diff --git a/convlab2/dst/setsumbt/README.md b/convlab2/dst/setsumbt/README.md
index c585adff9ac9777529c9b98c5d3a7f2f5fbdb325..34105f86db1f6525d55f20826e74f25ae861cf92 100644
--- a/convlab2/dst/setsumbt/README.md
+++ b/convlab2/dst/setsumbt/README.md
@@ -2,7 +2,7 @@
 [Uncertainty Measures in Neural Belief Tracking and the Effects on Dialogue Policy Performance](https://todo.pdf)
 
 ## Structure
-![SetSUMBT Architecture](https://gitlab.cs.uni-duesseldorf.de/general/dsml/setsumbt-public/-/raw/add_code/convlab2/dst/setsumbt/setSUMBT.png?inline=false)
+![SetSUMBT Architecture](https://gitlab.cs.uni-duesseldorf.de/general/dsml/setsumbt-public/-/raw/main/convlab2/dst/setsumbt/setSUMBT.png?inline=false)
 
 ## Usages
 ### Data preprocessing