diff --git a/app/src/main/java/jp/juggler/subwaytooter/ActAbout.kt b/app/src/main/java/jp/juggler/subwaytooter/ActAbout.kt
index d719bd31..1896907b 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/ActAbout.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/ActAbout.kt
@@ -24,8 +24,14 @@ class ActAbout : AppCompatActivity() {
 		const val developer_acct = "tateisu@mastodon.juggler.jp"
 		
 		const val url_futaba = "https://www.instagram.com/hinomoto_hutaba/"
+
+		const val url_weblate = "https://hosted.weblate.org/projects/subway-tooter/"
 		
-		val contributors = arrayOf("@Balor@freeradical.zone", "update english language", "@Luattic@oc.todon.fr", "update french language")
+		val contributors = arrayOf(
+			"@Balor@freeradical.zone", "update english language",
+			"@Luattic@oc.todon.fr", "update french language",
+			"@BoF@mstdn.fr", "update arabic language"
+		)
 	}
 	
 	override fun onCreate(savedInstanceState : Bundle?) {
@@ -63,6 +69,10 @@ class ActAbout : AppCompatActivity() {
 		b.text = url_futaba
 		b.setOnClickListener { open_browser(url_futaba) }
 		
+		b = findViewById(R.id.btnWeblate)
+		b.text = "Please help translation!"
+		b.setOnClickListener { open_browser(url_weblate) }
+		
 		val ll = findViewById<LinearLayout>(R.id.llContributors)
 		val density = resources.displayMetrics.density
 		val margin_top = (0.5f + density * 8).toInt()
diff --git a/app/src/main/res/layout/act_about.xml b/app/src/main/res/layout/act_about.xml
index 6af4265e..065a798b 100644
--- a/app/src/main/res/layout/act_about.xml
+++ b/app/src/main/res/layout/act_about.xml
@@ -153,5 +153,14 @@
             android:layout_height="0dp"
             android:layout_weight="1"
             />
+
+        <Button
+            android:id="@+id/btnWeblate"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:background="@drawable/btn_bg_transparent"
+            android:padding="8dp"
+            android:textAllCaps="false"
+            />
     </LinearLayout>
 </ScrollView>
\ No newline at end of file
diff --git a/checkMissingTranslation.pl b/checkMissingTranslation.pl
index 967c6eb6..7332a5cf 100644
--- a/checkMissingTranslation.pl
+++ b/checkMissingTranslation.pl
@@ -67,4 +67,13 @@ my @missing = sort keys %missing;
 
 my $nameCount = 0+ keys %allNames;
 print "(total)string resource count=$nameCount\n";
+
+print "# Fetching all remotes..\n";
+system qq(git fetch --all -q);
+
+my @list = `git branch -a --no-merged`;
+for(@list){
+	print "# Unmerged branch: $_\n";
+}
+
 exit 0;