diff --git a/server/config/index.js b/server/config/index.js
index 930821f9..531627b4 100644
--- a/server/config/index.js
+++ b/server/config/index.js
@@ -1,4 +1,5 @@
 const fs = require('fs');
+const utils = require('../core/utils');
 
 const branchFilename = __dirname + '/application_env';
 
@@ -15,4 +16,8 @@ const confFilename = __dirname + `/${branch}.js`;
 
 fs.accessSync(confFilename);
 
-module.exports = require(confFilename);
\ No newline at end of file
+const config = require(confFilename);
+
+utils.mkDirIfNotExistsSync(config.dataDir);
+
+module.exports = config;
\ No newline at end of file
diff --git a/server/config/production.js b/server/config/production.js
index f38a92bd..6a4b6883 100644
--- a/server/config/production.js
+++ b/server/config/production.js
@@ -1,7 +1,7 @@
 const path = require('path');
 const base = require('./base');
 
-const execPath = path.dirname(process.execPath);
+const execDir = path.dirname(process.execPath);
 const dataDir = `${execDir}/data`;
 
 module.exports = Object.assign({}, base, {
diff --git a/server/core/utils.js b/server/core/utils.js
index 9b20c53b..a6cb2f06 100644
--- a/server/core/utils.js
+++ b/server/core/utils.js
@@ -15,7 +15,7 @@ function statPathSync(path) {
 function mkDirIfNotExistsSync(path) {
     let exists = statPathSync(path);
     if (!exists) {
-        fs.mkdirSync(path, {recursive: true, mode: 0o755});
+        fs.mkdirSync(path, {recursive: true});
     } else if (!exists.isDirectory()) {
         throw new Error(`Not a directory: ${path}`);
     }