diff --git a/client/packages/lowcoder-comps/src/comps/calendarComp/calendarComp.tsx b/client/packages/lowcoder-comps/src/comps/calendarComp/calendarComp.tsx
index 9bf7a4a6c..bc726a327 100644
--- a/client/packages/lowcoder-comps/src/comps/calendarComp/calendarComp.tsx
+++ b/client/packages/lowcoder-comps/src/comps/calendarComp/calendarComp.tsx
@@ -215,6 +215,7 @@ let childrenMap: any = {
   updatedEvents: stateComp<JSONObject>({}),
   insertedEvents: stateComp<JSONObject>({}),
   deletedEvents: stateComp<JSONObject>({}),
+  selectedEvent: stateComp<JSONObject>({}),
   inputFormat: withDefault(StringControl, DATE_TIME_FORMAT),
 };
 
@@ -999,6 +1000,14 @@ let CalendarBasicComp = (function () {
               const event = events.find(
                 (item: EventInput) => item.id === info.event.id
               );
+              // Find original event from props.events to include all custom fields (e.g., join_url)
+              const originalEvent = props.events.find(
+                (item: EventType) => String(item.id) === String(info.event.id)
+              );
+              // Update selectedEvent state with all original data
+              comp?.children?.comp?.children?.selectedEvent?.dispatchChangeValueAction?.(
+                originalEvent || event || {}
+              );
               editEvent.current = event;
               setTimeout(() => {
                 editEvent.current = undefined;
@@ -1228,6 +1237,14 @@ const TmpCalendarComp = withExposingConfigs(CalendarBasicComp, [
       return input.deletedEvents;
     },
   }),
+  depsConfig({
+    name: "selectedEvent",
+    desc: trans("calendar.selectedEvent"),
+    depKeys: ["selectedEvent"],
+    func: (input: { selectedEvent: any; }) => {
+      return input.selectedEvent;
+    },
+  }),
 ]);
 
 let CalendarComp = withMethodExposing(TmpCalendarComp, [
diff --git a/client/packages/lowcoder-comps/src/i18n/comps/locales/en.ts b/client/packages/lowcoder-comps/src/i18n/comps/locales/en.ts
index 66b62f7a1..e663e986a 100644
--- a/client/packages/lowcoder-comps/src/i18n/comps/locales/en.ts
+++ b/client/packages/lowcoder-comps/src/i18n/comps/locales/en.ts
@@ -767,6 +767,7 @@ export const en = {
     deletedEvents : "List of deleted events",
     updatedEvents : "List of updated events",
     insertedEvents : "List of inserted events",
+    selectedEvent : "The currently selected/clicked event",
     editable: "Editable",
     license: "Licence Key",
     licenseTooltip: "Get your licence key from https://fullcalendar.io/purchase to enable premium views like Resource Timeline and Resource Grid.",