diff --git a/Gruntfile.js b/Gruntfile.js
index 577578c54..5154dbf59 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -106,7 +106,7 @@ module.exports = function (grunt) {
             },
 
             bundleJs: {
-                src: ["dist/core.js", "dist/fix/fix.js", "dist/base.js", "dist/case.js", "dist/widget.js", "dist/fix/fix.compact.js", "dist/router.js", "public/js/**/*.js", "public/js/index.js", "i18n/i18n.cn.js", "dist/fineui.typescript.js"],
+                src: ["dist/core.js", "dist/fix/fix.js", "dist/base.js", "dist/case.js", "dist/widget.js", "dist/fix/fix.compact.js", "dist/router.js", "public/js/**/*.js", "public/js/index.js", "i18n/i18n.cn.js"],
                 dest: "dist/bundle.js",
             },
 
@@ -116,7 +116,7 @@ module.exports = function (grunt) {
             },
 
             bundleIEJs: {
-                src: ["dist/core.js", "dist/fix/fix.ie.js", "dist/base.js", "dist/case.js", "dist/widget.js", "dist/fix/fix.compact.ie.js", "dist/router.js", "public/js/**/*.js", "public/js/index.js", "i18n/i18n.cn.js", "dist/fineui.typescript.ie8.js"],
+                src: ["dist/core.js", "dist/fix/fix.ie.js", "dist/base.js", "dist/case.js", "dist/widget.js", "dist/fix/fix.compact.ie.js", "dist/router.js", "public/js/**/*.js", "public/js/index.js", "i18n/i18n.cn.js"],
                 dest: "dist/bundle.ie.js"
             },
 
@@ -137,13 +137,13 @@ module.exports = function (grunt) {
 
             fineuiJs: {
                 src: ["dist/polyfill.js", "dist/core.js", "dist/fix/fix.js", "dist/base.js",
-                    "dist/case.js", "dist/widget.js", "dist/router.js", "dist/fix/fix.compact.js", "ui/js/**/*.js", "dist/fineui.typescript.js"],
+                    "dist/case.js", "dist/widget.js", "dist/router.js", "dist/fix/fix.compact.js", "ui/js/**/*.js"],
                 dest: "dist/fineui.js"
             },
 
             fineuiIEJs: {
                 src: ["dist/polyfill.js", "dist/core.js", "dist/fix/fix.ie.js", "dist/base.js",
-                    "dist/case.js", "dist/widget.js", "dist/router.js", "dist/fix/fix.compact.ie.js", "ui/js/**/*.js", "dist/fineui.typescript.ie.js"],
+                    "dist/case.js", "dist/widget.js", "dist/router.js", "dist/fix/fix.compact.ie.js", "ui/js/**/*.js"],
                 dest: "dist/fineui.ie.js"
             },
 
@@ -274,6 +274,7 @@ module.exports = function (grunt) {
                 banner: "/*! <%= pkg.name %> <%= grunt.template.today(\"yyyy-mm-dd HH:MM:ss\") %> */\n",
                 mangle: false,
                 sourceMap: true,
+                sourceMapIncludeSources: true,
                 compress: {
                     unused: false,
                 },
diff --git a/lib/postbuild/postbuild.js b/lib/postbuild/postbuild.js
new file mode 100644
index 000000000..98dcad2d7
--- /dev/null
+++ b/lib/postbuild/postbuild.js
@@ -0,0 +1,36 @@
+const Concat = require("concat-with-sourcemaps");
+const { resolve } = require("path");
+const fs = require("fs");
+
+function unionJs(filenames) {
+    const filename = filenames[0];
+
+    var concat = new Concat(true, filename, "\n");
+
+    filenames.forEach(filename => {
+        concat.add(
+            filename,
+            fs.readFileSync(resolve(__dirname, `../../dist/${filename}`)),
+            fs.readFileSync(resolve(__dirname, `../../dist/${filename}.map`)).toString()
+        );
+    });
+
+    concat.add(null, `//# sourceMappingURL=${filename}.map`);
+    
+    var concatenatedContent = concat.content;
+    var sourceMapForContent = concat.sourceMap;
+    
+    fs.writeFileSync(resolve(__dirname, "../../dist", filename), concatenatedContent, {
+        encoding: "utf8",
+    });
+    
+    fs.writeFileSync(resolve(__dirname, "../../dist", `${filename}.map`), sourceMapForContent, {
+        encoding: "utf8",
+    });
+}
+
+unionJs(["bundle.min.js", "fineui.typescript.js"]);
+unionJs(["bundle.ie.min.js", "fineui.typescript.ie.js"]);
+unionJs(["fineui.min.js", "fineui.typescript.js"]);
+unionJs(["fineui.ie.min.js", "fineui.typescript.ie.js"]);
+// unionJs(["bundle.min.js", "fineui.typescript.js"]);
diff --git a/package.json b/package.json
index 4436fc2ec..cdb813eb8 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "autoprefixer": "9.6.1",
     "babel-loader": "8.0.6",
     "chai": "4.2.0",
+    "concat-with-sourcemaps": "1.1.0",
     "core-js": "3.3.2",
     "cross-env": "6.0.0",
     "css-loader": "3.0.0",
@@ -68,6 +69,7 @@
     "webpack:prod:ie8": "cross-env BROWSER_VERSION=ie8 webpack -p --progress --config=webpack/webpack.prod.js --mode production",
     "start": "node server.js",
     "build": "npm run webpack:prod && npm run webpack:prod:ie8 && grunt build",
+    "postbuild": "node ./lib/postbuild/postbuild.js",
     "compile": "grunt compile",
     "fake": "grunt fake-build",
     "test": "karma start",
diff --git a/yarn.lock b/yarn.lock
index ae0bf0ee8..e4ba0ee6a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1852,6 +1852,12 @@ concat-stream@^1.4.1, concat-stream@^1.5.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concat-with-sourcemaps@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/concat-with-sourcemaps/-/concat-with-sourcemaps-1.1.0.tgz#d4ea93f05ae25790951b99e7b3b09e3908a4082e"
+  dependencies:
+    source-map "^0.6.1"
+
 connect-history-api-fallback@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/connect-history-api-fallback/-/connect-history-api-fallback-1.6.0.tgz#8b32089359308d111115d81cad3fceab888f97bc"