I got the AI document from the supplier and try to copy the text from it to the local AI application, but he found that the pasted text is shown in unrecognizable code.

Dear experts:

I am the user of Adobe Design and Web Premium CS6 6x64, and i encountered some issue when i am using Adobe Illustrator

I got the AI document from the supplier and try to copy the text from the document to my local AI application, but i found that the pasted text is shown in unrecognizable code, please see the error image in the link below

http://pan.baidu.com/s/1ntzCqWL

thanks for your help very much