diff --git a/admin/api.php b/admin/api.php
index d213069..a2f0864 100644
--- a/admin/api.php
+++ b/admin/api.php
@@ -15,7 +15,7 @@ if (!empty($action) && $_SESSION["password"] == $config["admin_pwd"]){
         echo "YES";
     }
 
-    if ($action == "get"){
+    if ($action == "getlinks"){
         $stmt1 = $mysqli->prepare("SELECT `LinkID`, `ContentID`, `Nickname` FROM Links");
         $stmt1->bind_result($linkid, $contentid, $nickname);
         $stmt1->execute();
@@ -25,21 +25,21 @@ if (!empty($action) && $_SESSION["password"] == $config["admin_pwd"]){
             $id = htmlspecialchars($linkid);
             $nickname = htmlspecialchars($nickname);
             $contentid = htmlspecialchars($contentid);
-            $out = $out . "<tr><td>$id</td><td>$contentid</td><td>$nickname</td><td><button onclick=\"delthis('$id')\">Delete</button></td></tr>";
+            $out = $out . "<tr><td><input id=\"addid_$id\" placeholder=\"ID\" value=\"$id\"></td></td><td><input id=\"addcontentid_$id\" value=\"$contentid\" placeholder=\"Content ID\"></td><td><input id=\"addnickname_$id\" value=\"$nickname\" placeholder=\"Nickname\"></td><td><button onclick=\"uplinkthis('$id')\">Update</button><button onclick=\"delthis('$id')\">Delete</button></td></tr>";
         }
         $out = $out . "<tr><td><input id=\"addid\" placeholder=\"ID\"></td><td><input id=\"addcontentid\" placeholder=\"Content ID\"></td><td><input id=\"addnickname\" placeholder=\"Nickname\"></td><td><button id=\"linkadder\" onclick=\"justadd()\">Add</button></td></tr>";
         $out = $out . "</tbody></table>";
         echo $out;
     }
 
-    if ($action == "delete" && !empty($_POST["id"])){
+    if ($action == "deletelink" && !empty($_POST["id"])){
         $stmt2 = $mysqli->prepare("DELETE FROM Links WHERE `LinkID` = ?");
         $stmt2->bind_param('s', $_POST["id"]);
         $stmt2->execute();
         $stmt2->store_result();
     }
     
-    if ($action == "set" && !empty($_POST["id"]) && !empty($_POST["contentid"]) && !empty($_POST["nickname"])){
+    if ($action == "addlink" && !empty($_POST["id"]) && !empty($_POST["contentid"]) && !empty($_POST["nickname"])){
         $stmt3 = $mysqli->prepare("INSERT INTO Links (`LinkID`, `ContentID`, `Nickname`) VALUES (?, ?, ?);");
         $stmt3->bind_param('sss', $_POST["id"], $_POST["contentid"], $_POST["nickname"]);
         $stmt3->execute();
@@ -47,23 +47,18 @@ if (!empty($action) && $_SESSION["password"] == $config["admin_pwd"]){
     }
 
     if ($action == "getcontent"){
-        $stmt4 = $mysqli->prepare("SELECT `ContentID`, `Type`, `Content` FROM Content");
-        $stmt4->bind_result ($contentid, $type, $content);
+        $stmt4 = $mysqli->prepare("SELECT `ContentID`, `Content` FROM Content");
+        $stmt4->bind_result ($contentid, $content);
         $stmt4->execute();
         $stmt4->store_result();
-        $out = "<table><tbody><tr><th>Content ID</th><th>Content</th><th>MIME type</th><th>Button</th></tr>";
+        $out = "<table><tbody><tr><th>Content ID</th><th>Content</th><th>Button</th></tr>";
         while ($stmt4->fetch()) {
             $id = htmlspecialchars($contentid);
-            if(empty($type)){
-                $content = htmlspecialchars($content);
-                $type = "Normal text";
-            }
-            else{
-                $content = "Binary data";
-            }
-            $out = $out . "<tr><td>$id</td><td>$content</td><td>$type</td><td><button onclick=\"delcthis('$id')\">Delete</button></td></tr>";
+            $content = htmlspecialchars($content);
+
+            $out = $out . "<tr><td><input id=\"addidc_$id\" placeholder=\"Content ID\" value=\"$id\"></td></td><td><textarea id=\"addcontentc_$id\" placeholder=\"Content\">$content</textarea></td><td><button onclick=\"upcthis('$id')\">Update</button><button onclick=\"delcthis('$id')\">Delete</button></td></tr>";
         }
-        $out = $out . "<tr><td><input id=\"addidc\" placeholder=\"Content ID\"></td><td><textarea id=\"addcontentc\" placeholder=\"Content\"></textarea></td><td><input id=\"addtypec\" placeholder=\"MIME Type(when set the data must be Base64)\"></td></td><td><button id=\"contentadder\" onclick=\"justaddc()\">Add</button></td></tr>";
+        $out = $out . "<tr><td><input id=\"addidc\" placeholder=\"Content ID\"></td><td><textarea id=\"addcontentc\" placeholder=\"Content\"></textarea></td><td><button id=\"contentadder\" onclick=\"justaddc()\">Add</button></td></tr>";
         $out = $out . "</tbody></table>";
         echo $out;
     }
@@ -75,21 +70,27 @@ if (!empty($action) && $_SESSION["password"] == $config["admin_pwd"]){
         $stmt5->store_result();
     }
     
-    if ($action == "setcontent" && !empty($_POST["id"]) && !empty($_POST["content"])){
-        $stmt6 = $mysqli->prepare("INSERT INTO Content (`ContentID`, `Type`,  `Content`) VALUES (?, ?, ?);");
-        $type = "";
-        if (!empty($_POST["type"])){
-            $decoded = base64_decode($_POST["content"]);
-            $type = $_POST["type"];
-            $stmt6->bind_param('sss', $_POST["id"], $type, $decoded);
-        }
-        else{
-            $stmt6->bind_param('sss', $_POST["id"], $type, $_POST["content"]);
-        }
+    if ($action == "addcontent" && !empty($_POST["id"]) && !empty($_POST["content"])){
+        $stmt6 = $mysqli->prepare("INSERT INTO Content (`ContentID`,  `Content`) VALUES (?, ?);");
+        $stmt6->bind_param('ss', $_POST["id"], $_POST["content"]);
         $stmt6->execute();
         $stmt6->store_result();
     }
 
+    if ($action == "setlink" && !empty($_POST["id"]) && !empty($_POST["contentid"]) && !empty($_POST["nickname"]) && !empty($_POST["idwhere"])){
+        $stmt9 = $mysqli->prepare("UPDATE Links SET `LinkID` = ?, `ContentID` = ?, `Nickname` = ? WHERE `LinkID` = ?;");
+        $stmt9->bind_param('ssss', $_POST["id"], $_POST["contentid"], $_POST["nickname"], $_POST["idwhere"]);
+        $stmt9->execute();
+        $stmt8->store_result();
+    }
+
+    if ($action == "setcontent" && !empty($_POST["id"]) && !empty($_POST["content"]) && !empty($_POST["idwhere"])){
+        $stmt8 = $mysqli->prepare("UPDATE Content SET `ContentID` = ?, `Content` = ? WHERE `ContentID` = ?;");
+        $stmt8->bind_param('sss', $_POST["id"], $_POST["content"], $_POST["idwhere"]);
+        $stmt8->execute();
+        $stmt8->store_result();
+    }
+
     if ($action == "getlog"){
         $idcko = $_POST["id"];
         if (empty($idcko)||$idcko == "*"){
diff --git a/admin/index.html b/admin/index.html
index 8b1bdbb..3fc89ec 100644
--- a/admin/index.html
+++ b/admin/index.html
@@ -20,7 +20,7 @@
             let nickname = $("#addnickname").val();
             $.post("api.php", 
             {
-                action: "set",
+                action: "addlink",
                 password: password, 
                 id: id,
                 contentid: contentid,
@@ -33,15 +33,12 @@
         function justaddc(){
             let id = $("#addidc").val();
             let content = $("#addcontentc").val();
-            let type = "normal";
-            type = $("#addtypec").val();
             $.post("api.php", 
             {
-                action: "setcontent",
+                action: "addcontent",
                 password: password, 
                 id: id,
                 content: content,
-                type: type,
             }, function( data ) {
                 getcontents();
             });
@@ -57,6 +54,36 @@
             });
         }
 
+        function upcthis(name){
+            let id = $("#addidc_" + name).val();
+            let contentin = $("#addcontentc_" + name).val();
+            $.post("api.php", 
+            {
+                action: "setcontent", 
+                idwhere: name,
+                id: id,
+                content: contentin,
+            }, function( data ) {
+                getcontents();
+            });
+        }
+
+        function uplinkthis(name){
+            let id = $("#addid_" + name).val();
+            let contentid = $("#addcontentid_" + name).val();
+            let nickname = $("#addnickname_" + name).val();
+            $.post("api.php", 
+            {
+                action: "setlink", 
+                idwhere: name,
+                id: id,
+                contentid: contentid,
+                nickname: nickname,
+            }, function( data ) {
+                getcontents();
+            });
+        }
+
         function getcontents(){
             $.post("api.php", 
             {
@@ -82,7 +109,7 @@
         function delthis(name){
             $.post("api.php", 
             {
-                action: "delete", 
+                action: "deletelink", 
                 id: name
             }, function( data ) {
                 getlinks();
@@ -125,7 +152,7 @@
         function getlinks(){
             $.post("api.php", 
             {
-                action: "get"
+                action: "getlinks"
             }, function( data ) {
                 $("#linkslist").html(data);
                 $("#addnickname").keyup(function(event) {
diff --git a/index.php b/index.php
index f990bff..73cf938 100644
--- a/index.php
+++ b/index.php
@@ -19,9 +19,9 @@ if (!empty($idcko)){
         die("Nonexistent link");
     }
     while ($stmt1->fetch()) {
-        $stmt2 = $mysqli->prepare("SELECT `Type`, `Content` FROM Content WHERE `ContentID` = ?");
+        $stmt2 = $mysqli->prepare("SELECT `Content` FROM Content WHERE `ContentID` = ?");
         $stmt2->bind_param("s", $contentid);
-        $stmt2->bind_result ($type, $content);
+        $stmt2->bind_result ($content);
         $stmt2->execute();
         $stmt2->store_result();
         if ($stmt2->num_rows() < 1) {
@@ -33,10 +33,6 @@ if (!empty($idcko)){
             $stmt3->bind_param('ssssss', $action, $idcko, $contentid, $curdate, $nickname, $ipcka);
             $stmt3->execute();
             $stmt3->store_result();
-            if ($type == 1){
-
-            }
-            header("Content-Type: $type");
             echo $content;
         }