diff --git a/Docs/Dev/en/structure.md b/Docs/Dev/en/structure.md
index 0c76d65..6c67739 100755
--- a/Docs/Dev/en/structure.md
+++ b/Docs/Dev/en/structure.md
@@ -1,4 +1,5 @@
 # Structure
 
-## UML
+## ER
 
+![ER](Modules/Helper/Docs/Dev/img/er.png)
\ No newline at end of file
diff --git a/Docs/Dev/img/er.png b/Docs/Dev/img/er.png
new file mode 100644
index 0000000..a2a1cd3
Binary files /dev/null and b/Docs/Dev/img/er.png differ