createMsg erstellt und message.model.js id Änderung

message.model.js

 const mongoose = require('mongoose');
 
 const MessageSchema = mongoose.Schema({
-    _id: String,
     subject: { type: String, required: true },
     message: { type: String, required: true },
     user: { type: String, required: true },

package-lock.json

     },
     "finalhandler": {
       "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
       "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
       "requires": {
         "debug": "2.6.9",
       }
     },
     "mongoose": {
-      "version": "5.4.3",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.4.3.tgz",
-      "integrity": "sha512-zhfypQm63CPYHi43O/3lTcEPVucY3h6CqONbzreMKZIEXtwgkB9HCm4wn441Z9/CpM94G6/NA3wcaRb0N2kPYQ==",
+      "version": "5.4.10",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.4.10.tgz",
+      "integrity": "sha512-yJl+A7p8QF++tyBl6fRGFON5GV57MTXLKNiaiqgX5vZs1qJpcZpPiUGU5odBiqTHFYPybuRp8dW9Qtv4K6SxBQ==",
       "requires": {
         "async": "2.6.1",
         "bson": "~1.1.0",
         "kareem": "2.3.0",
-        "mongodb": "3.1.10",
-        "mongodb-core": "3.1.9",
+        "mongodb": "3.1.13",
+        "mongodb-core": "3.1.11",
         "mongoose-legacy-pluralize": "1.0.2",
         "mpath": "0.5.1",
         "mquery": "3.2.0",
         "regexp-clone": "0.0.1",
         "safe-buffer": "5.1.2",
         "sliced": "1.0.1"
+      },
+      "dependencies": {
+        "mongodb": {
+          "version": "3.1.13",
+          "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.13.tgz",
+          "integrity": "sha512-sz2dhvBZQWf3LRNDhbd30KHVzdjZx9IKC0L+kSZ/gzYquCF5zPOgGqRz6sSCqYZtKP2ekB4nfLxhGtzGHnIKxA==",
+          "requires": {
+            "mongodb-core": "3.1.11",
+            "safe-buffer": "^5.1.2"
+          }
+        },
+        "mongodb-core": {
+          "version": "3.1.11",
+          "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.11.tgz",
+          "integrity": "sha512-rD2US2s5qk/ckbiiGFHeu+yKYDXdJ1G87F6CG3YdaZpzdOm5zpoAZd/EKbPmFO6cQZ+XVXBXBJ660sSI0gc6qg==",
+          "requires": {
+            "bson": "^1.1.0",
+            "require_optional": "^1.0.1",
+            "safe-buffer": "^5.1.2",
+            "saslprep": "^1.0.0"
+          }
+        }
       }
     },
     "mongoose-legacy-pluralize": {

package.json

 		"express": "^4.16.4",
 		"express-session": "^1.15.6",
 		"mongodb": "^3.1.10",
-		"mongoose": "^5.4.3",
+		"mongoose": "^5.4.10",
 		"morgan": "^1.9.1",
 		"vue": "^2.5.17",
 		"vue-router": "^3.0.2"

public/createMessage.js

     template: `
 <div class="card om-card">
 	<h5>Neue Nachricht erstellen</h5>
-	<form class="new-msg-form" action="#" methord="GET">
+	<form class="new-msg-form" @submit.prevent=createMsg>
 		<div class="form-group bmd-form-group">
 			<label class="bmd-label-floating">Betreff</label>
 			<input type="text" class="form-control" id="subject">
 		</div>
 		<div class="form-group bmd-form-group">
 			<label class="bmd-label-floating">Tags</label>
-			<input type="text" class="form-control" id="hashtags">
+			<input type="text" class="form-control" id="tag">
 		</div>
 		<div class="form-group">
 			<label class="bmd-label-floating">Nachricht</label>
 			<textarea class="form-control" id="message" rows="5"></textarea>
 		</div>
+		<div class="form-group">
+			<label class="bmd-label-floating">User</label>
+			<textarea class="form-control" id="user"></textarea>
+		</div>
 		<div class="form-group">
 			<div class="checkbox">
 				<label>
 		return {};
     },
     methods: {
+		createMsg: function() {
+			var subject=$("#subject").val();
+			var message=$("#message").val();
+			var tag=$("#tag").val();
+			var user=$("#user").val();
+			console.log ("Message Created: "+id+" "+tag+" "+message+" "+user);
+			$.ajax ({ url: "/api/createMsg", data: {subject: subject, tag: tag, message: message, user: user}, method: "POST" }) .done (have_result) .fail (have_error);
+			function have_result (res) {
+				console.log (res);
+			}
+			function have_error (err) {
+				console.log ("error:" + err.responseText);
+				console.log (err);
+			}
+		},
     },
     mounted: function() {
         if ($(this).bootstrapMaterialDesign)