diff --git a/src/users/users.cpp b/src/users/users.cpp
index 42eb212..bb1b794 100644
--- a/src/users/users.cpp
+++ b/src/users/users.cpp
@@ -126,7 +126,7 @@ void add_user(const httplib::Request& request, httplib::Response& response) {
     all_users.push_back(nlohmann::json::parse(new_user_data));
 
     std::ofstream usersfilew("users.json");
-    usersfilew << all_users.dump();
+    usersfilew << all_users.dump(4);
     usersfilew.close();
 
     response.set_content("{\"status\":\"ok\"}", "application/json");
@@ -176,7 +176,7 @@ void del_user(const httplib::Request& request, httplib::Response& response) {
     }
     if (!found) {response.set_content("{\"status\":\"can't find this user\"}", "application/json");return;}
     std::ofstream usersfilew("users.json");
-    usersfilew << all_users.dump();
+    usersfilew << all_users.dump(4);
     usersfilew.close();
     response.set_content("{\"status\":\"ok\"}", "application/json");
 }
@@ -252,7 +252,7 @@ void change_password(const httplib::Request& request, httplib::Response& respons
     }
     if (!found) {response.set_content("{\"status\":\"can't find this user\"}", "application/json");return;}
     std::ofstream usersfilew("users.json");
-    usersfilew << all_users.dump();
+    usersfilew << all_users.dump(4);
     usersfilew.close();
     response.set_content("{\"status\":\"ok\"}", "application/json");
 }
diff --git a/src/web/index.html b/src/web/index.html
index 888980c..3dc2e09 100644
--- a/src/web/index.html
+++ b/src/web/index.html
@@ -14,6 +14,7 @@
     <div class="header">
         <button class="exitbutton headerbutton">Exit</button>
         <button class="adduserbutton headerbutton">Adduser</button>
+        <h1 class="usernameheader"></h1>
     </div>
 
     <div class="form loginform">
diff --git a/src/web/js/add_user.js b/src/web/js/add_user.js
index bb87e7a..13c321e 100644
--- a/src/web/js/add_user.js
+++ b/src/web/js/add_user.js
@@ -24,16 +24,19 @@ adduserformbody.addEventListener('submit', async (e) => {
         group: groupinput.value,
         is_superuser: is_superuserinput.checked?"1":"0"
     }
-    console.log({...new_user, token: localStorage.getItem('token')})
     const status = await fetch(routes.adduser(), {
         method: 'POST',
         body: `{"token":"${localStorage.getItem('token')}","username":"${new_user.username}","password":"${new_user.password}","group":"${new_user.group}","is_superuser":"${new_user.is_superuser}"}`
-    }).then(data => data.json()).then(jsondata => jsondata)
-    console.log(status)
+    }).then(data => data.json()).then(jsondata => jsondata).catch((error) => {
+        notification(`Ошибка на сервере: ${error}`, "error")
+    })
     if (status.status === "ok") {
         adduserform.classList.remove('active')
         get_all_users()
         notification("Пользователь успешно добавлен", "success")
+        usernameinput.value = ""
+        passwordinput.value = ""
+        groupinput.value = ""
     }
     if (status.status === "user already exists") {
         notification("Пользователь с таким именем уже существует", "error")
diff --git a/src/web/js/change_password.js b/src/web/js/change_password.js
index 61edb13..c3ebd53 100644
--- a/src/web/js/change_password.js
+++ b/src/web/js/change_password.js
@@ -20,10 +20,12 @@ changepasswordformbody.addEventListener('submit', async e => {
     const status = await fetch(routes.change_password_url(), {
         method: 'POST',
         body: `{"token":"${localStorage.getItem('token')}","userid":"${changepassuserid}","new_password":"${changepasswordnewpassword.value}"}`
-    }).then(data => data.json()).then(jsondata => jsondata)
-    console.log(status)
+    }).then(data => data.json()).then(jsondata => jsondata).catch((error) => {
+        notification(`Ошибка на сервере: ${error}`, "error")
+    })
     if (status.status === "ok") {
         notification("Пароль успешно изменен", "success")
         changepasswordform.classList.remove('active')
+        changepasswordnewpassword.value = ""
     }
 })
diff --git a/src/web/js/del_user.js b/src/web/js/del_user.js
index ff386f3..18ac2ac 100644
--- a/src/web/js/del_user.js
+++ b/src/web/js/del_user.js
@@ -24,10 +24,12 @@ confirmformok.addEventListener('click', async () => {
     const status = await fetch(routes.deluser(), {
         method: 'POST',
         body: `{"token":"${localStorage.getItem('token')}","userid":"${useridtodelete}"}`
-    }).then(data => data.json()).then(jsondata => jsondata)
-
-    console.log(status)
+    }).then(data => data.json()).then(jsondata => jsondata).catch((error) => {
+        notification(`Ошибка на сервере: ${error}`, "error")
+    })
     if (status.status === "ok") {
+        confirmform.classList.remove('active')
+        get_all_users()
         notification("Пользователь успешно удален", "success")
     }
 })
diff --git a/src/web/js/get_all_users.js b/src/web/js/get_all_users.js
index fa4cf1f..09d5d4a 100644
--- a/src/web/js/get_all_users.js
+++ b/src/web/js/get_all_users.js
@@ -2,8 +2,9 @@ const get_all_users = async () => {
     const response = await fetch(routes.all_users(), {
         method: "POST",
         body: `{"token":"${localStorage.getItem("token")}"}`
-    }).then(data => data.json()).then(jsondata => jsondata)
-    console.log(response)
+    }).then(data => data.json()).then(jsondata => jsondata).catch((error) => {
+        notification(`Ошибка на сервере: ${error}`, "error")
+    })
     const alluserstablebody = document.querySelector('.alluserstablebody')
     alluserstablebody.innerHTML = ""
     for (const user of response) {
diff --git a/src/web/js/login.js b/src/web/js/login.js
index 7ed3c70..e5bb295 100644
--- a/src/web/js/login.js
+++ b/src/web/js/login.js
@@ -4,13 +4,11 @@ const loginforminputusername = document.querySelector('#loginforminputusername')
 const loginforminputpassword = document.querySelector('#loginforminputpassword')
 const loginformbutton = document.querySelector('.loginformbutton')
 const exitbutton = document.querySelector('.exitbutton')
-
-// loginformbody.unbind('submit')
+const usernameheader = document.querySelector('.usernameheader')
 
 loginformbody.addEventListener('submit', (e) => {
     e.preventDefault()
     login(loginforminputusername.value, loginforminputpassword.value)
-    // console.log(loginform, loginforminputpassword, loginforminputusername, loginformbutton)
 })
 
 const login = async (username, password) => {
@@ -23,7 +21,13 @@ const login = async (username, password) => {
         },
         // mode: 'no-cors',
         body: `{"username":"${username}","password":"${password}"}`
-    }).then(data => data.json()).then(jsondata => jsondata)
+    }).then(data => data.json()).then(jsondata => jsondata).catch((error) => {
+        if (error.message === "Unexpected end of JSON input") {
+            notification(`Ошибка на сервере: Создайте файл users.json и запишите в него первого пользователя`, "error")
+        } else {
+            notification(`Ошибка на сервере: ${error}`, "error")
+        }
+    })
     if (response.status === "403") {
         notification("Неправильный логин или пароль", "error")
     }
@@ -32,6 +36,8 @@ const login = async (username, password) => {
         loginform.classList.remove("active")
         localStorage.setItem("token", response.token)
         get_user_data(response.token)
+        loginforminputusername.value = ""
+        loginforminputpassword.value = ""
     }
 }
 
@@ -39,9 +45,12 @@ const get_user_data = async (token) => {
     const response = await fetch(routes.user(), {
         method: "POST",
         body: `{"token":"${localStorage.getItem("token")}"}`
-    }).then(data => data.json()).then(jsondata => jsondata)
+    }).then(data => data.json()).then(jsondata => jsondata).catch((error) => {
+        notification(`Ошибка на сервере: ${error}`, "error")
+    })
     if (response.is_superuser === "1") {
         get_all_users()
+        usernameheader.innerHTML = response.username
     } else {
         document.querySelector('.alluserstablebody').innerHTML = ""
         loginform.classList.add("active")
diff --git a/src/web/js/window.js b/src/web/js/window.js
index 7a6f728..4c29ec6 100644
--- a/src/web/js/window.js
+++ b/src/web/js/window.js
@@ -10,7 +10,10 @@ document.addEventListener("DOMContentLoaded", () => {
             } else {
                 document.querySelector('.loginform').classList.add('active')
             }
+        }).catch((error) => {
+            notification(`Ошибка на сервере: ${error}`, "error")
         })
+        usernameheader.innerHTML = JSON.parse(localStorage.getItem('userdata')).username
     } else {
         document.querySelector('.loginform').classList.add('active')
     }