diff --git a/build/webpack.prod.conf.js b/build/webpack.prod.conf.js
index 9b20a51b..cf50e0c9 100644
--- a/build/webpack.prod.conf.js
+++ b/build/webpack.prod.conf.js
@@ -9,7 +9,7 @@ var HtmlWebpackPlugin = require('html-webpack-plugin')
 var ExtractTextPlugin = require('extract-text-webpack-plugin')
 var OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
 
-var env = config.build[process.env.config_env+'Env']
+var env = config.build[process.env.env_config+'Env']
 
 function resolveApp(relativePath) {
   return path.resolve(relativePath);
diff --git a/config/index.js b/config/index.js
index 581d53a3..c38e0b84 100644
--- a/config/index.js
+++ b/config/index.js
@@ -3,37 +3,37 @@ var path = require('path')
 
 module.exports = {
     build: {
-        sitEnv: require('./sit.env'),
-        prodEnv: require('./prod.env'),
-        index: path.resolve(__dirname, '../dist/index.html'),
-        assetsRoot: path.resolve(__dirname, '../dist'),
-        assetsSubDirectory: 'static',
-        assetsPublicPath: './',          //请根据自己路径配置更改
-        productionSourceMap: false,
-        // Gzip off by default as many popular static hosts such as
-        // Surge or Netlify already gzip all static assets for you.
-        // Before setting to `true`, make sure to:
-        // npm install --save-dev compression-webpack-plugin
-        productionGzip: false,
-        productionGzipExtensions: ['js', 'css'],
-        // Run the build command with an extra argument to
-        // View the bundle analyzer report after build finishes:
-        // `npm run build --report`
-        // Set to `true` or `false` to always turn it on or off
-        bundleAnalyzerReport: process.env.npm_config_report
+			sitEnv: require('./sit.env'),
+			prodEnv: require('./prod.env'),
+			index: path.resolve(__dirname, '../dist/index.html'),
+			assetsRoot: path.resolve(__dirname, '../dist'),
+			assetsSubDirectory: 'static',
+			assetsPublicPath: './',          //请根据自己路径配置更改
+			productionSourceMap: false,
+			// Gzip off by default as many popular static hosts such as
+			// Surge or Netlify already gzip all static assets for you.
+			// Before setting to `true`, make sure to:
+			// npm install --save-dev compression-webpack-plugin
+			productionGzip: false,
+			productionGzipExtensions: ['js', 'css'],
+			// Run the build command with an extra argument to
+			// View the bundle analyzer report after build finishes:
+			// `npm run build --report`
+			// Set to `true` or `false` to always turn it on or off
+			bundleAnalyzerReport: process.env.npm_config_report
     },
     dev: {
-        env: require('./dev.env'),
-        port: 9527,
-        autoOpenBrowser: true,
-        assetsSubDirectory: 'static',
-        assetsPublicPath: '/',
-        proxyTable: {},
-        // CSS Sourcemaps off by default because relative paths are "buggy"
-        // with this option, according to the CSS-Loader README
-        // (https://github.com/webpack/css-loader#sourcemaps)
-        // In our experience, they generally work as expected,
-        // just be aware of this issue when enabling this option.
-        cssSourceMap: false
+			env: require('./dev.env'),
+			port: 9527,
+			autoOpenBrowser: true,
+			assetsSubDirectory: 'static',
+			assetsPublicPath: '/',
+			proxyTable: {},
+			// CSS Sourcemaps off by default because relative paths are "buggy"
+			// with this option, according to the CSS-Loader README
+			// (https://github.com/webpack/css-loader#sourcemaps)
+			// In our experience, they generally work as expected,
+			// just be aware of this issue when enabling this option.
+			cssSourceMap: false
     }
 }
diff --git a/config/prod.env.js b/config/prod.env.js
index 5cc5b18c..511b341a 100644
--- a/config/prod.env.js
+++ b/config/prod.env.js
@@ -1,6 +1,6 @@
 module.exports = {
     NODE_ENV: '"production"',
-    ENV_MODE: '"prod"',
+    ENV_CONFIG: '"prod"',
     BASE_API: '"https://api-prod"',
     APP_ORIGIN: '"https://wallstreetcn.com"'
 };
diff --git a/package.json b/package.json
index 7d075335..01d8f376 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "dev": "node build/dev-server.js",
     "build:prod": "cross-env NODE_ENV=production env_config=prod node build/build.js",
     "build:sit": "cross-env NODE_ENV=production env_config=sit node build/build.js",
-    "build:sit-preview": "cross-env NODE_ENV=sit env_config=sit npm_config_preview=true  npm_config_report=true node build/build.js",
+    "build:sit-preview": "cross-env NODE_ENV=production env_config=sit npm_config_preview=true  npm_config_report=true node build/build.js",
     "lint": "eslint --ext .js,.vue src"
   },
   "dependencies": {