Update url for Aishell model.

README.md

@@ -481,7 +481,7 @@ Language  | Model Name | Training Data | Hours of Speech
 :-----------: | :------------: | :----------: |  -------:
 English  | [LibriSpeech Model](http://cloud.dlnel.org/filepub/?uuid=17404caf-cf19-492f-9707-1fad07c19aae) | [LibriSpeech Dataset](http://www.openslr.org/12/) | 960 h
 English  | [BaiduEN8k Model](http://cloud.dlnel.org/filepub/?uuid=37a1c211-ec47-494c-973c-31437a10ae90) | Baidu Internal English Dataset | 8628 h
-Mandarin | [Aishell Model](http://cloud.dlnel.org/filepub/?uuid=6c83b9d8-3255-4adf-9726-0fe0be3d0274) | [Aishell Dataset](http://www.openslr.org/33/) | 151 h
+Mandarin | [Aishell Model](http://cloud.dlnel.org/filepub/?uuid=61de63b9-6904-4809-ad95-0cc5104ab973) | [Aishell Dataset](http://www.openslr.org/33/) | 151 h
 Mandarin | [BaiduCN1.2k Model](to-be-added) | Baidu Internal Mandarin Dataset | 1204 h
 
 #### Language Model Released

models/aishell/download_model.sh

@@ -2,8 +2,8 @@
 
 . ../../utils/utility.sh
 
-URL='http://cloud.dlnel.org/filepub/?uuid=6c83b9d8-3255-4adf-9726-0fe0be3d0274'
-MD5=28521a58552885a81cf92a1e9b133a71
+URL='http://cloud.dlnel.org/filepub/?uuid=61de63b9-6904-4809-ad95-0cc5104ab973'
+MD5=0ee83aa15fba421e5de8fc66c8feb350
 TARGET=./aishell_model.tar.gz