diff --git a/JavaScript/c-commonjs/api/user.js b/JavaScript/c-commonjs/api/user.js
index b2e65b7..57843c4 100644
--- a/JavaScript/c-commonjs/api/user.js
+++ b/JavaScript/c-commonjs/api/user.js
@@ -6,25 +6,25 @@ const users = db.crud('users');
 
 module.exports = {
   async read(id) {
-    return users.read(id, ['id', 'login']);
+    return await users.read(id, ['id', 'login']);
   },
 
   async create({ login, password }) {
     const passwordHash = await common.hash(password);
-    return users.create({ login, password: passwordHash });
+    return await users.create({ login, password: passwordHash });
   },
 
   async update(id, { login, password }) {
     const passwordHash = await common.hash(password);
-    return users.update(id, { login, password: passwordHash });
+    return await users.update(id, { login, password: passwordHash });
   },
 
   async delete(id) {
-    return users.delete(id);
+    return await users.delete(id);
   },
 
   async find(mask) {
     const sql = 'SELECT login from users where login like $1';
-    return users.query(sql, [mask]);
+    return await users.query(sql, [mask]);
   },
 };
diff --git a/JavaScript/c-commonjs/db.js b/JavaScript/c-commonjs/db.js
index 45a4a52..3964203 100644
--- a/JavaScript/c-commonjs/db.js
+++ b/JavaScript/c-commonjs/db.js
@@ -52,7 +52,7 @@ const crud = (table) => ({
   },
 
   async delete(id) {
-    const sql = 'DELETE FROM ${table} WHERE id = $1';
+    const sql = `DELETE FROM ${table} WHERE id = $1`;
     return pool.query(sql, [id]);
   },
 });
diff --git a/JavaScript/c-commonjs/static/client.js b/JavaScript/c-commonjs/static/client.js
index 35e400e..ebe8c66 100644
--- a/JavaScript/c-commonjs/static/client.js
+++ b/JavaScript/c-commonjs/static/client.js
@@ -72,6 +72,6 @@ const scaffold = (url) => {
       say: ['message'],
     }
   });
-  const data = await api.talks.say('hello');
+  const data = await api.user.read();
   console.dir({ data });
 })();
diff --git a/JavaScript/c-commonjs/transport/http.js b/JavaScript/c-commonjs/transport/http.js
index e12b373..a169fb6 100644
--- a/JavaScript/c-commonjs/transport/http.js
+++ b/JavaScript/c-commonjs/transport/http.js
@@ -20,21 +20,23 @@ const receiveArgs = async (req) => {
 };
 
 module.exports = (routing, port, console) => {
-  http.createServer(async (req, res) => {
-    res.writeHead(200, HEADERS);
-    if (req.method !== 'POST') return void res.end('"Not found"');
-    const { url, socket } = req;
-    const [place, name, method] = url.substring(1).split('/');
-    if (place !== 'api') return void res.end('"Not found"');
-    const entity = routing[name];
-    if (!entity) return void res.end('"Not found"');
-    const handler = entity[method];
-    if (!handler) return void res.end('"Not found"');
-    const { args } = await receiveArgs(req);
-    console.log(`${socket.remoteAddress} ${method} ${url}`);
-    const result = await handler(args);
-    res.end(JSON.stringify(result));
-  }).listen(port);
+  http
+    .createServer(async (req, res) => {
+      res.writeHead(200, HEADERS);
+      if (req.method !== 'POST') return void res.end('"Not found"');
+      const { url, socket } = req;
+      const [place, name, method] = url.substring(1).split('/');
+      if (place !== 'api') return void res.end('"Not found"');
+      const entity = routing[name];
+      if (!entity) return void res.end('"Not found"');
+      const handler = entity[method];
+      if (!handler) return void res.end('"Not found"');
+      const { args } = await receiveArgs(req);
+      console.log(`${socket.remoteAddress} ${method} ${url}`);
+      const result = await handler(...args);
+      res.end(JSON.stringify(result));
+    })
+    .listen(port);
 
   console.log(`API on port ${port}`);
 };
diff --git a/JavaScript/c-commonjs/transport/ws.js b/JavaScript/c-commonjs/transport/ws.js
index 708d24c..c9665d6 100644
--- a/JavaScript/c-commonjs/transport/ws.js
+++ b/JavaScript/c-commonjs/transport/ws.js
@@ -25,7 +25,9 @@ module.exports = (routing, port, console) => {
       console.log(`${ip} ${name}.${method}(${parameters})`);
       try {
         const result = await handler(...args);
-        connection.send(JSON.stringify(result), { binary: false });
+        connection.send(
+          JSON.stringify(result), { binary: false }
+        );
       } catch (err) {
         console.error(err);
         connection.send('"Server error"', { binary: false });
diff --git a/JavaScript/d-messenger/lib/db.js b/JavaScript/d-messenger/lib/db.js
index 5e26018..c03d384 100644
--- a/JavaScript/d-messenger/lib/db.js
+++ b/JavaScript/d-messenger/lib/db.js
@@ -10,7 +10,7 @@ const crud = (pool) => (table) => ({
 
   async read(id, fields = ['*']) {
     const names = fields.join(', ');
-    const sql = `SELECT ${names} FROM ${table}`;
+    const sql = `SELECT ${names} FROM "${table}"`;
     if (!id) return pool.query(sql);
     return pool.query(`${sql} WHERE id = $1`, [id]);
   },
@@ -40,13 +40,13 @@ const crud = (pool) => (table) => ({
       updates[i] = `${key} = $${++i}`;
     }
     const delta = updates.join(', ');
-    const sql = `UPDATE ${table} SET ${delta} WHERE id = $${++i}`;
+    const sql = `UPDATE "${table}" SET ${delta} WHERE id = $${++i}`;
     data.push(id);
     return pool.query(sql, data);
   },
 
   async delete(id) {
-    const sql = 'DELETE FROM ${table} WHERE id = $1';
+    const sql = `DELETE FROM "${table}" WHERE id = $1`;
     return pool.query(sql, [id]);
   },
 });
diff --git a/JavaScript/d-messenger/transport/http.js b/JavaScript/d-messenger/transport/http.js
index ecc9711..a169fb6 100644
--- a/JavaScript/d-messenger/transport/http.js
+++ b/JavaScript/d-messenger/transport/http.js
@@ -33,7 +33,7 @@ module.exports = (routing, port, console) => {
       if (!handler) return void res.end('"Not found"');
       const { args } = await receiveArgs(req);
       console.log(`${socket.remoteAddress} ${method} ${url}`);
-      const result = await handler(args);
+      const result = await handler(...args);
       res.end(JSON.stringify(result));
     })
     .listen(port);