diff --git a/packages/mars-build/package.json b/packages/mars-build/package.json
index b12a64ba..ed970ed1 100644
--- a/packages/mars-build/package.json
+++ b/packages/mars-build/package.json
@@ -26,6 +26,7 @@
         "node-sass": "^4.11.0",
         "postcss": "^7.0.14",
         "postcss-px2units": "^0.2.0",
+        "slash": "^3.0.0",
         "stylus": "^0.54.5",
         "through2": "^3.0.0",
         "vinyl": "^2.2.0",
diff --git a/packages/mars-build/src/gulp-mars-base.js b/packages/mars-build/src/gulp-mars-base.js
index a791ae87..6c28ae9b 100644
--- a/packages/mars-build/src/gulp-mars-base.js
+++ b/packages/mars-build/src/gulp-mars-base.js
@@ -12,6 +12,7 @@ const PluginError = gutil.PluginError;
 const PLUGIN_NAME = 'gulp-mars';
 const path = require('path');
 const mkdirp = require('mkdirp');
+const slash = require('slash');
 
 const {parse: sfcParser} = require('./compiler/sfc/parser');
 const {compile: sfcCompiler} = require('./compiler/sfc/compiler');
@@ -28,7 +29,7 @@ function compile(file, opt, compilers) {
         }
     } = opt;
     const rPath = path.relative(file.base, file.path);
-    const fPath = path.resolve(file.cwd, opt.dest, rPath).replace(/\.vue$/, '');
+    const fPath = slash(path.resolve(file.cwd, opt.dest, rPath).replace(/\.vue$/, ''));
     const baseName = path.basename(fPath);
 
     let coreRelativePath = path.join(
@@ -39,7 +40,7 @@ function compile(file, opt, compilers) {
         opt.coreDir || 'common'
     );
     coreRelativePath = coreRelativePath[0] === '.' ? coreRelativePath : './' + coreRelativePath;
-    coreRelativePath = coreRelativePath + `/${target}/index`;
+    coreRelativePath = slash(coreRelativePath + `/${target}/index`);
 
     try {
         const dirPath = fPath.replace(/[^/]+$/, '');