diff --git a/nest_frontend/components/interactive/Sidebar.js b/nest_frontend/components/interactive/Sidebar.js
index 628bc3d..a719d2f 100644
--- a/nest_frontend/components/interactive/Sidebar.js
+++ b/nest_frontend/components/interactive/Sidebar.js
@@ -31,7 +31,7 @@ export default function Sidebar({ className, ...props }) {
                 </>
                      :
                 <>
-                    <ButtonSidebar to={"/login"} icon={faKey}>{strings.login}</ButtonSidebar>
+                    <ButtonSidebar to={"/"} icon={faKey}>{strings.login}</ButtonSidebar>
                 </>
             }
             {
diff --git a/nest_frontend/components/interactive/SummaryTweet.js b/nest_frontend/components/interactive/SummaryTweet.js
index b827e4f..467a112 100644
--- a/nest_frontend/components/interactive/SummaryTweet.js
+++ b/nest_frontend/components/interactive/SummaryTweet.js
@@ -31,7 +31,7 @@ export default function SummaryTweet({ tweet, ...props }) {
             <SummaryLeft
                 icon={icon}
                 title={`@${tweet["poster"]}`}
-                subtitle={new Date(tweet["insert_time"]).toLocaleString()}
+                subtitle={tweet["post_time"] ? new Date(tweet["post_time"]).toLocaleString() : null}
                 onClick={() => window.open(`https://twitter.com/${tweet["poster"]}/status/${tweet["snowflake"]}`)}
             />
             <SummaryText>
diff --git a/public/favicon.ico b/public/favicon.ico
index a11777c..2bcb4b3 100644
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diff --git a/public/logo1024.png b/public/logo1024.png
new file mode 100644
index 0000000..bc452a7
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diff --git a/public/logo512.png b/public/logo512.png
index a4e47a6..d3a2489 100644
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diff --git a/public/logo670.png b/public/logo670.png
new file mode 100644
index 0000000..00ddf3c
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diff --git a/public/logo768.png b/public/logo768.png
new file mode 100644
index 0000000..fcf820a
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