diff --git a/.travis.yml b/.travis.yml
index 71ea2f1b67e31dcda33e3fc7a9701c8cd999a98e..ca8af75c93934ea5ed7833d1e1893239e5d4e4f2 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,14 +12,14 @@ install:
 
 script:
   # - python setup.py test
-  - cd docs && rm source/convlab2.*.rst
-  - sphinx-apidoc -o ./source ../convlab2/
-  - cd source && python gen_rst.py --project convlab2 && cd ..
-  - make html
-  - cd source
-  - python modify_py_modindex.py -d ../build/html/
-  - cd ..
-  - mv ./build/html ./build/docs && rm -r ./build/doctrees && mv LICENSE.txt ./build && mv README.md ./build && cd ..
+#  - cd docs && rm source/convlab2.*.rst
+#  - sphinx-apidoc -o ./source ../convlab2/
+#  - cd source && python gen_rst.py --project convlab2 && cd ..
+#  - make html
+#  - cd source
+#  - python modify_py_modindex.py -d ../build/html/
+#  - cd ..
+#  - mv ./build/html ./build/docs && rm -r ./build/doctrees && mv LICENSE.txt ./build && mv README.md ./build && cd ..
   
 deploy:
   - provider: pages
diff --git a/convlab2/util/multiwoz/dbquery.py b/convlab2/util/multiwoz/dbquery.py
index a276b8a473af57cec3ec51ce5554efd23b01269b..4830878633fce933d2b4cad6c27fde50d905f822 100755
--- a/convlab2/util/multiwoz/dbquery.py
+++ b/convlab2/util/multiwoz/dbquery.py
@@ -54,7 +54,7 @@ class Database(object):
                         elif ignore_open and key in ['destination', 'departure']:
                             continue
                         else:
-                            if val.strip().lower() != record[key].strip().lower():
+                            if val.strip() != record[key].strip():
                                 break
                     except:
                         continue