Fix source maps of JS file.

server.js

@@ -290,8 +290,8 @@ function buildScriptFiles(done) {
     })
     .pipe(gulp.src(path.join(projectPath, 'vendor/*.js')))
     // .pipe(gulp.dest('src/'))
-    .pipe(uglify())
     .pipe(rename({extname: '.min.js'}))
+    .pipe(uglify())
     .pipe(sourcemaps.write('.'))
     .pipe(gulp.dest(path.posix.join(projectPath, 'src')));
 }