;
+    //DOUJINSHI|MANGA|ARTIST_CG|GAME_CG|WESTERN|NON_H|IMAGE_SET|COSPLAY|ASIAN_PORN|MISC;
+
     public static final int BG_COLOR_DOUJINSHI = 0xfff44336;
     public static final int BG_COLOR_MANGA = 0xffff9800;
     public static final int BG_COLOR_ARTIST_CG = 0xfffbc02d;
diff --git a/app/src/main/java/com/hippo/ehviewer/client/data/ListUrlBuilder.java b/app/src/main/java/com/hippo/ehviewer/client/data/ListUrlBuilder.java
index 7713db59d..e0d79dc22 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/data/ListUrlBuilder.java
+++ b/app/src/main/java/com/hippo/ehviewer/client/data/ListUrlBuilder.java
@@ -48,9 +48,6 @@ public class ListUrlBuilder implements Cloneable, Parcelable {
     public static final int MODE_WHATS_HOT = 0x3;
     public static final int MODE_IMAGE_SEARCH = 0x4;
 
-    public static final int ALL_CATEGORT = EhUtils.UNKNOWN - 1;
-    //DOUJINSHI|MANGA|ARTIST_CG|GAME_CG|WESTERN|NON_H|IMAGE_SET|COSPLAY|ASIAN_PORN|MISC;
-
     public static final int DEFAULT_ADVANCE = AdvanceSearchTable.SNAME | AdvanceSearchTable.STAGS;
     public static final int DEFAULT_MIN_RATING = 2;
 
@@ -166,6 +163,30 @@ public class ListUrlBuilder implements Cloneable, Parcelable {
         return q;
     }
 
+    public boolean equalsQuickSearch(QuickSearch q) {
+        if (null == q) {
+            return false;
+        }
+
+        if (q.mode != mMode) {
+            return false;
+        }
+        if (q.category != mCategory) {
+            return false;
+        }
+        if (!StringUtils.equals(q.keyword, mKeyword)) {
+            return false;
+        }
+        if (q.advanceSearch != mAdvanceSearch) {
+            return false;
+        }
+        if (q.minRating != mMinRating) {
+            return false;
+        }
+
+        return true;
+    }
+
     /**
      * @param query xxx=yyy&mmm=nnn
      */
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java
index 429437b82..b8c41ede8 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java
@@ -500,12 +500,21 @@ public final class GalleryListScene extends BaseScene
     private void showAddQuickSearchDialog(final List<QuickSearch> list,
             final ArrayAdapter<QuickSearch> adapter, final ListView listView, final TextView tip) {
         Context context = getContext2();
-        if (null == context || null == mUrlBuilder) {
+        final ListUrlBuilder urlBuilder = mUrlBuilder;
+        if (null == context || null == urlBuilder) {
             return;
         }
 
+        // Check duplicate
+        for (QuickSearch q: list) {
+            if (urlBuilder.equalsQuickSearch(q)) {
+                showTip(getString(R.string.duplicate_quick_search, q.name), LENGTH_SHORT);
+                return;
+            }
+        }
+
         final EditTextDialogBuilder builder = new EditTextDialogBuilder(context,
-                getSuitableTitleForUrlBuilder(context.getResources(), mUrlBuilder, false), getString(R.string.quick_search));
+                getSuitableTitleForUrlBuilder(context.getResources(), urlBuilder, false), getString(R.string.quick_search));
         builder.setTitle(R.string.add_quick_search_dialog_title);
         builder.setPositiveButton(android.R.string.ok, null);
         final AlertDialog dialog = builder.show();
@@ -513,25 +522,36 @@ public final class GalleryListScene extends BaseScene
             @Override
             public void onClick(View v) {
                 String text = builder.getText().trim();
+
+                // Check name empty
                 if (TextUtils.isEmpty(text)) {
                     builder.setError(getString(R.string.name_is_empty));
-                } else {
-                    builder.setError(null);
-                    dialog.dismiss();
-                    QuickSearch quickSearch = mUrlBuilder.toQuickSearch();
-                    quickSearch.name = text;
-                    EhDB.insertQuickSearch(quickSearch);
-                    list.add(quickSearch);
-                    adapter.notifyDataSetChanged();
+                    return;
+                }
 
-                    if (0 == list.size()) {
-                        tip.setVisibility(View.VISIBLE);
-                        listView.setVisibility(View.GONE);
-                    } else {
-                        tip.setVisibility(View.GONE);
-                        listView.setVisibility(View.VISIBLE);
+                // Check name duplicate
+                for (QuickSearch q: list) {
+                    if (text.equals(q.name)) {
+                        builder.setError(getString(R.string.duplicate_name));
+                        return;
                     }
                 }
+
+                builder.setError(null);
+                dialog.dismiss();
+                QuickSearch quickSearch = urlBuilder.toQuickSearch();
+                quickSearch.name = text;
+                EhDB.insertQuickSearch(quickSearch);
+                list.add(quickSearch);
+                adapter.notifyDataSetChanged();
+
+                if (0 == list.size()) {
+                    tip.setVisibility(View.VISIBLE);
+                    listView.setVisibility(View.GONE);
+                } else {
+                    tip.setVisibility(View.GONE);
+                    listView.setVisibility(View.VISIBLE);
+                }
             }
         });
     }
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index da85054c4..44020a1e2 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -139,6 +139,8 @@
     <string name="no_quick_search">这里是快速搜索</string>
     <string name="add_quick_search_tip">画廊列表的状态将被保存为快速搜索。如果你想保存搜索面板的状态，请先执行搜索。</string>
     <string name="readme">读我</string>
+    <string name="duplicate_quick_search">已存在相同的快速搜索，名称为“%s”。</string>
+    <string name="duplicate_name">已存在相同名称</string>
 
     <!-- search_min_rating -->
     <string name="star_2">2 星</string>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index df9e5f5ed..5bd5a0517 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -139,6 +139,8 @@
     <string name="no_quick_search">這裏是快速搜索</string>
     <string name="add_quick_search_tip">畫廊列表的狀態將被保存為快速搜索。如果你想保存搜索面板的狀態，請先執行搜索。</string>
     <string name="readme">讀我</string>
+    <string name="duplicate_quick_search">已存在相同的快速搜索，名稱為“%s”。</string>
+    <string name="duplicate_name">已存在相同名稱</string>
 
     <!-- search_min_rating -->
     <string name="star_2">2 星</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 28b749ec0..118ce8429 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -139,6 +139,8 @@
     <string name="no_quick_search">這裡是快速搜尋</string>
     <string name="add_quick_search_tip">畫廊列表的狀態將被儲存為快速搜尋。如果你想儲存搜尋面板的狀態，請先執行搜尋。</string>
     <string name="readme">讀我</string>
+    <string name="duplicate_quick_search">已存在相同的快速搜尋，名稱為“%s”。</string>
+    <string name="duplicate_name">已存在相同名稱</string>
 
     <!-- search_min_rating -->
     <string name="star_2">2 星</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 616974a6e..6ae10d39e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -181,6 +181,8 @@
     <string name="no_quick_search">Quick search will be shown here</string>
     <string name="add_quick_search_tip">The state of gallery list will be saved as quick search. Apply search first if you want to save the state of search panel.</string>
     <string name="readme">README</string>
+    <string name="duplicate_quick_search">A duplicate quick search exists. The name is \"%s\".</string>
+    <string name="duplicate_name">A duplicate name exists</string>
 
     <!-- search_min_rating -->
     <string name="star_2">2 stars</string>