diff --git a/cn.js b/cn.js
index 1e14f0f..6b8c70e 100644
--- a/cn.js
+++ b/cn.js
@@ -209,6 +209,11 @@
 		no_filter: "No Filter",
 
 		new_observatory: "New Observatory",
+		
+		go_back: "Go Back",
+		go_home: "Go back to Home",
+		absent_page: "Oops! The page you're looking for doesn't exist.",
+		absent_user: "Oops! The user you're looking for doesn't exist."
 	},
 	darkLibrary: {
 		title: "暗场库",
diff --git a/de.js b/de.js
index c6d8658..64122c1 100644
--- a/de.js
+++ b/de.js
@@ -214,6 +214,11 @@ const de = {
 		no_filter: "No Filter",
 
 		new_observatory: "New Observatory",
+		
+		go_back: "Go Back",
+		go_home: "Go back to Home",
+		absent_page: "Oops! The page you're looking for doesn't exist.",
+		absent_user: "Oops! The user you're looking for doesn't exist."
 	},
 	darkLibrary: {
 		title: "Dark Library",
diff --git a/en.js b/en.js
index 5c6d7e7..ab26bcc 100644
--- a/en.js
+++ b/en.js
@@ -226,6 +226,11 @@ const en = {
 		no_filter: "No Filter",
 
 		new_observatory: "New Observatory",
+
+		go_back: "Go Back",
+		go_home: "Go back to Home",
+		absent_page: "Oops! The page you're looking for doesn't exist.",
+		absent_user: "Oops! The user you're looking for doesn't exist."
 	},
 	darkLibrary: {
 		title: "Dark Library",
diff --git a/es.js b/es.js
index cc4dd1b..f6f32e8 100644
--- a/es.js
+++ b/es.js
@@ -222,6 +222,11 @@ const es = {
 		no_filter: "No Filter",
 
 		new_observatory: "New Observatory",
+		
+		go_back: "Go Back",
+		go_home: "Go back to Home",
+		absent_page: "Oops! The page you're looking for doesn't exist.",
+		absent_user: "Oops! The user you're looking for doesn't exist."
 	},
 	darkLibrary: {
 		title: "Biblioteca oscura",
diff --git a/fr.js b/fr.js
index 72ac91b..dce1d31 100644
--- a/fr.js
+++ b/fr.js
@@ -216,6 +216,11 @@ const fr = {
 		no_filter: "No Filter",
 
 		new_observatory: "New Observatory",
+
+		go_back: "Go Back",
+		go_home: "Go back to Home",
+		absent_page: "Oops! The page you're looking for doesn't exist.",
+		absent_user: "Oops! The user you're looking for doesn't exist."
 	},
 	darkLibrary: {
 		title: "Dark Library",
diff --git a/ja.js b/ja.js
index b6e6e27..7b965fe 100644
--- a/ja.js
+++ b/ja.js
@@ -223,6 +223,11 @@ const ja = {
 		no_filter: "No Filter",
 
 		new_observatory: "New Observatory",
+
+		go_back: "Go Back",
+		go_home: "Go back to Home",
+		absent_page: "Oops! The page you're looking for doesn't exist.",
+		absent_user: "Oops! The user you're looking for doesn't exist."
 	},
 	darkLibrary: {
 		title: "ダーク ライブラリ",