diff --git a/src/server/trpc/routers/feed/integration.ts b/src/server/trpc/routers/feed/integration.ts
index 56f6a72..5cb6eb5 100644
--- a/src/server/trpc/routers/feed/integration.ts
+++ b/src/server/trpc/routers/feed/integration.ts
@@ -5,6 +5,7 @@ import _ from 'lodash';
 import { subscribeEventBus } from '../../../ws/shared';
 import { OpenApiMeta } from 'trpc-openapi';
 import { OPENAPI_TAG } from '../../../utils/const';
+import { serializeJSON } from '../../../utils/json';
 
 export const feedIntegrationRouter = router({
   github: publicProcedure
@@ -62,7 +63,11 @@ export const feedIntegrationRouter = router({
             url,
           },
         });
-        subscribeEventBus.emit('onReceiveFeedEvent', workspaceId, event);
+        subscribeEventBus.emit(
+          'onReceiveFeedEvent',
+          workspaceId,
+          serializeJSON(event)
+        );
 
         return 'ok';
       } else if (eventType === 'star') {
@@ -84,7 +89,11 @@ export const feedIntegrationRouter = router({
             url,
           },
         });
-        subscribeEventBus.emit('onReceiveFeedEvent', workspaceId, event);
+        subscribeEventBus.emit(
+          'onReceiveFeedEvent',
+          workspaceId,
+          serializeJSON(event)
+        );
 
         return 'ok';
       } else if (eventType === 'issues') {
@@ -120,7 +129,11 @@ export const feedIntegrationRouter = router({
               url,
             },
           });
-          subscribeEventBus.emit('onReceiveFeedEvent', workspaceId, event);
+          subscribeEventBus.emit(
+            'onReceiveFeedEvent',
+            workspaceId,
+            serializeJSON(event)
+          );
 
           return 'ok';
         }
diff --git a/src/server/utils/json.ts b/src/server/utils/json.ts
new file mode 100644
index 0000000..bcb9f26
--- /dev/null
+++ b/src/server/utils/json.ts
@@ -0,0 +1,50 @@
+/**
+ * serialize object
+ * make data easy to transfer
+ */
+export function serializeJSON<T extends {}>(input: T) {
+  return serializeDate(input);
+}
+
+type ConvertDateToString<T> = T extends Date
+  ? string
+  : T extends Date | null
+    ? string | null
+    : T extends Date | undefined
+      ? string | undefined
+      : T extends Date | null | undefined
+        ? string | null | undefined
+        : T;
+
+export type DateToString<T> = {
+  [P in keyof T]: T[P] extends Date | null | undefined
+    ? ConvertDateToString<T[P]>
+    : DateToString<T[P]>;
+};
+
+function serializeDate<T extends {}>(obj: T): DateToString<T> {
+  function stripDates(_obj: unknown): any {
+    if (!_obj || typeof _obj !== 'object') {
+      return _obj;
+    }
+
+    if (_obj instanceof Date) {
+      return _obj.toISOString();
+    }
+
+    if (Array.isArray(_obj)) {
+      return _obj.map(stripDates);
+    }
+
+    return Object.keys(_obj).reduce(
+      (acc, key) => {
+        const value = (_obj as any)[key];
+        acc[key] = stripDates(value); // Recursive to handle nested objects
+        return acc;
+      },
+      {} as { [key: string]: any }
+    );
+  }
+
+  return stripDates(obj);
+}