diff --git a/lib/processor/css-compressor.js b/lib/processor/css-compressor.js
index c2eddc0..81dbcf0 100644
--- a/lib/processor/css-compressor.js
+++ b/lib/processor/css-compressor.js
@@ -51,7 +51,12 @@ CssCompressor.prototype.isExclude = function( file ) {
  */
 CssCompressor.prototype.process = function ( file, processContext, callback ) {
     var compressOptions = this.compressOptions;
-    var options = {};
+    var options = {
+        // 可能存在bug，因此禁用优化的功能.
+        // https://github.com/ecomfe/edp/issues/190
+        noAdvanced: true,
+        keepBreaks: true
+    };
 
     // clone compressOptions
     for ( var key in compressOptions ) {
diff --git a/package.json b/package.json
index c2f4a77..2e15187 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "escodegen": "~1.2.0",
     "estraverse": "~1.5.0",
     "uglify-js": "~2.4.12",
-    "clean-css": "~2.1.0",
+    "clean-css": "~2.1.6",
     "iconv-lite": "~0.2.11",
     "html2js": "~0.0.2",
     "stylus": "~0.42.2"