add tips

batch_generator.rb

@@ -4,7 +4,7 @@ class BatchGenerator
 
   def execute
     rename_docxs
-    
+
     file_names = Dir.entries('docxs')
     result = {}
 
@@ -14,6 +14,7 @@ class BatchGenerator
         p "#{file_name} generating..."
         MdGenerator.new("docxs/#{file_name}").execute
         result[file_name] = true
+        p "#{file_name} generated successfully"
       rescue => e
         p "#{file_name} failed"
         p e