diff --git a/backend/app/db/cruddb/dbapp.py b/backend/app/db/cruddb/dbapp.py
index de44cc7..91f33ff 100644
--- a/backend/app/db/cruddb/dbapp.py
+++ b/backend/app/db/cruddb/dbapp.py
@@ -111,20 +111,20 @@ class dbapp(crudbase):
             db.add(appversion)
             db.add(db_app)
 
-            flow = dbflow.get_flows_by_appid(db,domainurl,newversion.appid)
-            if not flow:
-                return None
-            db_flowhistory = models.FlowHistory(
-            flowid = flow.flowid,
-            appid = flow.appid,
-            eventid = flow.eventid,
-            domainurl = flow.domainurl,
-            name = flow.name,
-            content = flow.content,
-            version = db_app.version, 
-            updateuserid = userid,
-            createuserid = userid
-            )
+            flows = dbflow.get_flows_by_appid(db,domainurl,newversion.appid)
+            for flow in flows:
+                db_flowhistory = models.FlowHistory(
+                flowid = flow.flowid,
+                appid = flow.appid,
+                eventid = flow.eventid,
+                domainurl = flow.domainurl,
+                name = flow.name,
+                content = flow.content,
+                version = db_app.version, 
+                updateuserid = userid,
+                createuserid = userid
+                )
+                db.add(db_flowhistory)
             db.add(db_flowhistory)
             db.commit()
             db.refresh(db_app)