diff --git a/Gruntfile.js b/Gruntfile.js
index d33b81b10..8b8a58b8b 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -170,7 +170,7 @@ module.exports = function(grunt) {
                 options: {
                     banner: '"use strict";\n\n',
                     process: function(src, filepath) {
-                        return "// " + filepath + "\n" +
+                        return "// " + filepath + "\r\n\r\n" +
                             src.replace(/(^|\n)[ \t]*(['"])use strict\2;?\s*/g, '$1').replace(/[ \t]*if\s*\(typeof\s+(module|APP_PCJS)\s*!==\s*(['"])undefined\2\)\s*(\{[^}]*}|[^\n]*)(\n|$)/g, '');
                     }
                 }
@@ -181,7 +181,7 @@ module.exports = function(grunt) {
                 options: {
                     banner: '"use strict";\n\n',
                     process: function(src, filepath) {
-                        return "// " + filepath + "\n" +
+                        return "// " + filepath + "\r\n\r\n" +
                             src.replace(/(^|\n)[ \t]*(['"])use strict\2;?\s*/g, '$1').replace(/[ \t]*if\s*\(typeof\s+(module|APP_PCJS)\s*!==\s*(['"])undefined\2\)\s*(\{[^}]*}|[^\n]*)(\n|$)/g, '');
                     }
                 }