[docs] changes recording

Author: tswsxk

CHANGE.txt

@@ -1,8 +1,10 @@
 v0.0.3:
     1. update formula ast: supporting more symbols and functions defined in katex
-    2. add item to vector tools, including word2vec and doc2vec using gensim
+    2. add tokens to vector tools, including word2vec and doc2vec using gensim
     3. sci4sif support tokenization grouped by segments
     4. add special tokens: \SIFTag and \SIFSep
+    5. add item to vector tools
+    6. add interface for getting pretrained models, where the supported model names can be accessed by `edunlp i2v` in the command console
 
 v0.0.2:
     1. fix potential ModuleNotFoundError