fix for site preview

mxz96102 · mxz96102 · commit 0886e66bea1e · 2019-04-25T15:35:13.000+08:00
diff --git a/_data/navigation.yml b/_data/navigation.yml
@@ -1,7 +1,7 @@
 main:
   - title: "Installation"
-    url: /sqlflow/doc/installation
+    url: sqlflow/doc/installation
   - title: "Documents"
-    url: /doc_index/doc
+    url: doc_index/doc
   - title: "GitHub"
     url: https://github.com/sql-machine-learning
