diff --git a/application/static/library.js b/application/static/library.js
index 0e782f5c..63a692d6 100644
--- a/application/static/library.js
+++ b/application/static/library.js
@@ -320,7 +320,8 @@ function SubscribeSharedFeed(title, feedurl, isfulltext, dbId) {
     data: {title: title, fulltext: isfulltext, url: feedurl, fromsharedlibrary: 'true', 'recipeId': dbId},
     success: function (resp, textStatus, xhr) {
       if (resp.status == "ok") {
-        ShowSimpleModalDialog('<h2>' + i18n.congratulations + '</h2><p>' + i18n.feedSubscribed + '</p>');
+        $('.additional-btns').stop(true).hide();
+        $("#toast").fadeIn().delay(3000).fadeOut();
       } else {
         alert(resp.status);
       }
diff --git a/application/templates/book_audiolator.html b/application/templates/book_audiolator.html
index 5291d08d..c941a392 100644
--- a/application/templates/book_audiolator.html
+++ b/application/templates/book_audiolator.html
@@ -119,7 +119,7 @@
       <legend><h3>{{_("Test (Please save settings firstly)")}}</h3></legend>
       <div class="pure-control-group">
         <label>{{_("Text")}}</label>
-        <textarea class="pure-u-1 pure-u-sm-1-2" name="tts_test_src_text" id="tts_test_src_text">{{famous}}</textarea>
+        <textarea class="pure-u-1 pure-u-sm-1-2" name="tts_test_src_text" id="tts_test_src_text" rows="4">{{famous}}</textarea>
       </div>
       <div class="pure-control-group">
         <label></label>
diff --git a/application/templates/book_translator.html b/application/templates/book_translator.html
index d2bab1d9..2bf9ad67 100644
--- a/application/templates/book_translator.html
+++ b/application/templates/book_translator.html
@@ -86,11 +86,11 @@
       <legend><h3>{{_("Test (Please save settings firstly)")}}</h3></legend>
       <div class="pure-control-group">
         <label>{{_("Text")}}</label>
-        <textarea class="pure-u-1 pure-u-sm-1-2" name="translator_test_src_text" id="translator_test_src_text">{{famous}}</textarea>
+        <textarea class="pure-u-1 pure-u-sm-1-2" name="translator_test_src_text" id="translator_test_src_text" rows="4">{{famous}}</textarea>
       </div>
       <div class="pure-control-group">
         <label>{{_("Translation")}}</label>
-        <textarea class="pure-u-1 pure-u-sm-1-2" name="translator_test_dst_text" id="translator_test_dst_text" readonly></textarea>
+        <textarea class="pure-u-1 pure-u-sm-1-2" name="translator_test_dst_text" id="translator_test_dst_text"  rows="4" readonly></textarea>
       </div>
     </fieldset>
     <p style="text-align:center;">
diff --git a/application/templates/library.html b/application/templates/library.html
index 7d03c3f3..842b4548 100644
--- a/application/templates/library.html
+++ b/application/templates/library.html
@@ -63,6 +63,9 @@
       <!-- 由脚本填充 -->
     </div>
   </div>
+  <div id="toast" class="toast">
+    <i>&#10003; {{_('This feed has been successfully subscribed.')}}</i>
+  </div>
 </div>
 {% endblock -%}
 
diff --git a/tools/update_req.py b/tools/update_req.py
index e613e3f2..e6227d17 100644
--- a/tools/update_req.py
+++ b/tools/update_req.py
@@ -198,6 +198,7 @@ def gaeify_config_py(cfgFile):
 #arg: gae[B2,2,t2,20m]
 def update_worker_yaml(workerYamlFile, arg):
     items = arg.split('[')[-1].rstrip(']').split(',') if '[' in arg else []
+    items = [e.strip() for e in items if e.strip()]
     if not items:
         return