diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
index 3fe069315..52a918c62 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
@@ -218,7 +218,7 @@ public class EhEngine {
             // Filter tag
             for (int i = 0, n = list.size(); i < n; i++) {
                 GalleryInfo info = list.get(i);
-                if (!sEhFilter.filterTag(info)) {
+                if (!sEhFilter.filterTag(info) || !sEhFilter.filterTagNamespace(info)) {
                     list.remove(i);
                     i--;
                     n--;
@@ -616,29 +616,9 @@ public class EhEngine {
             throw e;
         }
 
-        // Filter title
-        for (int i = 0, n = list.size(); i < n; i++) {
-            GalleryInfo info = list.get(i);
-            if (!sEhFilter.filterTitle(info)) {
-                list.remove(i);
-                i--;
-                n--;
-            }
-        }
-
         if (list.size() > 0) {
             // Fill by api
             fillGalleryListByApi(task, okHttpClient, list);
-
-            // Filter uploader and tag
-            for (int i = 0, n = list.size(); i < n; i++) {
-                GalleryInfo info = list.get(i);
-                if (!sEhFilter.filterUploader(info) || !sEhFilter.filterTag(info)) {
-                    list.remove(i);
-                    i--;
-                    n--;
-                }
-            }
         }
 
         return list;
diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhFilter.java b/app/src/main/java/com/hippo/ehviewer/client/EhFilter.java
index 3b5a73da3..62e19e543 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhFilter.java
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhFilter.java
@@ -32,10 +32,12 @@ public final class EhFilter {
     public static final int MODE_TITLE = 0;
     public static final int MODE_UPLOADER = 1;
     public static final int MODE_TAG = 2;
+    public static final int MODE_TAG_NAMESPACE = 3;
 
     private final List<Filter> mTitleFilterList = new ArrayList<>();
     private final List<Filter> mUploaderFilterList = new ArrayList<>();
     private final List<Filter> mTagFilterList = new ArrayList<>();
+    private final List<Filter> mTagNamespaceFilterList = new ArrayList<>();
 
     private static EhFilter sInstance;
 
@@ -62,6 +64,10 @@ public final class EhFilter {
                     filter.text = filter.text.toLowerCase();
                     mTagFilterList.add(filter);
                     break;
+                case MODE_TAG_NAMESPACE:
+                    filter.text = filter.text.toLowerCase();
+                    mTagNamespaceFilterList.add(filter);
+                    break;
                 default:
                     Log.d(TAG, "Unknown mode: " + filter.mode);
                     break;
@@ -81,6 +87,10 @@ public final class EhFilter {
         return mTagFilterList;
     }
 
+    public List<Filter> getTagNamespaceFilterList() {
+        return mTagNamespaceFilterList;
+    }
+
     public synchronized void addFilter(Filter filter) {
         EhDB.addFilter(filter);
 
@@ -93,8 +103,13 @@ public final class EhFilter {
                 mUploaderFilterList.add(filter);
                 break;
             case MODE_TAG:
+                filter.text = filter.text.toLowerCase();
                 mTagFilterList.add(filter);
                 break;
+            case MODE_TAG_NAMESPACE:
+                filter.text = filter.text.toLowerCase();
+                mTagNamespaceFilterList.add(filter);
+                break;
             default:
                 Log.d(TAG, "Unknown mode: " + filter.mode);
                 break;
@@ -114,6 +129,9 @@ public final class EhFilter {
             case MODE_TAG:
                 mTagFilterList.remove(filter);
                 break;
+            case MODE_TAG_NAMESPACE:
+                mTagNamespaceFilterList.remove(filter);
+                break;
             default:
                 Log.d(TAG, "Unknown mode: " + filter.mode);
                 break;
@@ -121,7 +139,7 @@ public final class EhFilter {
     }
 
     public synchronized boolean needCallApi() {
-        return 0 != mTagFilterList.size();
+        return 0 != mTagFilterList.size() || 0 != mTagNamespaceFilterList.size();
     }
 
     public synchronized boolean filterTitle(GalleryInfo info) {
@@ -220,4 +238,39 @@ public final class EhFilter {
 
         return true;
     }
+
+    private boolean matchTagNamespace(String tag, String filter) {
+        if (null == tag || null == filter) {
+            return false;
+        }
+
+        String tagNamespace;
+        int index = tag.indexOf(':');
+        if (index >= 0) {
+            tagNamespace = tag.substring(0, index);
+            return tagNamespace.equals(filter);
+        } else {
+            return false;
+        }
+    }
+
+    public synchronized boolean filterTagNamespace(GalleryInfo info) {
+        if (null == info) {
+            return false;
+        }
+
+        String[] tags = info.simpleTags;
+        List<Filter> filters = mTagNamespaceFilterList;
+        if (null != tags && filters.size() > 0) {
+            for (String tag: tags) {
+                for (int i = 0, n = filters.size(); i < n; i++) {
+                    if (matchTagNamespace(tag, filters.get(i).text)) {
+                        return false;
+                    }
+                }
+            }
+        }
+
+        return true;
+    }
 }
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/FilterActivity.java b/app/src/main/java/com/hippo/ehviewer/ui/FilterActivity.java
index b32a9bf2e..458ddfd17 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/FilterActivity.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/FilterActivity.java
@@ -331,16 +331,19 @@ public class FilterActivity extends ToolbarActivity {
         private final List<Filter> mTitleFilterList;
         private final List<Filter> mUploaderFilterList;
         private final List<Filter> mTagFilterList;
+        private final List<Filter> mTagNamespaceFilterList;
 
         private Filter mTitleHeader;
         private Filter mUploaderHeader;
         private Filter mTagHeader;
+        private Filter mTagNamespaceHeader;
 
         public FilterList() {
             mEhFilter = EhFilter.getInstance();
             mTitleFilterList = mEhFilter.getTitleFilterList();
             mUploaderFilterList = mEhFilter.getUploaderFilterList();
             mTagFilterList = mEhFilter.getTagFilterList();
+            mTagNamespaceFilterList = mEhFilter.getTagNamespaceFilterList();
         }
 
         public int size() {
@@ -351,6 +354,8 @@ public class FilterActivity extends ToolbarActivity {
             count += 0 == size ? 0 : size + 1;
             size = mTagFilterList.size();
             count += 0 == size ? 0 : size + 1;
+            size = mTagNamespaceFilterList.size();
+            count += 0 == size ? 0 : size + 1;
             return count;
         }
 
@@ -381,6 +386,15 @@ public class FilterActivity extends ToolbarActivity {
             return mTagHeader;
         }
 
+        private Filter getTagNamespaceHeader() {
+            if (null == mTagNamespaceHeader) {
+                mTagNamespaceHeader = new Filter();
+                mTagNamespaceHeader.mode = MODE_HEADER;
+                mTagNamespaceHeader.text = getString(R.string.filter_tag_namespace);
+            }
+            return mTagNamespaceHeader;
+        }
+
         public Filter get(int index) {
             int size = mTitleFilterList.size();
             if (0 != size) {
@@ -415,6 +429,17 @@ public class FilterActivity extends ToolbarActivity {
                 }
             }
 
+            size = mTagNamespaceFilterList.size();
+            if (0 != size) {
+                if (index == 0) {
+                    return getTagNamespaceHeader();
+                } else if (index <= size) {
+                    return mTagNamespaceFilterList.get(index - 1);
+                } else {
+                    index -= size + 1;
+                }
+            }
+
             throw new IndexOutOfBoundsException();
         }
 
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 2551c0477..ee1833be6 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -69,7 +69,7 @@
     <string name="error_509">509</string>
     <string name="error_invalid_url">无效链接</string>
     <string name="error_get_ptoken_error">获取 pToken 错误</string>
-    <string name="error_invalid_specify_gallery">指定画廊的关键字应该看起来像 \"618395 0439fa3666\"</string>
+    <string name="error_invalid_specify_gallery">指定画廊的关键字应该看起来像 “618395 0439fa3666”</string>
     <string name="error_cant_create_temp_file">无法创建临时文件</string>
     <string name="error_cant_save_image">无法保存图片</string>
     <string name="error_invalid_number">非法数字</string>
@@ -190,10 +190,10 @@
     <string name="remove_from_favorite_success">移除收藏</string>
     <string name="add_to_favorite_failure">添加收藏失败</string>
     <string name="remove_from_favorite_failure">移除收藏失败</string>
-    <string name="block_the_uploader">屏蔽上传者：%s？</string>
-    <string name="block_the_tag">屏蔽标签：%s？</string>
-    <string name="uploader_blocked">已屏蔽上传者 \"%s\"</string>
-    <string name="tag_blocked">已屏蔽标签 \"%s\"</string>
+    <string name="block_the_uploader">屏蔽上传者“%s”？</string>
+    <string name="block_the_tag">屏蔽标签“%s”？</string>
+    <string name="uploader_blocked">已屏蔽上传者“%s”</string>
+    <string name="tag_blocked">已屏蔽标签“%s”</string>
 
     <!-- Rating -->
     <string name="rating10">根本把持不住</string>
@@ -290,9 +290,6 @@
     <string name="rename_label_title">重命名标签</string>
     <string name="delete_label_title">删除标签</string>
     <string name="delete_label_message">删除“%s”？</string>
-    <string name="tip">提示</string>
-    <string name="add_filter">添加过滤项</string>
-    <string name="filter_text">过滤项文本</string>
 
     <!-- History -->
     <string name="no_history">这里是阅读历史</string>
@@ -305,11 +302,15 @@
     <string name="filter_title">标题</string>
     <string name="filter_uploader">上传者</string>
     <string name="filter_tag">标签</string>
-    <string name="delete_title_filter">删除标题过滤项：%s？</string>
-    <string name="delete_uploader_filter">删除上传者过滤项：%s？</string>
-    <string name="delete_tag_filter">删除标签过滤项：%s？</string>
-    <string name="delete_filter">删除过滤项：%s？</string>
-    <string name="filter_tip">标题过滤项：排除标题含有该关键字的画廊。\n\n上传者过滤项：排除该上传者上传的画廊。\n\n标签过滤项：排除包含该关键字的画廊，这会使获取画廊列表花费更多时间。</string>
+    <string name="filter_tag_namespace">标签组</string>
+    <string name="delete_title_filter">删除标题过滤项“%s”？</string>
+    <string name="delete_uploader_filter">删除上传者过滤项“%s”？</string>
+    <string name="delete_tag_filter">删除标签过滤项“%s”？</string>
+    <string name="delete_filter">删除过滤项“%s”？</string>
+    <string name="tip">提示</string>
+    <string name="add_filter">添加过滤项</string>
+    <string name="filter_text">过滤项文本</string>
+    <string name="filter_tip">标题过滤项：排除标题含有该关键字的画廊。\n\n上传者过滤项：排除该上传者上传的画廊。\n\n标签过滤项：排除包含该标签的画廊，这会使获取画廊列表花费更多时间。\n\n标签组过滤项：排除包含该标签组的画廊，这会使获取画廊列表花费更多时间。</string>
 
     <!-- Set Security -->
     <string name="set_pattern_protection">设置图案保护</string>
@@ -350,7 +351,7 @@
     <string name="settings_eh_show_jpn_title_summary_on">尝试显示日文标题。这会使获取画廊列表花费更多时间</string>
     <string name="settings_eh_show_jpn_title_summary_off">显示默认标题。一般是英文标题</string>
     <string name="settings_eh_filter">过滤</string>
-    <string name="settings_eh_filter_summary">过滤标题，上传者和标签</string>
+    <string name="settings_eh_filter_summary">过滤标题，上传者，标签和标签组</string>
 
     <string name="settings_read">阅读</string>
     <string name="settings_read_reading_direction_title">阅读方向</string>
@@ -379,7 +380,7 @@
     <string name="settings_download_invalid_download_location">无效的下载路径</string>
     <string name="settings_download_cant_get_download_location">无法获取下载路径</string>
     <string name="settings_download_pick_dir_kk">在 KitKat 中您无法把数据写入外置 SD 卡，除非您做了奇怪的事情</string>
-    <string name="settings_download_pick_dir_l">Lollipop 提供了新的写入外置 SD 卡的 API。如果您想把下载路径设置到外置 SD 卡上，点击 \"文档\" 按钮</string>
+    <string name="settings_download_pick_dir_l">Lollipop 提供了新的写入外置 SD 卡的 API。如果您想把下载路径设置到外置 SD 卡上，点击“文档”按钮</string>
     <string name="settings_download_document">文档</string>
     <string name="settings_download_restore_download_items">恢复下载项</string>
     <string name="settings_download_restore_download_items_summary">恢复下载目录里的所有下载项</string>
@@ -472,7 +473,7 @@
 
     <string name="cant_get_data_dir">无法获取数据文件夹</string>
     <string name="cant_find_any_data">找不到任何数据</string>
-    <string name="cant_read_the_db_file">无法读取文件</string>
+    <string name="cant_read_the_file">无法读取文件</string>
 
     <!-- License -->
     <string name="license">开源许可</string>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 756bb09d9..01279f8ee 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -69,7 +69,7 @@
     <string name="error_509">509</string>
     <string name="error_invalid_url">無效鏈接</string>
     <string name="error_get_ptoken_error">獲取 pToken 錯誤</string>
-    <string name="error_invalid_specify_gallery">指定畫廊的關鍵字應該看起來像 \"618395 0439fa3666\"</string>
+    <string name="error_invalid_specify_gallery">指定畫廊的關鍵字應該看起來像 “618395 0439fa3666”</string>
     <string name="error_cant_create_temp_file">無法創建臨時文件</string>
     <string name="error_cant_save_image">無法保存圖片</string>
     <string name="error_invalid_number">非法數字</string>
@@ -190,10 +190,10 @@
     <string name="remove_from_favorite_success">移除收藏</string>
     <string name="add_to_favorite_failure">添加收藏失敗</string>
     <string name="remove_from_favorite_failure">移除收藏失敗</string>
-    <string name="block_the_uploader">屏蔽上傳者：%s？</string>
-    <string name="block_the_tag">屏蔽標籤：%s？</string>
-    <string name="uploader_blocked">已屏蔽上傳者 \"%s\"</string>
-    <string name="tag_blocked">已屏蔽標籤 \"%s\"</string>
+    <string name="block_the_uploader">屏蔽上傳者“%s”？</string>
+    <string name="block_the_tag">屏蔽標籤“%s”？</string>
+    <string name="uploader_blocked">已屏蔽上傳者“%s”</string>
+    <string name="tag_blocked">已屏蔽標籤“%s”</string>
 
     <!-- Rating -->
     <string name="rating10">根本把持不住</string>
@@ -290,9 +290,6 @@
     <string name="rename_label_title">重命名標籤</string>
     <string name="delete_label_title">刪除標籤</string>
     <string name="delete_label_message">刪除“%s”？</string>
-    <string name="tip">提示</string>
-    <string name="add_filter">添加過濾項</string>
-    <string name="filter_text">過濾項文本</string>
 
     <!-- History -->
     <string name="no_history">這裏是閲讀歷史</string>
@@ -305,11 +302,15 @@
     <string name="filter_title">標題</string>
     <string name="filter_uploader">上傳者</string>
     <string name="filter_tag">標籤</string>
-    <string name="delete_title_filter">刪除標題過濾項：%s？</string>
-    <string name="delete_uploader_filter">刪除上傳者過濾項：%s？</string>
-    <string name="delete_tag_filter">刪除標籤過濾項：%s？</string>
-    <string name="delete_filter">刪除過濾項：%s？</string>
-    <string name="filter_tip">標題過濾項：排除標題含有該關鍵字的畫廊。\n\n上傳者過濾項：排除該上傳者上傳的畫廊。\n\n標籤過濾項：排除包含該關鍵字的畫廊，這會使獲取畫廊列表花費更多時間。</string>
+    <string name="filter_tag_namespace">標籤組</string>
+    <string name="delete_title_filter">刪除標題過濾項“%s”？</string>
+    <string name="delete_uploader_filter">刪除上傳者過濾項“%s”？</string>
+    <string name="delete_tag_filter">刪除標籤過濾項“%s”？</string>
+    <string name="delete_filter">刪除過濾項“%s”？</string>
+    <string name="tip">提示</string>
+    <string name="add_filter">添加過濾項</string>
+    <string name="filter_text">過濾項文本</string>
+    <string name="filter_tip">標題過濾項：排除標題含有該關鍵字的畫廊。\n\n上傳者過濾項：排除該上傳者上傳的畫廊。\n\n標籤過濾項：排除包含該標籤的畫廊，這會使獲取畫廊列表花費更多時間。\n\n標籤組過濾項：排除包含該標籤組的畫廊，這會使獲取畫廊列表花費更多時間。</string>
 
     <!-- Set Security -->
     <string name="set_pattern_protection">設置圖案保護</string>
@@ -350,7 +351,7 @@
     <string name="settings_eh_show_jpn_title_summary_on">嘗試顯示日文標題。這會使獲取畫廊列表花費更多時間</string>
     <string name="settings_eh_show_jpn_title_summary_off">顯示默認標題。一般是英文標題</string>
     <string name="settings_eh_filter">過濾</string>
-    <string name="settings_eh_filter_summary">過濾標題，上傳者和標籤</string>
+    <string name="settings_eh_filter_summary">過濾標題，上傳者，標籤和標籤組</string>
 
     <string name="settings_read">閲讀</string>
     <string name="settings_read_reading_direction_title">閲讀方向</string>
@@ -379,7 +380,7 @@
     <string name="settings_download_invalid_download_location">無效的下載路徑</string>
     <string name="settings_download_cant_get_download_location">無法獲取下載路徑</string>
     <string name="settings_download_pick_dir_kk">在 KitKat 中您無法把數據寫入外置 SD 卡，除非您做了奇怪的事情</string>
-    <string name="settings_download_pick_dir_l">Lollipop 提供了新的寫入外置 SD 卡的 API。如果您想把下載路徑設置到外置 SD 卡上，點擊 \"文檔\" 按鈕</string>
+    <string name="settings_download_pick_dir_l">Lollipop 提供了新的寫入外置 SD 卡的 API。如果您想把下載路徑設置到外置 SD 卡上，點擊“文檔”按鈕</string>
     <string name="settings_download_document">文檔</string>
     <string name="settings_download_restore_download_items">恢復下載項</string>
     <string name="settings_download_restore_download_items_summary">恢復下載目錄裏的所有下載項</string>
@@ -472,7 +473,7 @@
 
     <string name="cant_get_data_dir">無法獲取數據文件夾</string>
     <string name="cant_find_any_data">找不到任何數據</string>
-    <string name="cant_read_the_db_file">無法讀取文件</string>
+    <string name="cant_read_the_file">無法讀取文件</string>
 
     <!-- License -->
     <string name="license">開源許可</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 2dff958c7..361ac89dd 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -69,7 +69,7 @@
     <string name="error_509">509</string>
     <string name="error_invalid_url">無效連結</string>
     <string name="error_get_ptoken_error">獲取 pToken 錯誤</string>
-    <string name="error_invalid_specify_gallery">指定畫廊的關鍵字應該看起來像 \"618395 0439fa3666\"</string>
+    <string name="error_invalid_specify_gallery">指定畫廊的關鍵字應該看起來像 “618395 0439fa3666”</string>
     <string name="error_cant_create_temp_file">無法建立臨時檔案</string>
     <string name="error_cant_save_image">無法儲存圖片</string>
     <string name="error_invalid_number">非法數字</string>
@@ -190,10 +190,10 @@
     <string name="remove_from_favorite_success">移除收藏</string>
     <string name="add_to_favorite_failure">新增收藏失敗</string>
     <string name="remove_from_favorite_failure">移除收藏失敗</string>
-    <string name="block_the_uploader">遮蔽上傳者：%s？</string>
-    <string name="block_the_tag">遮蔽標籤：%s？</string>
-    <string name="uploader_blocked">已遮蔽上傳者 \"%s\"</string>
-    <string name="tag_blocked">已遮蔽標籤 \"%s\"</string>
+    <string name="block_the_uploader">遮蔽上傳者“%s”？</string>
+    <string name="block_the_tag">遮蔽標籤“%s”？</string>
+    <string name="uploader_blocked">已遮蔽上傳者“%s”</string>
+    <string name="tag_blocked">已遮蔽標籤“%s”</string>
 
     <!-- Rating -->
     <string name="rating10">根本把持不住</string>
@@ -290,9 +290,6 @@
     <string name="rename_label_title">重新命名標籤</string>
     <string name="delete_label_title">刪除標籤</string>
     <string name="delete_label_message">刪除“%s”？</string>
-    <string name="tip">提示</string>
-    <string name="add_filter">新增過濾項</string>
-    <string name="filter_text">過濾項文字</string>
 
     <!-- History -->
     <string name="no_history">這裡是閱讀歷史</string>
@@ -305,11 +302,15 @@
     <string name="filter_title">標題</string>
     <string name="filter_uploader">上傳者</string>
     <string name="filter_tag">標籤</string>
-    <string name="delete_title_filter">刪除標題過濾項：%s？</string>
-    <string name="delete_uploader_filter">刪除上傳者過濾項：%s？</string>
-    <string name="delete_tag_filter">刪除標籤過濾項：%s？</string>
-    <string name="delete_filter">刪除過濾項：%s？</string>
-    <string name="filter_tip">標題過濾項：排除標題含有該關鍵字的畫廊。\n\n上傳者過濾項：排除該上傳者上傳的畫廊。\n\n標籤過濾項：排除包含該關鍵字的畫廊，這會使獲取畫廊列表花費更多時間。</string>
+    <string name="filter_tag_namespace">標籤組</string>
+    <string name="delete_title_filter">刪除標題過濾項“%s”？</string>
+    <string name="delete_uploader_filter">刪除上傳者過濾項“%s”？</string>
+    <string name="delete_tag_filter">刪除標籤過濾項“%s”？</string>
+    <string name="delete_filter">刪除過濾項“%s”？</string>
+    <string name="tip">提示</string>
+    <string name="add_filter">新增過濾項</string>
+    <string name="filter_text">過濾項文字</string>
+    <string name="filter_tip">標題過濾項：排除標題含有該關鍵字的畫廊。\n\n上傳者過濾項：排除該上傳者上傳的畫廊。\n\n標籤過濾項：排除包含該標籤的畫廊，這會使獲取畫廊列表花費更多時間。\n\n標籤組過濾項：排除包含該標籤組的畫廊，這會使獲取畫廊列表花費更多時間。</string>
 
     <!-- Set Security -->
     <string name="set_pattern_protection">設定圖案保護</string>
@@ -350,7 +351,7 @@
     <string name="settings_eh_show_jpn_title_summary_on">嘗試顯示日文標題。這會使獲取畫廊列表花費更多時間</string>
     <string name="settings_eh_show_jpn_title_summary_off">顯示預設標題。一般是英文標題</string>
     <string name="settings_eh_filter">過濾</string>
-    <string name="settings_eh_filter_summary">過濾標題，上傳者和標籤</string>
+    <string name="settings_eh_filter_summary">過濾標題，上傳者，標籤和標籤組</string>
 
     <string name="settings_read">閱讀</string>
     <string name="settings_read_reading_direction_title">閱讀方向</string>
@@ -379,7 +380,7 @@
     <string name="settings_download_invalid_download_location">無效的下載路徑</string>
     <string name="settings_download_cant_get_download_location">無法獲取下載路徑</string>
     <string name="settings_download_pick_dir_kk">在 KitKat 中您無法把資料寫入外接 SD 卡，除非您做了奇怪的事情</string>
-    <string name="settings_download_pick_dir_l">Lollipop 提供了新的寫入外接 SD 卡的 API。如果您想把下載路徑設定到外接 SD 卡上，點選 \"文件\" 按鈕</string>
+    <string name="settings_download_pick_dir_l">Lollipop 提供了新的寫入外接 SD 卡的 API。如果您想把下載路徑設定到外接 SD 卡上，點選“文件”按鈕</string>
     <string name="settings_download_document">文件</string>
     <string name="settings_download_restore_download_items">恢復下載項</string>
     <string name="settings_download_restore_download_items_summary">恢復下載目錄裡的所有下載項</string>
@@ -472,7 +473,7 @@
 
     <string name="cant_get_data_dir">無法獲取資料資料夾</string>
     <string name="cant_find_any_data">找不到任何資料</string>
-    <string name="cant_read_the_db_file">無法讀取檔案</string>
+    <string name="cant_read_the_file">無法讀取檔案</string>
 
     <!-- License -->
     <string name="license">開源許可</string>
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 95d7a1c49..f6b6edb81 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -136,6 +136,7 @@
         <item>@string/filter_title</item>
         <item>@string/filter_uploader</item>
         <item>@string/filter_tag</item>
+        <item>@string/filter_tag_namespace</item>
     </string-array>
 
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 09f078300..115924d17 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -233,8 +233,8 @@
     <string name="remove_from_favorite_success">Removed from favorites</string>
     <string name="add_to_favorite_failure">Failed to add to favorites</string>
     <string name="remove_from_favorite_failure">Failed to remove from favorites</string>
-    <string name="block_the_uploader">Block the uploader: %s ?</string>
-    <string name="block_the_tag">Block the tag: %s ?</string>
+    <string name="block_the_uploader">Block the uploader \"%s\"?</string>
+    <string name="block_the_tag">Block the tag \"%s\"?</string>
     <string name="uploader_blocked">The uploader \"%s\" is blocked</string>
     <string name="tag_blocked">The tag \"%s\" is blocked</string>
 
@@ -345,14 +345,15 @@
     <string name="filter_title">Title</string>
     <string name="filter_uploader">Uploader</string>
     <string name="filter_tag">Tag</string>
-    <string name="delete_title_filter">Delete title filter: %s ?</string>
-    <string name="delete_uploader_filter">Delete uploader filter: %s ?</string>
-    <string name="delete_tag_filter">Delete tag filter: %s ?</string>
-    <string name="delete_filter">Delete filter: %s ?</string>
+    <string name="filter_tag_namespace">Tag namespace</string>
+    <string name="delete_title_filter">Delete title filter \"%s\"?</string>
+    <string name="delete_uploader_filter">Delete uploader filter \"%s\"?</string>
+    <string name="delete_tag_filter">Delete tag filter \"%s\"?</string>
+    <string name="delete_filter">Delete filter \"%s\"?</string>
     <string name="tip">Tip</string>
     <string name="add_filter">Add filter</string>
     <string name="filter_text">Filter text</string>
-    <string name="filter_tip">Title Filter: exclude the gallery whose title contains the word.\n\nUploader Filter: exclude the gallery which was uploaded by the uploader.\n\nTag Filter: exclude the gallery which contain the tag, it takes more time to get gallery list.</string>
+    <string name="filter_tip">Title Filter: exclude the gallery whose title contains the word.\n\nUploader Filter: exclude the gallery which was uploaded by the uploader.\n\nTag Filter: exclude the gallery which contain the tag, it takes more time to get gallery list.\n\nTag Namespace Filter: exclude the gallery which contain the tag namespace, it takes more time to get gallery list.</string>
 
     <!-- Set Security -->
     <string name="set_pattern_protection">Set pattern protection</string>
@@ -392,7 +393,7 @@
     <string name="settings_eh_show_jpn_title_summary_on">Try to show Japanese title. It takes more time to get gallery list</string>
     <string name="settings_eh_show_jpn_title_summary_off">Show default title. It is usually English title</string>
     <string name="settings_eh_filter">Filter</string>
-    <string name="settings_eh_filter_summary">Filter by title, uploader and tags</string>
+    <string name="settings_eh_filter_summary">Filter by title, uploader, tag and tag namespace</string>
 
     <string name="settings_read">Read</string>
     <string name="settings_read_reading_direction_title">Reading direction</string>