diff --git a/nest_backend/database/tables/Tweet.py b/nest_backend/database/tables/Tweet.py
index dedf732..69fb8dd 100644
--- a/nest_backend/database/tables/Tweet.py
+++ b/nest_backend/database/tables/Tweet.py
@@ -21,5 +21,5 @@ class Tweet(ext.Model):
 
     def to_json(self):
         return {"snowflake": self.snowflake, "content": self.content, "location": self.location, "poster": self.poster,
-                "place": self.place, "insert_time": self.insert_time.isoformat(), "post_time": self.post_time,
+                "place": self.place, "insert_time": self.insert_time.isoformat(), "post_time": self.post_time.isoformat(),
                 "image_url": self.image_url, "conditions": [c.condition.to_json() for c in self.conditions]}
diff --git a/nest_frontend/components/interactive/BoxAlerts.js b/nest_frontend/components/interactive/BoxAlerts.js
index 36aeabf..fe1f726 100644
--- a/nest_frontend/components/interactive/BoxAlerts.js
+++ b/nest_frontend/components/interactive/BoxAlerts.js
@@ -15,7 +15,7 @@ export default function BoxAlerts({ alerts, destroy, running, ...props }) {
             }
 
             return alerts.map(alert => (
-                <SummaryAlert alert={alert} destroy={() => destroy(alert["id"])} running={running}/>
+                <SummaryAlert alert={alert} destroy={() => destroy(alert["id"])} key={alert["id"]} running={running}/>
             ))
         },
         [alerts, running, destroy]
diff --git a/nest_frontend/objects/Filter.js b/nest_frontend/objects/Filter.js
index 8f65dcf..7b096fb 100644
--- a/nest_frontend/objects/Filter.js
+++ b/nest_frontend/objects/Filter.js
@@ -211,7 +211,8 @@ export class FilterInsideTimeRay extends Filter {
     }
 
     check(tweet) {
-        return this.datetime < new Date(tweet["insert_time"])
+        console.debug(this.timeRay.date, tweet["post_time"])
+        return this.timeRay.includes(new Date(tweet["post_time"]))
     }
 
     display() {