diff --git a/lib/tasks/sync_asia_personal_data_tasks.rake b/lib/tasks/sync_asia_personal_data_tasks.rake
index 3c28c1a..46d6c38 100644
--- a/lib/tasks/sync_asia_personal_data_tasks.rake
+++ b/lib/tasks/sync_asia_personal_data_tasks.rake
@@ -126,9 +126,9 @@ module AsiaSyncPlugin
       bk.publisher_translations = localize_data(book["Books_publisher"]) #出版社
       if !(book["Books_YearMonth"].blank?) #出版日期
         if book["Books_YearMonth"].scan(/[\.\/]/).length == 0 # ex: 2021
-          bk.publish_date = DateTime.parse(book["Books_YearMonth"] + "/1")
+          bk.publish_date = DateTime.parse(book["Books_YearMonth"] + "/1") rescue nil
         else #ex: 2017.03
-          bk.publish_date = DateTime.parse(book["Books_YearMonth"].gsub('.','/'))
+          bk.publish_date = DateTime.parse(book["Books_YearMonth"].gsub('.','/')) rescue nil
         end
       end
       if bk.publish_date
@@ -146,7 +146,7 @@ module AsiaSyncPlugin
       bk.publisher_translations = localize_data(book["Books_publisher"]) #出版社
       bk.year = book["Books_year"]
       if !(book["Books_year"].blank?) #出版年度
-        bk.publish_date = DateTime.parse(book["Books_year"] + "/1")
+        bk.publish_date = DateTime.parse(book["Books_year"] + "/1") rescue nil
       end
       bk.member_profile_id = user.member_profile_id
       puts "books #{bk.id} saved" if bk.save