Yes, I finally fix it. I reinstalled Dreamweaver and all Web Assist Extension so now it works properly. Thank you so much for your answer.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.