diff --git a/wiki/pages/human-practices.html b/wiki/pages/human-practices.html
index ea54a287785360f2feeb6cd31a8fe61c66f43428..988d4d9f666279c2080b364283a631939c3ffab4 100644
--- a/wiki/pages/human-practices.html
+++ b/wiki/pages/human-practices.html
@@ -813,6 +813,7 @@ the world. Consider how the world affects your work and how your work affects th
                 type="application/pdf" width="80%" height="700px">
         </object>
         <p style="text-align: center;">Pinyin Version</p>
+        <p >Tips:We have extra made a phonetic symbols version of the popular science hand-drawn book, hoping that preschool children will receive better enlightenment education</p>
         <p>After several meetings and discussions, we finally decided on a hand-drawn book with two main
             characters, a
             human boy called "Yuan Yuan" and an anthropomorphic image of microalgae called "Little Fuzao", whose