diff --git a/check.html b/check.html
new file mode 100644
index 0000000..0918ac2
--- /dev/null
+++ b/check.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="utf-8">
+		<title>bn插件判别器</title>
+	</head>
+	<body>
+		<script>
+			function uploadandtest(){
+				var reader = new FileReader();
+				reader.onload = function() 
+				{
+					var str = this.result
+					if(str!=undefined&&str.length>=10){
+						var httpRequest = new XMLHttpRequest();//第一步：创建需要的对象
+						httpRequest.open('POST', 'https://blocklunukkit-1488c9.service.tcloudbase.com/checkifEditor', true); //第二步：打开连接
+						httpRequest.setRequestHeader("Content-type","application/x-www-form-urlencoded");//设置请求头 注：post方式必须设置请求头（在建立连接后设置请求头）
+						httpRequest.send(str);//发送请求 将情头体写在send中
+						httpRequest.onreadystatechange = function () {//请求后的回调接口，可将请求成功后要执行的程序写在其中
+						    if (httpRequest.readyState == 4 && httpRequest.status == 200) {//验证请求是否发送成功
+						        var back = httpRequest.responseText;//获取到服务端返回的数据
+						        if(back == "0"){
+									alert("非机制")
+								}else if(back == "1"){
+									alert("疑似机制")
+								}else if(back == "2"){
+									alert("确认机制")
+								}
+						    }
+						};
+					}
+				}
+				var f = document.getElementById("sefile").files[0];
+				reader.readAsText(f);
+			}
+		</script>
+		<p>bn机制检测系统</p>
+		<input type="file" name="file" class="btn btn-outline-primary" id="sefile"></input>
+		<button onclick="uploadandtest()">进行检测</button>
+	</body>
+</html>
diff --git a/index.html b/index.html
index 27bfd2d..9869374 100644
--- a/index.html
+++ b/index.html
@@ -363,6 +363,7 @@
 			  <category name="JSON" colour=78>
 				<block type="json_emptyJSON"></block>
 				<block type="json_set"></block>
+				<block type="json_delete"></block>
 			  </category>
 			</category>
 		  <category name="动态">
diff --git a/js/custom/JSON.js b/js/custom/JSON.js
index d8d04b2..d65a760 100644
--- a/js/custom/JSON.js
+++ b/js/custom/JSON.js
@@ -57,4 +57,38 @@ Blockly.JavaScript['json_set'] = function(block) {
       Blockly.JavaScript.ORDER_FUNCTION_CALL) || '\'\'';
   var text=jsontmp+'['+Key+'] = '+valuetmp+";\n"
   return text;
+};
+Blockly.Blocks['json_delete'] = {
+  init: function() {
+    this.jsonInit({
+      "message0": "删除 %1 的键 %2 和其对应的值",
+      "args0": [
+		{
+		  "type": "input_value",
+		  "name": "JSON",
+		  "check": "json"
+		},
+		{
+		  "type": "input_value",
+		  "name": "KEY",
+		  "check": "String"
+		}
+      ],
+	  "nextStatement": null,
+	  "previousStatement": null,
+	  "inputsInline": false,
+      "colour": 97,
+      "tooltip": "删除json的指定键",
+      "helpUrl": "#"
+    });
+  }
+};
+Blockly.JavaScript['json_delete'] = function(block) {
+  //String or array length.
+  var jsontmp = Blockly.JavaScript.valueToCode(block, 'JSON',
+      Blockly.JavaScript.ORDER_FUNCTION_CALL) || '\'\'';
+  var keytmp = Blockly.JavaScript.valueToCode(block, 'KEY',
+      Blockly.JavaScript.ORDER_FUNCTION_CALL) || '\'\'';
+  var text="delete "+jsontmp+"["+keytmp+"];\n"
+  return text;
 };
\ No newline at end of file
