diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 00000000..594f6367
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,43 @@
+version: 1.{build}
+pull_requests:
+  do_not_increment_build_number: true
+branches:
+  only:
+  - master
+clone_folder: C:\wafter
+init:
+- ps: >-
+    Install-Product node $env:nodejs_version $env:platform
+environment:
+  nodejs_version: 10
+platform:
+  - x86
+  - x64
+install:
+- cmd: >-
+    npm install --global npm@latest
+
+    git clone "https://github.com/vnma0/hestia.git" -b master --single-branch "..\hestia"
+
+    cd ..\hestia
+
+    npm install
+
+    npm run build
+
+    xcopy .\build ..\wafter\public\ /s /e
+
+    cd ..\wafter
+
+    npm install
+build_script:
+- cmd: >-
+    npm run pkg
+
+    cd dist\
+
+    7z a "wafter-%PLATFORM%-%APPVEYOR_BUILD_VERSION%.zip" wafter.exe
+test: off
+artifacts:
+- path: dist\wafter-%PLATFORM%-%APPVEYOR_BUILD_VERSION%.zip
+  name: Wafter-%PLATFORM%
\ No newline at end of file
diff --git a/contest.sample.json b/contest.sample.json
index bef050ef..c0bb8d8f 100644
--- a/contest.sample.json
+++ b/contest.sample.json
@@ -1,7 +1,8 @@
 {
     "name": "Sample Contest",
-    "startTime": [1970, 0, 1, 0, 0],
-    "endTime": [1970, 0, 1, 1, 0],
+    "startTime": "2019-02-27T14:00:00.000Z",
+    "endTime": "2019-02-27T17:30:00.000Z",
     "mode": "OI",
-    "probList": ["LARES", "GCD"]
+    "probList": ["LARES", "GCD"],
+    "allowedCodeExt": [".C", ".CPP"]
 }
diff --git a/package.json b/package.json
index e6267747..2f5365c2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wafter",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "description": "Mirai's Backend",
   "main": "src/index.js",
   "bin": "build/index.js",
@@ -9,7 +9,7 @@
     "start": "node src/index.js",
     "test": "mocha",
     "dev": "nodemon src/index.js",
-    "pkg": "pkg -o dist/wafter ."
+    "pkg": "npm run build && pkg -o dist/wafter ."
   },
   "pkg": {
     "scripts": [
diff --git a/src/controller/passportConfig.js b/src/controller/passportConfig.js
index 48e423e9..9459c927 100644
--- a/src/controller/passportConfig.js
+++ b/src/controller/passportConfig.js
@@ -20,11 +20,17 @@ function passportConfig(passport) {
         },
         async (username, password, done) => {
             try {
-                const dbUser = await readUser(username);
+                const dbUser = await readUser(username).catch(() => null);
+                if (!dbUser)
+                    return done(null, false, { message: "Cannot read user" });
+
                 const passHash = await readUserPassHash(dbUser._id);
                 const isMatch = await bcrypt.compare(password, passHash);
-                if (isMatch) return done(null, dbUser);
-                else done(null, false);
+                if (!isMatch)
+                    return done(null, false, { message: "Password mismatch" });
+
+                if (dbUser && isMatch) return done(null, dbUser);
+                else return done(null, false, { message: "Unknown error" });
             } catch (err) {
                 done(err);
             }
diff --git a/src/index.js b/src/index.js
index 3bc47d45..1aa96105 100644
--- a/src/index.js
+++ b/src/index.js
@@ -27,6 +27,8 @@ async function mainPrompt() {
  */
 async function main() {
     let res = {};
+    Console.log("MIRAI Wafter 1.0.0");
+    Console.log("Copyright (c) 2018 Vườn ươm A0. MIT License.");
     try {
         while (res.main !== "Exit") {
             res = await mainPrompt();
diff --git a/src/server.js b/src/server.js
index fd21e056..be2030e8 100644
--- a/src/server.js
+++ b/src/server.js
@@ -74,3 +74,9 @@ let serv = app.listen(PORT, () => {
         `Wafter is serving at http://${ip.address()}:${serv.address().port}`
     );
 });
+process.on("exit", () => {
+    serv.close(() => {
+        Console.log("Closing server");
+        process.exit(0);
+    });
+});
diff --git a/src/util/config/readCtConfig.js b/src/util/config/readCtConfig.js
index 1d58facf..05b82ee7 100644
--- a/src/util/config/readCtConfig.js
+++ b/src/util/config/readCtConfig.js
@@ -4,16 +4,14 @@ const score = require("../score");
 const readConfig = require("../readConfig");
 
 /**
- * Parse Object into Date object
- * @param {Object} timeData
+ * Parse ISO 8601 into Date object
+ * @param {String} timeData ISO 8601 String
  */
 function parseTime(timeData) {
-    try {
-        if (Array.isArray(timeData)) return new Date(...timeData);
-        else return new Date(timeData);
-    } catch (err) {
+    // Must be a number
+    if (new Date(timeData).toJSON() !== timeData)
         throw new Error("Invalid Time");
-    }
+    else return new Date(timeData);
 }
 
 /**