diff --git a/.well-known/webfinger/index.php b/.well-known/webfinger/index.php
index 1267e3b..cf2b2f1 100644
--- a/.well-known/webfinger/index.php
+++ b/.well-known/webfinger/index.php
@@ -12,8 +12,6 @@ if(safetext($serversettings["serverinfo"]["server_activitypub"]) === "true"){
 
     $domain = $_SERVER['HTTP_HOST'];
 
-    require('../../db.php');
-
     // データベースに接続
     try {
         $option = array(
diff --git a/actor/index.php b/actor/index.php
index 5a633f1..e543141 100644
--- a/actor/index.php
+++ b/actor/index.php
@@ -77,13 +77,13 @@ if(safetext($serversettings["serverinfo"]["server_activitypub"]) === "true"){
             "icon" => array(
                 "type" => "Image",
                 "mediaType" => "image/".$icon_kakucho_ci."",
-                "url" => "https://".$domain."/".$userData["iconname"]."",
+                "url" => localcloudURLtoAPI(localcloudURL($userData["iconname"])),
             ),
 
             "image" => array(
                 "type" => "Image",
                 "mediaType" => "image/".$icon_kakucho_ci."",
-                "url" => "https://".$domain."/".$userData["headname"]."",
+                "url" => localcloudURLtoAPI(localcloudURL($userData["headname"])),
             ),
 
             /*"publicKey" => array(
diff --git a/admin/addadmin.php b/admin/addadmin.php
index 3605ef6..5db44f6 100644
--- a/admin/addadmin.php
+++ b/admin/addadmin.php
@@ -3,7 +3,6 @@ require('../db.php');
 //関数呼び出し
 //- EXIF
 require('../function/function.php');
-blockedIP($_SERVER['REMOTE_ADDR']);
 if(file_exists("../settings_admin/plugin_settings/amazons3_settings.php")){
     require_once '../settings_admin/plugin_settings/amazons3_settings.php';
     if(AMS3_CHKS == "true"){
@@ -58,6 +57,24 @@ try {
     // 接続エラーのときエラー内容を取得する
     $error_message[] = $e->getMessage();
 }
+if(empty($error_message)){
+    $stmt = $pdo->prepare("
+        SELECT COUNT(*) 
+        FROM information_schema.tables 
+        WHERE table_schema = :schema AND table_name = :table
+        LIMIT 1
+    ");
+    $stmt->execute([
+        ':schema' => DB_NAME,
+        ':table' => "ipblock",
+    ]);
+
+    $exists = $stmt->fetchColumn() > 0;
+
+    if ($exists) {
+        blockedIP($_SERVER['REMOTE_ADDR']);
+    }
+}
 
 $aduser = "yes";
 
diff --git a/admin/index.php b/admin/index.php
index a57d229..e01627c 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -1,7 +1,6 @@
 <?php
 require('../db.php');
 require("../function/function.php");
-blockedIP($_SERVER['REMOTE_ADDR']);
 
 $softwarefile = "../server/uwuzuinfo.txt";
 $softwaredata = file_get_contents($softwarefile);
@@ -49,6 +48,25 @@ if(!(empty(DB_NAME) && empty(DB_HOST) && empty(DB_USER) && empty(DB_PASS))){
         // 接続エラーのときエラー内容を取得する
         $error_message[] = $e->getMessage();
     }
+
+    if(empty($error_message)){
+        $stmt = $pdo->prepare("
+            SELECT COUNT(*) 
+            FROM information_schema.tables 
+            WHERE table_schema = :schema AND table_name = :table
+            LIMIT 1
+        ");
+        $stmt->execute([
+            ':schema' => DB_NAME,
+            ':table' => "ipblock",
+        ]);
+
+        $exists = $stmt->fetchColumn() > 0;
+
+        if ($exists) {
+            blockedIP($_SERVER['REMOTE_ADDR']);
+        }
+    }
     
     $aduser = "yes";
     
diff --git a/admin/setup_db_php.php b/admin/setup_db_php.php
index 0313aec..0a51a06 100644
--- a/admin/setup_db_php.php
+++ b/admin/setup_db_php.php
@@ -2,7 +2,6 @@
 
 require('../db.php');
 require("../function/function.php");
-blockedIP($_SERVER['REMOTE_ADDR']);
 
 $softwarefile = "../server/uwuzuinfo.txt";
 $softwaredata = file_get_contents($softwarefile);
@@ -50,6 +49,24 @@ if(!(empty(DB_NAME) && empty(DB_HOST) && empty(DB_USER) && empty(DB_PASS))){
         // 接続エラーのときエラー内容を取得する
         $error_message[] = $e->getMessage();
     }
+    if(empty($error_message)){
+        $stmt = $pdo->prepare("
+            SELECT COUNT(*) 
+            FROM information_schema.tables 
+            WHERE table_schema = :schema AND table_name = :table
+            LIMIT 1
+        ");
+        $stmt->execute([
+            ':schema' => DB_NAME,
+            ':table' => "ipblock",
+        ]);
+
+        $exists = $stmt->fetchColumn() > 0;
+
+        if ($exists) {
+            blockedIP($_SERVER['REMOTE_ADDR']);
+        }
+    }
     
     $aduser = "yes";
     
diff --git a/admin/setup_uwuzu_db.php b/admin/setup_uwuzu_db.php
index d2a1f14..c455449 100644
--- a/admin/setup_uwuzu_db.php
+++ b/admin/setup_uwuzu_db.php
@@ -1,7 +1,6 @@
 <?php
 require('../db.php');
 require("../function/function.php");
-blockedIP($_SERVER['REMOTE_ADDR']);
 
 $softwarefile = "../server/uwuzuinfo.txt";
 $softwaredata = file_get_contents($softwarefile);
@@ -49,6 +48,24 @@ if(!(empty(DB_NAME) && empty(DB_HOST) && empty(DB_USER) && empty(DB_PASS))){
         // 接続エラーのときエラー内容を取得する
         $error_message[] = $e->getMessage();
     }
+    if(empty($error_message)){
+        $stmt = $pdo->prepare("
+            SELECT COUNT(*) 
+            FROM information_schema.tables 
+            WHERE table_schema = :schema AND table_name = :table
+            LIMIT 1
+        ");
+        $stmt->execute([
+            ':schema' => DB_NAME,
+            ':table' => "ipblock",
+        ]);
+
+        $exists = $stmt->fetchColumn() > 0;
+
+        if ($exists) {
+            blockedIP($_SERVER['REMOTE_ADDR']);
+        }
+    }
     
     $aduser = "yes";
     
diff --git a/admin/success.php b/admin/success.php
index 82ccb9d..c0560b8 100644
--- a/admin/success.php
+++ b/admin/success.php
@@ -1,7 +1,6 @@
 <?php 
 require('../db.php');
 require("../function/function.php");
-blockedIP($_SERVER['REMOTE_ADDR']);
 
 $serversettings_file = "../server/serversettings.ini";
 $serversettings = parse_ini_file($serversettings_file, true);
@@ -40,6 +39,25 @@ try {
     $error_message[] = $e->getMessage();
 }
 
+if(empty($error_message)){
+    $stmt = $pdo->prepare("
+        SELECT COUNT(*) 
+        FROM information_schema.tables 
+        WHERE table_schema = :schema AND table_name = :table
+        LIMIT 1
+    ");
+    $stmt->execute([
+        ':schema' => DB_NAME,
+        ':table' => "ipblock",
+    ]);
+
+    $exists = $stmt->fetchColumn() > 0;
+
+    if ($exists) {
+        blockedIP($_SERVER['REMOTE_ADDR']);
+    }
+}
+
 $aduser = "yes";
 
 $options = array(
diff --git a/api/me/index.php b/api/me/index.php
index bba5adb..b203d6b 100644
--- a/api/me/index.php
+++ b/api/me/index.php
@@ -161,8 +161,8 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                     'username' => decode_yajirushi(htmlspecialchars_decode($userdata["username"])),
                     'userid' => decode_yajirushi(htmlspecialchars_decode($userdata["userid"])),
                     'profile' => decode_yajirushi(htmlspecialchars_decode($userdata["profile"])),
-                    'user_icon' => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userdata["iconname"])),
-                    'user_header' => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userdata["headname"])),
+                    'user_icon' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userdata["iconname"])))),
+                    'user_header' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userdata["headname"])))),
                     'registered_date' => decode_yajirushi(htmlspecialchars_decode($userdata["datetime"])),
                     'followee' => $followee,
                     'followee_cnt' => $userdata["follow_cnt"],
diff --git a/api/ueuse/get.php b/api/ueuse/get.php
index 52172bd..62b11ed 100644
--- a/api/ueuse/get.php
+++ b/api/ueuse/get.php
@@ -120,8 +120,8 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         $now_userdata = array(
                             "username" => decode_yajirushi(htmlspecialchars_decode($userData['username'])),
                             "userid" => decode_yajirushi(htmlspecialchars_decode($userData['userid'])),
-                            "user_icon" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['iconname'])),
-                            "user_head" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['headname'])),
+                            "user_icon" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['iconname'])))),
+                            "user_head" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['headname'])))),
                         );
                     }
 
@@ -136,11 +136,11 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         'replyid' => decode_yajirushi(htmlspecialchars_decode($ueusedata["rpuniqid"])),
                         'text' => decode_yajirushi(htmlspecialchars_decode($ueusedata["ueuse"])),
                         'account' => $now_userdata,
-                        'photo1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo1"]))),
-                        'photo2' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo2"]))),
-                        'photo3' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo3"]))),
-                        'photo4' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo4"]))),
-                        'video1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["video1"]))),
+                        'photo1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo1"])))),
+                        'photo2' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo2"])))),
+                        'photo3' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo3"])))),
+                        'photo4' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo4"])))),
+                        'video1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["video1"])))),
                         'favorite' => $favorite,
                         'favorite_cnt' => decode_yajirushi(htmlspecialchars_decode($ueusedata["favorite_cnt"])),
                         'datetime' => decode_yajirushi(htmlspecialchars_decode($ueusedata["datetime"])),
diff --git a/api/ueuse/index.php b/api/ueuse/index.php
index 5c46c84..a811e55 100644
--- a/api/ueuse/index.php
+++ b/api/ueuse/index.php
@@ -134,8 +134,8 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         $now_userdata = array(
                             "username" => decode_yajirushi(htmlspecialchars_decode($userData['username'])),
                             "userid" => decode_yajirushi(htmlspecialchars_decode($userData['userid'])),
-                            "user_icon" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['iconname'])),
-                            "user_head" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['headname'])),
+                            "user_icon" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['iconname'])))),
+                            "user_head" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['headname'])))),
                         );
                     }
 
@@ -150,11 +150,11 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         'replyid' => decode_yajirushi(htmlspecialchars_decode($ueusedata["rpuniqid"])),
                         'text' => decode_yajirushi(htmlspecialchars_decode($ueusedata["ueuse"])),
                         'account' => $now_userdata,
-                        'photo1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo1"]))),
-                        'photo2' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo2"]))),
-                        'photo3' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo3"]))),
-                        'photo4' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo4"]))),
-                        'video1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["video1"]))),
+                        'photo1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo1"])))),
+                        'photo2' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo2"])))),
+                        'photo3' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo3"])))),
+                        'photo4' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo4"])))),
+                        'video1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["video1"])))),
                         'favorite' => $favorite,
                         'favorite_cnt' => decode_yajirushi(htmlspecialchars_decode($ueusedata["favorite_cnt"])),
                         'datetime' => decode_yajirushi(htmlspecialchars_decode($ueusedata["datetime"])),
diff --git a/api/ueuse/mentions.php b/api/ueuse/mentions.php
index 71decf4..2f8fa88 100644
--- a/api/ueuse/mentions.php
+++ b/api/ueuse/mentions.php
@@ -132,8 +132,8 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         $now_userdata = array(
                             "username" => decode_yajirushi(htmlspecialchars_decode($userData['username'])),
                             "userid" => decode_yajirushi(htmlspecialchars_decode($userData['userid'])),
-                            "user_icon" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['iconname'])),
-                            "user_head" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['headname'])),
+                            "user_icon" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['iconname'])))),
+                            "user_head" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['headname'])))),
                         );
                     }
 
@@ -148,11 +148,11 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         'replyid' => decode_yajirushi(htmlspecialchars_decode($ueusedata["rpuniqid"])),
                         'text' => decode_yajirushi(htmlspecialchars_decode($ueusedata["ueuse"])),
                         'account' => $now_userdata,
-                        'photo1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo1"]))),
-                        'photo2' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo2"]))),
-                        'photo3' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo3"]))),
-                        'photo4' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo4"]))),
-                        'video1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["video1"]))),
+                        'photo1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo1"])))),
+                        'photo2' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo2"])))),
+                        'photo3' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo3"])))),
+                        'photo4' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo4"])))),
+                        'video1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["video1"])))),
                         'favorite' => $favorite,
                         'favorite_cnt' => decode_yajirushi(htmlspecialchars_decode($ueusedata["favorite_cnt"])),
                         'datetime' => decode_yajirushi(htmlspecialchars_decode($ueusedata["datetime"])),
diff --git a/api/ueuse/replies.php b/api/ueuse/replies.php
index a9b15b0..c2a9669 100644
--- a/api/ueuse/replies.php
+++ b/api/ueuse/replies.php
@@ -143,8 +143,8 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         $now_userdata = array(
                             "username" => decode_yajirushi(htmlspecialchars_decode($userData['username'])),
                             "userid" => decode_yajirushi(htmlspecialchars_decode($userData['userid'])),
-                            "user_icon" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['iconname'])),
-                            "user_head" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['headname'])),
+                            "user_icon" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['iconname'])))),
+                            "user_head" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['headname'])))),
                         );
                     }
 
@@ -159,11 +159,11 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         'replyid' => decode_yajirushi(htmlspecialchars_decode($ueusedata["rpuniqid"])),
                         'text' => decode_yajirushi(htmlspecialchars_decode($ueusedata["ueuse"])),
                         'account' => $now_userdata,
-                        'photo1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo1"]))),
-                        'photo2' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo2"]))),
-                        'photo3' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo3"]))),
-                        'photo4' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo4"]))),
-                        'video1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["video1"]))),
+                        'photo1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo1"])))),
+                        'photo2' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo2"])))),
+                        'photo3' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo3"])))),
+                        'photo4' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo4"])))),
+                        'video1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["video1"])))),
                         'favorite' => $favorite,
                         'favorite_cnt' => decode_yajirushi(htmlspecialchars_decode($ueusedata["favorite_cnt"])),
                         'datetime' => decode_yajirushi(htmlspecialchars_decode($ueusedata["datetime"])),
diff --git a/api/ueuse/search.php b/api/ueuse/search.php
index 22ffea4..0e8a2fb 100644
--- a/api/ueuse/search.php
+++ b/api/ueuse/search.php
@@ -146,8 +146,8 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         $now_userdata = array(
                             "username" => decode_yajirushi(htmlspecialchars_decode($userData['username'])),
                             "userid" => decode_yajirushi(htmlspecialchars_decode($userData['userid'])),
-                            "user_icon" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['iconname'])),
-                            "user_head" => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userData['headname'])),
+                            "user_icon" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['iconname'])))),
+                            "user_head" => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userData['headname'])))),
                         );
                     }
 
@@ -162,11 +162,11 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                         'replyid' => decode_yajirushi(htmlspecialchars_decode($ueusedata["rpuniqid"])),
                         'text' => decode_yajirushi(htmlspecialchars_decode($ueusedata["ueuse"])),
                         'account' => $now_userdata,
-                        'photo1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo1"]))),
-                        'photo2' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo2"]))),
-                        'photo3' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo3"]))),
-                        'photo4' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["photo4"]))),
-                        'video1' => decode_yajirushi(htmlspecialchars_decode(str_replace('../', 'https://' . $_SERVER['HTTP_HOST'] . '/', $ueusedata["video1"]))),
+                        'photo1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo1"])))),
+                        'photo2' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo2"])))),
+                        'photo3' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo3"])))),
+                        'photo4' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["photo4"])))),
+                        'video1' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($ueusedata["video1"])))),
                         'favorite' => $favorite,
                         'favorite_cnt' => decode_yajirushi(htmlspecialchars_decode($ueusedata["favorite_cnt"])),
                         'datetime' => decode_yajirushi(htmlspecialchars_decode($ueusedata["datetime"])),
diff --git a/api/users/index.php b/api/users/index.php
index 5d55c39..a8859fa 100644
--- a/api/users/index.php
+++ b/api/users/index.php
@@ -177,8 +177,8 @@ if(isset($_GET['token']) || (!(empty($Get_Post_Json)))) {
                     'username' => decode_yajirushi(htmlspecialchars_decode($userdata["username"])),
                     'userid' => decode_yajirushi(htmlspecialchars_decode($userdata["userid"])),
                     'profile' => decode_yajirushi(htmlspecialchars_decode($userdata["profile"])),
-                    'user_icon' => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userdata["iconname"])),
-                    'user_header' => decode_yajirushi(htmlspecialchars_decode("https://".$domain."/".$userdata["headname"])),
+                    'user_icon' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userdata["iconname"])))),
+                    'user_header' => decode_yajirushi(htmlspecialchars_decode(localcloudURLtoAPI(localcloudURL($userdata["headname"])))),
                     'registered_date' => decode_yajirushi(htmlspecialchars_decode($userdata["datetime"])),
                     'followee' => $followee,
                     'followee_cnt' => $userdata["follow_cnt"],
diff --git a/function/function.php b/function/function.php
index d58827e..bad9237 100644
--- a/function/function.php
+++ b/function/function.php
@@ -634,7 +634,9 @@ function uploadAmazonS3($tmp_name){
 
 function deleteAmazonS3($url){
     $key = explode("/", mb_substr(parse_url($url, PHP_URL_PATH), 1));
-    array_shift($key);//最初の一個を消す
+    if ($key[0] == AMS3_BUCKET_NM) {
+        array_shift($key);
+    }
     $key = implode("/", $key);
 
     $credentials = [
@@ -1778,17 +1780,17 @@ function send_ueuse($userid,$rpUniqid,$ruUniqid,$ueuse,$photo1,$photo2,$photo3,$
 }
 
 function delete_ueuse($uniqid, $userid, $account_id){
-    if(file_exists("../settings_admin/plugin_settings/amazons3_settings.php")){
-        require_once '../settings_admin/plugin_settings/amazons3_settings.php';
+    if(file_exists(__DIR__ . "/../settings_admin/plugin_settings/amazons3_settings.php")){
+        require_once __DIR__ . '/../settings_admin/plugin_settings/amazons3_settings.php';
         if(AMS3_CHKS == "true"){
-            if(file_exists("../plugin/aws/aws-autoloader.php")){
-                require_once '../plugin/aws/aws-autoloader.php';
+            if(file_exists(__DIR__ . "/../plugin/aws/aws-autoloader.php")){
+                require_once __DIR__ . '/../plugin/aws/aws-autoloader.php';
             }else{
-                actionLog(null, "error", "uploadAmazonS3", null, "AWS SDK for PHPが見つかりませんでした！", 4);
+                actionLog(null, "error", "delete_ueuse", null, "AWS SDK for PHPが見つかりませんでした！", 4);
             }
         }
     }else{
-        actionLog(null, "error", "uploadAmazonS3", null, "amazons3_settings.phpが見つかりませんでした！", 3);
+        actionLog(null, "error", "delete_ueuse", null, "amazons3_settings.phpが見つかりませんでした！", 3);
     }
 
     if (safetext(isset($uniqid)) && safetext(isset($userid)) && safetext(isset($account_id))){
@@ -2388,11 +2390,11 @@ function deleteUser($pdo, $userid, $step, $job_uniqid){
         }
 
         if($step == "delete_account"){
-            if(file_exists("../settings_admin/plugin_settings/amazons3_settings.php")){
-                require_once '../settings_admin/plugin_settings/amazons3_settings.php';
+            if(file_exists(__DIR__ . "/../settings_admin/plugin_settings/amazons3_settings.php")){
+                require_once __DIR__ . '/../settings_admin/plugin_settings/amazons3_settings.php';
                 if(AMS3_CHKS == "true"){
-                    if(file_exists("../plugin/aws/aws-autoloader.php")){
-                        require_once '../plugin/aws/aws-autoloader.php';
+                    if(file_exists(__DIR__ . "/../plugin/aws/aws-autoloader.php")){
+                        require_once __DIR__ . '/../plugin/aws/aws-autoloader.php';
                     }else{
                         actionLog(null, "error", "uploadAmazonS3", null, "AWS SDK for PHPが見つかりませんでした！", 4);
                     }
@@ -2861,6 +2863,31 @@ function getJob($pdo, $userid){
     }
 }
 
+function localcloudURL($url){
+    if(!($url == null || $url == "" || $url == "none")){
+        if(filter_var($url, FILTER_VALIDATE_URL)){
+            return $url;
+        }else{
+            return "../" . $url;
+        }
+    }else{
+        return null;
+    }
+}
+
+function localcloudURLtoAPI($text){
+    if(!($text == null || $text == "" || $text == "none")){
+        $domain = $_SERVER['HTTP_HOST'];
+        $address = localcloudURL($text);
+        if(strpos($address, '../') !== false){
+            $address = "https://".$domain."/".str_replace('../', '', $address);
+        }
+        return $address;
+    }else{
+        return null;
+    }
+}
+
 function safetext($text){
     // テキストの安全化
     return htmlspecialchars(preg_replace('/[\x00-\x08\x0b\x0c\x0e-\x1f]/', '', $text), ENT_QUOTES, 'UTF-8', false);
diff --git a/js/view_function.js b/js/view_function.js
index c1aa0d8..8a6c34d 100644
--- a/js/view_function.js
+++ b/js/view_function.js
@@ -12,8 +12,24 @@ const mentionCache = {};
 const fetchingMentions = false;
 
 async function replaceMentions(text) {
+    const placeholders = [];
+    let index = 0;
+
+    text = text.replace(/<a\b[^>]*>.*?<\/a>/gi, (match) => {
+        const placeholder = `\u2063{{PLACEHOLDER${index}}}\u2063`;
+        placeholders.push(match);
+        index++;
+        return placeholder;
+    });
+
     const mentionMatches = [...text.matchAll(/@([a-zA-Z0-9_]+)/g)];
-    if (mentionMatches.length === 0) return text;
+    if (mentionMatches.length === 0) {
+        placeholders.forEach((original, i) => {
+            text = text.replace(`\u2063{{PLACEHOLDER${i}}}\u2063`, original);
+        });
+        return text;
+    }
+
     const uniqueMentions = [...new Set(mentionMatches.map(match => match[1]))];
     const mentionsToFetch = uniqueMentions.filter(userID => !mentionCache[userID]);
 
@@ -42,7 +58,6 @@ async function replaceMentions(text) {
                     resolve();
                 },
                 error: function() {
-                    // すべて失敗扱いでそのまま
                     for (const name of mentionsToFetch) {
                         mentionCache[name] = `@${name}`;
                     }
@@ -52,17 +67,48 @@ async function replaceMentions(text) {
         });
     }
 
-    // 実際の置換
     text = text.replace(/@([a-zA-Z0-9_]+)/g, (_, id) => mentionCache[id] || `@${id}`);
+
+    placeholders.forEach((original, i) => {
+        text = text.replace(`\u2063{{PLACEHOLDER${i}}}\u2063`, original);
+    });
+
     return text;
 }
 
-const emojiCache = {}; // 絵文字キャッシュ
-const fetchingEmojis = {}; // 同時問い合わせ防止（Promiseキャッシュ）
+const CACHE_KEY = 'emojiCache';
+const CACHE_EXPIRY_KEY = 'emojiCacheExpiry';
+const CACHE_LIFETIME_MS = 24 * 60 * 60 * 1000; // 24時間
+
+let emojiCache = {};
+let fetchingEmojis = {};
+
+(function loadEmojiCache() {
+    const savedCache = localStorage.getItem(CACHE_KEY);
+    const savedExpiry = localStorage.getItem(CACHE_EXPIRY_KEY);
+
+    if (savedCache && savedExpiry && Date.now() < Number(savedExpiry)) {
+        try {
+            emojiCache = JSON.parse(savedCache);
+        } catch (e) {
+            localStorage.removeItem(CACHE_KEY);
+            localStorage.removeItem(CACHE_EXPIRY_KEY);
+        }
+    } else {
+        localStorage.removeItem(CACHE_KEY);
+        localStorage.removeItem(CACHE_EXPIRY_KEY);
+    }
+})();
+
+function saveEmojiCache() {
+    localStorage.setItem(CACHE_KEY, JSON.stringify(emojiCache));
+    localStorage.setItem(CACHE_EXPIRY_KEY, (Date.now() + CACHE_LIFETIME_MS).toString());
+}
 
 async function replaceCustomEmojis(text) {
     const emojiMatches = [...text.matchAll(/:([a-zA-Z0-9_]+):/g)];
     if (emojiMatches.length === 0) return text;
+
     const uniqueEmojis = [...new Set(emojiMatches.map(match => match[1]))];
     const emojisToFetch = uniqueEmojis.filter(name => !emojiCache[name] && !fetchingEmojis[name]);
 
@@ -72,46 +118,61 @@ async function replaceCustomEmojis(text) {
                 url: '../function/get_customemoji.php',
                 method: 'POST',
                 data: {
-                    emoji: emojisToFetch.join(','), // カンマ区切りで送信
+                    emoji: emojisToFetch.join(','),
                     userid: global_userid,
                     account_id: global_account_id
                 },
                 dataType: 'json',
                 timeout: 30000,
-                success: function(response) {
+                success: function (response) {
                     if (response.success && response.emojis) {
                         for (const name of emojisToFetch) {
-                            if (response.emojis[name]) {
-                                const emoji = response.emojis[name];
-                                emojiCache[name] = `<img src="${emoji.emojipath}" alt=":${emoji.emojiname}:" class="custom-emoji">`;
-                            } else {
-                                emojiCache[name] = `:${name}:`; // 存在しない場合は元のまま
+                            if (response.success && response.emojis) {
+                                for (const name of emojisToFetch) {
+                                    if (response.emojis[name]) {
+                                        const emoji = response.emojis[name];
+                                        emojiCache[name] = emoji.emojipath;
+                                    } else {
+                                        emojiCache[name] = null;
+                                    }
+                                }
                             }
                         }
                     } else {
                         for (const name of emojisToFetch) {
-                            emojiCache[name] = `:${name}:`;
+                            emojiCache[name] = null;
                         }
                     }
+                    saveEmojiCache();
                     resolve();
                 },
-                error: function() {
+                error: function () {
                     for (const name of emojisToFetch) {
-                        emojiCache[name] = `:${name}:`;
+                        emojiCache[name] = null;
                     }
+                    saveEmojiCache();
                     resolve();
                 }
             });
         });
+
         emojisToFetch.forEach(name => {
             fetchingEmojis[name] = fetchPromise;
         });
 
         await fetchPromise;
     }
+
     await Promise.all(uniqueEmojis.map(name => fetchingEmojis[name]));
 
-    text = text.replace(/:([a-zA-Z0-9_]+):/g, (_, name) => emojiCache[name] || `:${name}:`);
+    text = text.replace(/:([a-zA-Z0-9_]+):/g, (_, name) => {
+        const url = emojiCache[name];
+        if (url === undefined) return `:${name}:`; // 未取得
+        if (url === null) return `:${name}:`;       // 存在しない
+
+        return `<img src="${url}" alt=":${name}:">`; // ここで生成
+    });
+
     return text;
 }
 
@@ -153,6 +214,13 @@ function formatMarkdown(text) {
     const placeholders = {};
     let placeholderIndex = 0;
 
+    // URLをプレースホルダーに退避
+    text = text.replace(/<a\b[^>]*>[\s\S]*?<\/a>/g, (match) => {
+        const key = `\u2063{{PLACEHOLDER${placeholderIndex++}}}\u2063`;
+        placeholders[key] = match; // 元の文字列を保存
+        return key;
+    });
+
     // 複数行インラインコード（バッククォート3つ）を検出して、<pre><code>で囲む
     text = text.replace(/```([\s\S]+?)```/g, (match, code) => {
         const key = `\u2063{{PLACEHOLDER${placeholderIndex++}}}\u2063`;
diff --git a/server/uwuzuinfo.txt b/server/uwuzuinfo.txt
index 3f584cd..5ec6b55 100644
--- a/server/uwuzuinfo.txt
+++ b/server/uwuzuinfo.txt
@@ -1,4 +1,4 @@
 uwuzu
-1.5.3
-2025/05/12
+1.5.4
+2025/06/08
 daichimarukana,putonfps
\ No newline at end of file
diff --git a/server/uwuzurelease.txt b/server/uwuzurelease.txt
index c57bd07..153fcaa 100644
--- a/server/uwuzurelease.txt
+++ b/server/uwuzurelease.txt
@@ -1,6 +1,16 @@
 ## リリースノートだぜぇぇぇぇぇぇい！！！！！！！
 ここにはuwuzuの更新情報を載せてくぜぇ～！(いやまてテンションおかしいだろ...)
 
+## Version 1.5.4 (Combeny)
+2025/06/08
+fix: uwuzuのセットアップ時にエラーが発生して進めなくなる問題を修正しました。
+fix: @useridの含まれるURLの表示がおかしくなってしまう問題を修正しました。
+fix: オブジェクトストレージにアップロードされたファイルが正常に削除されていないのにもかかわらず削除された判定となってしまっている可能性のある問題を修正しました。
+fix: API・ActivityPub用エンドポイントで、オブジェクトストレージを使用してアップロードされたファイルのURLが正常に返されない問題を修正しました。
+fix: URL内にアンダーバーが含まれていると、正常にハイパーリンク化されない問題を修正しました。
+chg: 絵文字の読み込みを初めの一回以降省略することでタイムラインの読み込みを高速化しました！
+    なお、絵文字の削除等で正常に絵文字が表示されなくなった場合はその他ページよりキャッシュクリアをしてください。
+
 ## Version 1.5.3 (Combeny)
 2025/05/12
 fix: ユーズに何も引用などしていない通常のリユーズがある場合にユーズを削除しようとした場合にエラーが発生する恐れのある問題を修正しました！
diff --git a/update.json b/update.json
index 9b80f3f..3375da1 100644
--- a/update.json
+++ b/update.json
@@ -1,22 +1,37 @@
 {
     "software": "uwuzu",
-    "version": "1.5.3",
-    "release_date": "2025/05/12",
-    "release_notes": "このアップデートにはアカウント削除に失敗する問題の修正や、ユーズのMarkdownの解析に失敗する問題の修正が含まれます！詳細はリリースノートをご覧ください。",
+    "version": "1.5.4",
+    "release_date": "2025/06/08",
+    "release_notes": "このアップデートにはユーズのMarkdownの解析に失敗する問題の修正やuwuzuのセットアップが行えなくなってしまう問題の修正が含まれます！詳細はリリースノートをご覧ください。",
     "notices": "アップデート前にデータのバックアップを行うことをおすすめします！\nまた、アップデート後はキャッシュクリアをお忘れなく！",
     "files": {
         "overwrite": [
-            "/js/view_function.js",
+            "/.well-known/webfinger/index.php",
+            "/actor/index.php",
+            "/admin/addadmin.php",
+            "/admin/index.php",
+            "/admin/setup_db_php.php",
+            "/admin/setup_uwuzu_db.php",
+            "/admin/success.php",
+            "/api/favorite/change.php",
+            "/api/favorite/get.php",
+            "/api/me/index.php",
+            "/api/ueuse/create.php",
+            "/api/ueuse/delete.php",
+            "/api/ueuse/get.php",
+            "/api/ueuse/index.php",
+            "/api/ueuse/mentions.php",
+            "/api/ueuse/replies.php",
+            "/api/ueuse/search.php",
+            "/api/users/follow.php",
+            "/api/users/index.php",
+            "/api/users/unfollow.php",
             "/function/function.php",
-            "/addauthcode.php",
-            "/authcodechk.php",
-            "/authlogin.php",
-            "/check.php",
-            "/index.php",
-            "/login.php",
-            "/new_select.php",
-            "/new.php",
-            "/success.php",
+            "/js/nsfw_event.js",
+            "/js/unsupported.js",
+            "/js/view_function.js",
+            "/others/cache_clear.php",
+            "/others/index.php",
 
             "/server/uwuzuabout.txt",
             "/server/uwuzuinfo.txt",