diff --git a/app.js b/app.js
index fe2b9f8..9af6d40 100644
--- a/app.js
+++ b/app.js
@@ -39,13 +39,12 @@ global.syzoj = {
     console.log(obj);
   },
   async run() {
-    let winstonLib = require('./libs/winston');
-    winstonLib.configureWinston(true);
-
     let Express = require('express');
     global.app = Express();
 
     syzoj.production = app.get('env') === 'production';
+    let winstonLib = require('./libs/winston');
+    winstonLib.configureWinston(!syzoj.production);
 
     app.server = require('http').createServer(app);
     app.server.listen(parseInt(syzoj.config.port), syzoj.config.hostname, () => {
@@ -86,6 +85,7 @@ global.syzoj = {
     app.use(csurf({ cookie: true }));
 
     await this.connectDatabase();
+    await this.lib('judger').connect();
     this.loadModules();
   },
   async connectDatabase() {
diff --git a/libs/judgeResult.js b/libs/judgeResult.js
index 88959cf..ddd8197 100644
--- a/libs/judgeResult.js
+++ b/libs/judgeResult.js
@@ -2,37 +2,37 @@
 Object.defineProperty(exports, "__esModule", { value: true });
 const _ = require("lodash");
 const winston = require("winston");
-const interfaces_1 = require("./judger_interfaces");
+const interfaces = require("./judger_interfaces");
 const compileError = "Compile Error", systemError = "System Error", testdataError = "No Testdata";
 exports.statusToString = {};
-exports.statusToString[interfaces_1.TestcaseResultType.Accepted] = "Accepted";
-exports.statusToString[interfaces_1.TestcaseResultType.WrongAnswer] = "Wrong Answer";
-exports.statusToString[interfaces_1.TestcaseResultType.PartiallyCorrect] = "Partially Correct";
-exports.statusToString[interfaces_1.TestcaseResultType.MemoryLimitExceeded] = "Memory Limit Exceeded";
-exports.statusToString[interfaces_1.TestcaseResultType.TimeLimitExceeded] = "Time Limit Exceeded";
-exports.statusToString[interfaces_1.TestcaseResultType.OutputLimitExceeded] = "Output Limit Exceeded";
-exports.statusToString[interfaces_1.TestcaseResultType.RuntimeError] = "Runtime Error";
-exports.statusToString[interfaces_1.TestcaseResultType.FileError] = "File Error";
-exports.statusToString[interfaces_1.TestcaseResultType.JudgementFailed] = "Judgement Failed";
-exports.statusToString[interfaces_1.TestcaseResultType.InvalidInteraction] = "Invalid Interaction";
+exports.statusToString[interfaces.TestcaseResultType.Accepted] = "Accepted";
+exports.statusToString[interfaces.TestcaseResultType.WrongAnswer] = "Wrong Answer";
+exports.statusToString[interfaces.TestcaseResultType.PartiallyCorrect] = "Partially Correct";
+exports.statusToString[interfaces.TestcaseResultType.MemoryLimitExceeded] = "Memory Limit Exceeded";
+exports.statusToString[interfaces.TestcaseResultType.TimeLimitExceeded] = "Time Limit Exceeded";
+exports.statusToString[interfaces.TestcaseResultType.OutputLimitExceeded] = "Output Limit Exceeded";
+exports.statusToString[interfaces.TestcaseResultType.RuntimeError] = "Runtime Error";
+exports.statusToString[interfaces.TestcaseResultType.FileError] = "File Error";
+exports.statusToString[interfaces.TestcaseResultType.JudgementFailed] = "Judgement Failed";
+exports.statusToString[interfaces.TestcaseResultType.InvalidInteraction] = "Invalid Interaction";
 function firstNonAC(t) {
-    if (t.every(v => v === interfaces_1.TestcaseResultType.Accepted)) {
-        return interfaces_1.TestcaseResultType.Accepted;
+    if (t.every(v => v === interfaces.TestcaseResultType.Accepted)) {
+        return interfaces.TestcaseResultType.Accepted;
     }
     else {
-        return t.find(r => r !== interfaces_1.TestcaseResultType.Accepted);
+        return t.find(r => r !== interfaces.TestcaseResultType.Accepted);
     }
 }
 exports.firstNonAC = firstNonAC;
 function convertResult(taskId, source) {
     winston.debug(`Converting result for ${taskId}`, source);
     let time = null, memory = null, score = null, done = true, statusString = null;
-    if (source.compile && source.compile.status === interfaces_1.TaskStatus.Failed) {
+    if (source.compile && source.compile.status === interfaces.TaskStatus.Failed) {
         statusString = compileError;
     }
     else if (source.error != null) {
         done = false;
-        if (source.error === interfaces_1.ErrorType.TestDataError) {
+        if (source.error === interfaces.ErrorType.TestDataError) {
             statusString = testdataError;
         }
         else {
@@ -49,7 +49,7 @@ function convertResult(taskId, source) {
         };
         time = forEveryTestcase(c => c.time, _.sum);
         memory = forEveryTestcase(c => c.memory, _.max);
-        if (source.judge.subtasks.some(s => s.cases.some(c => c.status === interfaces_1.TaskStatus.Failed))) {
+        if (source.judge.subtasks.some(s => s.cases.some(c => c.status === interfaces.TaskStatus.Failed))) {
             winston.debug(`Some subtasks failed, returning system error`);
             statusString = systemError;
         }
@@ -67,7 +67,7 @@ function convertResult(taskId, source) {
         time: time,
         memory: memory,
         score: score,
-        statusNumber: done ? interfaces_1.TaskStatus.Done : interfaces_1.TaskStatus.Failed,
+        statusNumber: done ? interfaces.TaskStatus.Done : interfaces.TaskStatus.Failed,
         statusString: statusString,
         result: source
     };
diff --git a/libs/judger.js b/libs/judger.js
index aef341f..38cb20c 100644
--- a/libs/judger.js
+++ b/libs/judger.js
@@ -96,6 +96,7 @@ async function connect () {
         process.exit(1);
     });
 }
+module.exports.connect = connect;
 
 module.exports.judge = async function (judge_state, problem, priority) {
     let type, param, extraData = null;
@@ -138,5 +139,3 @@ module.exports.judge = async function (judge_state, problem, priority) {
 
     amqpSendChannel.sendToQueue('judge', msgPack.encode({ content: content, extraData: extraData }), { priority: priority });
 }
-
-connect();
diff --git a/modules/socketio.js b/modules/socketio.js
index bced125..cd137c1 100644
--- a/modules/socketio.js
+++ b/modules/socketio.js
@@ -4,8 +4,8 @@ const socketio = require("socket.io");
 const diff = require("jsondiffpatch");
 const jwt = require("jsonwebtoken");
 const winston = require("winston");
-const judgeResult_1 = require("../libs/judgeResult");
-const interfaces_1 = require("../libs/judger_interfaces");
+const judgeResult = require("../libs/judgeResult");
+const interfaces = require("../libs/judger_interfaces");
 let ioInstance;
 let detailProgressNamespace;
 let roughProgressNamespace;
@@ -223,7 +223,7 @@ function createTask(taskId) {
 exports.createTask = createTask;
 function updateCompileStatus(taskId, result) {
     winston.debug(`Updating compilation status for #${taskId}`);
-    compiledList[taskId] = { result: result.status === interfaces_1.TaskStatus.Done ? 'Submitted' : 'Compile Error' };
+    compiledList[taskId] = { result: result.status === interfaces.TaskStatus.Done ? 'Submitted' : 'Compile Error' };
     compileProgressNamespace.to(taskId.toString()).emit('finish', {
         taskId: taskId,
         result: compiledList[taskId]
@@ -261,7 +261,7 @@ function updateResult(taskId, data) {
             });
         }
     }
-    const finalResult = judgeResult_1.convertResult(taskId, data);
+    const finalResult = judgeResult.convertResult(taskId, data);
     const roughResult = {
         result: finalResult.statusString,
         time: finalResult.time,