diff --git a/src/plugins/postcss-url-parser.js b/src/plugins/postcss-url-parser.js
index 8687366b..05732cae 100644
--- a/src/plugins/postcss-url-parser.js
+++ b/src/plugins/postcss-url-parser.js
@@ -20,10 +20,7 @@ function getNodeFromUrlFunc(node) {
 function ruleValidate(rule, decl, result, options) {
   // https://www.w3.org/TR/css-syntax-3/#typedef-url-token
   if (rule.url.replace(/^[\s]+|[\s]+$/g, '').length === 0) {
-    result.warn(
-      `Unable to find uri in '${decl ? decl.toString() : decl.value}'`,
-      { node: decl }
-    );
+    result.warn(`Unable to find uri in '${decl.toString()}'`, { node: decl });
 
     return false;
   }
@@ -139,13 +136,7 @@ export default postcss.plugin(pluginName, (options) => (css, result) => {
     const replacementsMap = new Map();
     const urlToHelper = require.resolve('../runtime/getUrl.js');
 
-    let parsedResults;
-
-    try {
-      parsedResults = await walkCssAsync(css, result, options);
-    } catch (error) {
-      reject(error);
-    }
+    const parsedResults = await walkCssAsync(css, result, options);
 
     if (parsedResults.length === 0) {
       resolve();
@@ -169,9 +160,7 @@ export default postcss.plugin(pluginName, (options) => (css, result) => {
             // 'CSS_LOADER_GET_URL_IMPORT'
             order: 2,
             importName: '___CSS_LOADER_GET_URL_IMPORT___',
-            url: options.urlHandler
-              ? options.urlHandler(urlToHelper)
-              : urlToHelper,
+            url: options.urlHandler(urlToHelper),
             index,
           },
         });
@@ -236,9 +225,7 @@ export default postcss.plugin(pluginName, (options) => (css, result) => {
                 // 'CSS_LOADER_URL_IMPORT'
                 order: 3,
                 importName,
-                url: options.urlHandler
-                  ? options.urlHandler(resolvedUrl)
-                  : resolvedUrl,
+                url: options.urlHandler(resolvedUrl),
                 index: currentIndex,
               },
             });
diff --git a/test/__snapshots__/import-option.test.js.snap b/test/__snapshots__/import-option.test.js.snap
index eeb4d88b..1e5d5cbb 100644
--- a/test/__snapshots__/import-option.test.js.snap
+++ b/test/__snapshots__/import-option.test.js.snap
@@ -358,7 +358,7 @@ ___CSS_LOADER_EXPORT___.i(___CSS_LOADER_AT_RULE_IMPORT_9___);
 ___CSS_LOADER_EXPORT___.i(___CSS_LOADER_AT_RULE_IMPORT_9___);
 var ___CSS_LOADER_URL_REPLACEMENT_0___ = ___CSS_LOADER_GET_URL_IMPORT___(___CSS_LOADER_URL_IMPORT_0___);
 // Module
-___CSS_LOADER_EXPORT___.push([module.id, \\"@import url(test.css);\\\\n@import url('test.css');\\\\n@import url(\\\\\\"test.css\\\\\\");\\\\n@IMPORT url(test.css);\\\\n@import URL(test.css);\\\\n@import url(test.css );\\\\n@import url( test.css);\\\\n@import url( test.css );\\\\n@import url(\\\\n  test.css\\\\n);\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import \\\\\\"test.css\\\\\\";\\\\n@import 'test.css';\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import url(test.css) screen and (orientation:landscape);\\\\n@import url(test.css) SCREEN AND (ORIENTATION: LANDSCAPE);\\\\n@import url(test.css)screen and (orientation:landscape);\\\\n@import url(test.css)  screen and (orientation:landscape);\\\\n@import url(~package/test.css);\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n\\\\n@import url(./test.css);\\\\n\\\\n@import './te\\\\\\\\\\\\nst.css';\\\\n@import './te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css';\\\\n@import url('./te\\\\\\\\\\\\nst.css');\\\\n@import url('./te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css');\\\\n@import './test test.css';\\\\n@import url('./test test.css');\\\\n@import './test\\\\\\\\ test.css';\\\\n@import url('./test\\\\\\\\ test.css');\\\\n@import './test%20test.css';\\\\n@import url('./test%20test.css');\\\\n@import './\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import './t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import url(./test\\\\\\\\ test.css);\\\\n@import url(./t\\\\\\\\65st%20test.css);\\\\n@import url('./t\\\\\\\\65st%20test.css');\\\\n@import url(\\\\\\"./t\\\\\\\\65st%20test.css\\\\\\");\\\\n@import \\\\\\"./t\\\\\\\\65st%20test.css\\\\\\";\\\\n@import './t\\\\\\\\65st%20test.css';\\\\n@import url(                 test.css                      );\\\\n@import nourl(test.css);\\\\n/* TODO need fix */\\\\n/*@import '\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*';*/\\\\n\\", \\"\\"]);
+___CSS_LOADER_EXPORT___.push([module.id, \\"@import url(test.css);\\\\n@import url('test.css');\\\\n@import url(\\\\\\"test.css\\\\\\");\\\\n@IMPORT url(test.css);\\\\n@import URL(test.css);\\\\n@import url(test.css );\\\\n@import url( test.css);\\\\n@import url( test.css );\\\\n@import url(\\\\n  test.css\\\\n);\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import \\\\\\"test.css\\\\\\";\\\\n@import 'test.css';\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import url(test.css) screen and (orientation:landscape);\\\\n@import url(test.css) SCREEN AND (ORIENTATION: LANDSCAPE);\\\\n@import url(test.css)screen and (orientation:landscape);\\\\n@import url(test.css)  screen and (orientation:landscape);\\\\n@import url(~package/test.css);\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n\\\\n@import url(./test.css);\\\\n\\\\n@import './te\\\\\\\\\\\\nst.css';\\\\n@import './te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css';\\\\n@import url('./te\\\\\\\\\\\\nst.css');\\\\n@import url('./te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css');\\\\n@import './test test.css';\\\\n@import url('./test test.css');\\\\n@import './test\\\\\\\\ test.css';\\\\n@import url('./test\\\\\\\\ test.css');\\\\n@import './test%20test.css';\\\\n@import url('./test%20test.css');\\\\n@import './\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import './t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import url(./test\\\\\\\\ test.css);\\\\n@import url(./t\\\\\\\\65st%20test.css);\\\\n@import url('./t\\\\\\\\65st%20test.css');\\\\n@import url(\\\\\\"./t\\\\\\\\65st%20test.css\\\\\\");\\\\n@import \\\\\\"./t\\\\\\\\65st%20test.css\\\\\\";\\\\n@import './t\\\\\\\\65st%20test.css';\\\\n@import url(                 test.css                      );\\\\n@import nourl(test.css);\\\\n@import '\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\n';\\\\n\\", \\"\\"]);
 // Exports
 module.exports = ___CSS_LOADER_EXPORT___;
 "
@@ -612,11 +612,10 @@ st.css');
 @import './t\\\\65st%20test.css';
 @import url(                 test.css                      );
 @import nourl(test.css);
-/* TODO need fix */
-/*@import '\\\\*/
-/*\\\\*/
-/*\\\\*/
-/*';*/
+@import '\\\\
+\\\\
+\\\\
+';
 ",
     "",
   ],
@@ -632,6 +631,13 @@ Warning
   "ModuleWarning: Module Warning (from \`replaced original path\`):
 Warning
 
+(106:1) Unable to find uri in \\"@import '\\\\
+\\\\
+\\\\
+'\\"",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
 (12:1) Unable to find uri in \\"@import url()\\"",
   "ModuleWarning: Module Warning (from \`replaced original path\`):
 Warning
@@ -771,7 +777,7 @@ ___CSS_LOADER_EXPORT___.i(___CSS_LOADER_AT_RULE_IMPORT_12___);
 ___CSS_LOADER_EXPORT___.i(___CSS_LOADER_AT_RULE_IMPORT_0___);
 var ___CSS_LOADER_URL_REPLACEMENT_0___ = ___CSS_LOADER_GET_URL_IMPORT___(___CSS_LOADER_URL_IMPORT_0___);
 // Module
-___CSS_LOADER_EXPORT___.push([module.id, \\"@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n@import nourl(test.css);\\\\n/* TODO need fix */\\\\n/*@import '\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*';*/\\\\n\\", \\"\\"]);
+___CSS_LOADER_EXPORT___.push([module.id, \\"@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n@import nourl(test.css);\\\\n@import '\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\n';\\\\n\\", \\"\\"]);
 // Exports
 module.exports = ___CSS_LOADER_EXPORT___;
 "
@@ -1279,11 +1285,10 @@ Array [
   background: url(/webpack/public/path/img.png);
 }
 @import nourl(test.css);
-/* TODO need fix */
-/*@import '\\\\*/
-/*\\\\*/
-/*\\\\*/
-/*';*/
+@import '\\\\
+\\\\
+\\\\
+';
 ",
     "",
   ],
@@ -1299,6 +1304,13 @@ Warning
   "ModuleWarning: Module Warning (from \`replaced original path\`):
 Warning
 
+(106:1) Unable to find uri in \\"@import '\\\\
+\\\\
+\\\\
+'\\"",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
 (12:1) Unable to find uri in \\"@import url()\\"",
   "ModuleWarning: Module Warning (from \`replaced original path\`):
 Warning
@@ -1362,7 +1374,7 @@ var ___CSS_LOADER_URL_IMPORT_0___ = require(\\"./img.png\\");
 ___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(false);
 var ___CSS_LOADER_URL_REPLACEMENT_0___ = ___CSS_LOADER_GET_URL_IMPORT___(___CSS_LOADER_URL_IMPORT_0___);
 // Module
-___CSS_LOADER_EXPORT___.push([module.id, \\"@import url(test.css);\\\\n@import url('test.css');\\\\n@import url(\\\\\\"test.css\\\\\\");\\\\n@IMPORT url(test.css);\\\\n@import URL(test.css);\\\\n@import url(test.css );\\\\n@import url( test.css);\\\\n@import url( test.css );\\\\n@import url(\\\\n  test.css\\\\n);\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import \\\\\\"test.css\\\\\\";\\\\n@import 'test.css';\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import url(test.css) screen and (orientation:landscape);\\\\n@import url(test.css) SCREEN AND (ORIENTATION: LANDSCAPE);\\\\n@import url(test.css)screen and (orientation:landscape);\\\\n@import url(test.css)  screen and (orientation:landscape);\\\\n@import url(test-media.css) screen and (orientation:landscape);\\\\n@import url(test-other.css) (min-width: 100px);\\\\n@import url(http://example.com/style.css);\\\\n@import url(http://example.com/style.css);\\\\n@import url(http://example.com/style.css#hash);\\\\n@import url(http://example.com/style.css?#hash);\\\\n@import url(http://example.com/style.css?foo=bar#hash);\\\\n@import url(http://example.com/other-style.css) screen and (orientation:landscape);\\\\n@import url(http://example.com/other-style.css) screen and (orientation:landscape);\\\\n@import url(\\\\\\"//example.com/style.css\\\\\\");\\\\n@import url(~package/test.css);\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n@import url('query.css?foo=1&bar=1');\\\\n@import url('other-query.css?foo=1&bar=1#hash');\\\\n@import url('other-query.css?foo=1&bar=1#hash') screen and (orientation:landscape);\\\\n@import url('https://fonts.googleapis.com/css?family=Roboto');\\\\n@import url('https://fonts.googleapis.com/css?family=Noto+Sans+TC');\\\\n@import url('https://fonts.googleapis.com/css?family=Noto+Sans+TC|Roboto');\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n@import url('./relative.css');\\\\n@import url('../import/top-relative.css');\\\\n@import url(~package/tilde.css);\\\\n@import url(~aliasesImport/alias.css);\\\\n@import url('./url.css');\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n\\\\n@import url(./test.css);\\\\n\\\\n@import './te\\\\\\\\\\\\nst.css';\\\\n@import './te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css';\\\\n@import url('./te\\\\\\\\\\\\nst.css');\\\\n@import url('./te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css');\\\\n\\\\n@import \\\\\\"./te'st.css\\\\\\";\\\\n@import url(\\\\\\"./te'st.css\\\\\\");\\\\n@import './te\\\\\\\\'st.css';\\\\n@import url('./te\\\\\\\\'st.css');\\\\n@import './test test.css';\\\\n@import url('./test test.css');\\\\n@import './test\\\\\\\\ test.css';\\\\n@import url('./test\\\\\\\\ test.css');\\\\n@import './test%20test.css';\\\\n@import url('./test%20test.css');\\\\n@import './\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import './t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import url(./test\\\\\\\\ test.css);\\\\n@import url(./t\\\\\\\\65st%20test.css);\\\\n@import url('./t\\\\\\\\65st%20test.css');\\\\n@import url(\\\\\\"./t\\\\\\\\65st%20test.css\\\\\\");\\\\n@import \\\\\\"./t\\\\\\\\65st%20test.css\\\\\\";\\\\n@import './t\\\\\\\\65st%20test.css';\\\\n@import url(                 test.css                      );\\\\n@import nourl(test.css);\\\\n/* TODO need fix */\\\\n/*@import '\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*';*/\\\\n\\", \\"\\"]);
+___CSS_LOADER_EXPORT___.push([module.id, \\"@import url(test.css);\\\\n@import url('test.css');\\\\n@import url(\\\\\\"test.css\\\\\\");\\\\n@IMPORT url(test.css);\\\\n@import URL(test.css);\\\\n@import url(test.css );\\\\n@import url( test.css);\\\\n@import url( test.css );\\\\n@import url(\\\\n  test.css\\\\n);\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import \\\\\\"test.css\\\\\\";\\\\n@import 'test.css';\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import url(test.css) screen and (orientation:landscape);\\\\n@import url(test.css) SCREEN AND (ORIENTATION: LANDSCAPE);\\\\n@import url(test.css)screen and (orientation:landscape);\\\\n@import url(test.css)  screen and (orientation:landscape);\\\\n@import url(test-media.css) screen and (orientation:landscape);\\\\n@import url(test-other.css) (min-width: 100px);\\\\n@import url(http://example.com/style.css);\\\\n@import url(http://example.com/style.css);\\\\n@import url(http://example.com/style.css#hash);\\\\n@import url(http://example.com/style.css?#hash);\\\\n@import url(http://example.com/style.css?foo=bar#hash);\\\\n@import url(http://example.com/other-style.css) screen and (orientation:landscape);\\\\n@import url(http://example.com/other-style.css) screen and (orientation:landscape);\\\\n@import url(\\\\\\"//example.com/style.css\\\\\\");\\\\n@import url(~package/test.css);\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n@import url('query.css?foo=1&bar=1');\\\\n@import url('other-query.css?foo=1&bar=1#hash');\\\\n@import url('other-query.css?foo=1&bar=1#hash') screen and (orientation:landscape);\\\\n@import url('https://fonts.googleapis.com/css?family=Roboto');\\\\n@import url('https://fonts.googleapis.com/css?family=Noto+Sans+TC');\\\\n@import url('https://fonts.googleapis.com/css?family=Noto+Sans+TC|Roboto');\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n@import url('./relative.css');\\\\n@import url('../import/top-relative.css');\\\\n@import url(~package/tilde.css);\\\\n@import url(~aliasesImport/alias.css);\\\\n@import url('./url.css');\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n\\\\n@import url(./test.css);\\\\n\\\\n@import './te\\\\\\\\\\\\nst.css';\\\\n@import './te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css';\\\\n@import url('./te\\\\\\\\\\\\nst.css');\\\\n@import url('./te\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\nst.css');\\\\n\\\\n@import \\\\\\"./te'st.css\\\\\\";\\\\n@import url(\\\\\\"./te'st.css\\\\\\");\\\\n@import './te\\\\\\\\'st.css';\\\\n@import url('./te\\\\\\\\'st.css');\\\\n@import './test test.css';\\\\n@import url('./test test.css');\\\\n@import './test\\\\\\\\ test.css';\\\\n@import url('./test\\\\\\\\ test.css');\\\\n@import './test%20test.css';\\\\n@import url('./test%20test.css');\\\\n@import './\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./\\\\\\\\74\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import './t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css';\\\\n@import url('./t\\\\\\\\65\\\\\\\\73\\\\\\\\74.css');\\\\n@import url(./test\\\\\\\\ test.css);\\\\n@import url(./t\\\\\\\\65st%20test.css);\\\\n@import url('./t\\\\\\\\65st%20test.css');\\\\n@import url(\\\\\\"./t\\\\\\\\65st%20test.css\\\\\\");\\\\n@import \\\\\\"./t\\\\\\\\65st%20test.css\\\\\\";\\\\n@import './t\\\\\\\\65st%20test.css';\\\\n@import url(                 test.css                      );\\\\n@import nourl(test.css);\\\\n@import '\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\n';\\\\n\\", \\"\\"]);
 // Exports
 module.exports = ___CSS_LOADER_EXPORT___;
 "
@@ -1477,11 +1489,10 @@ st.css');
 @import './t\\\\65st%20test.css';
 @import url(                 test.css                      );
 @import nourl(test.css);
-/* TODO need fix */
-/*@import '\\\\*/
-/*\\\\*/
-/*\\\\*/
-/*';*/
+@import '\\\\
+\\\\
+\\\\
+';
 ",
     "",
   ],
@@ -1576,7 +1587,7 @@ ___CSS_LOADER_EXPORT___.i(___CSS_LOADER_AT_RULE_IMPORT_12___);
 ___CSS_LOADER_EXPORT___.i(___CSS_LOADER_AT_RULE_IMPORT_0___);
 var ___CSS_LOADER_URL_REPLACEMENT_0___ = ___CSS_LOADER_GET_URL_IMPORT___(___CSS_LOADER_URL_IMPORT_0___);
 // Module
-___CSS_LOADER_EXPORT___.push([module.id, \\"@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n@import nourl(test.css);\\\\n/* TODO need fix */\\\\n/*@import '\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*\\\\\\\\*/\\\\n/*';*/\\\\n\\", \\"\\"]);
+___CSS_LOADER_EXPORT___.push([module.id, \\"@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import '';\\\\n@import \\\\\\"\\\\\\";\\\\n@import \\\\\\"   \\\\\\";\\\\n@import \\\\\\"\\\\n\\\\\\";\\\\n@import url();\\\\n@import url('');\\\\n@import url(\\\\\\"\\\\\\");\\\\n@import ;\\\\n@import foo-bar;\\\\n@import-normalize;\\\\n@import url('http://') :root {}\\\\n\\\\n.class {\\\\n  a: b c d;\\\\n}\\\\n\\\\n.foo {\\\\n  @import 'path.css';\\\\n}\\\\n\\\\n.background {\\\\n  background: url(\\" + ___CSS_LOADER_URL_REPLACEMENT_0___ + \\");\\\\n}\\\\n@import nourl(test.css);\\\\n@import '\\\\\\\\\\\\n\\\\\\\\\\\\n\\\\\\\\\\\\n';\\\\n\\", \\"\\"]);
 // Exports
 module.exports = ___CSS_LOADER_EXPORT___;
 "
@@ -2084,11 +2095,10 @@ Array [
   background: url(/webpack/public/path/img.png);
 }
 @import nourl(test.css);
-/* TODO need fix */
-/*@import '\\\\*/
-/*\\\\*/
-/*\\\\*/
-/*';*/
+@import '\\\\
+\\\\
+\\\\
+';
 ",
     "",
   ],
@@ -2104,6 +2114,13 @@ Warning
   "ModuleWarning: Module Warning (from \`replaced original path\`):
 Warning
 
+(106:1) Unable to find uri in \\"@import '\\\\
+\\\\
+\\\\
+'\\"",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
 (12:1) Unable to find uri in \\"@import url()\\"",
   "ModuleWarning: Module Warning (from \`replaced original path\`):
 Warning
diff --git a/test/__snapshots__/sourceMap-option.test.js.snap b/test/__snapshots__/sourceMap-option.test.js.snap
index 363113b8..365cff0a 100644
--- a/test/__snapshots__/sourceMap-option.test.js.snap
+++ b/test/__snapshots__/sourceMap-option.test.js.snap
@@ -477,6 +477,81 @@ Array [
 
 exports[`"sourceMap" option true should generate source maps when source maps equal to "undefined" from an other loader: warnings 1`] = `Array []`;
 
+exports[`"sourceMap" option true should generate source maps when source maps is valid and is set sourceRoot: errors 1`] = `Array []`;
+
+exports[`"sourceMap" option true should generate source maps when source maps is valid and is set sourceRoot: module 1`] = `
+"// Imports
+var ___CSS_LOADER_API_IMPORT___ = require(\\"../../../src/runtime/api.js\\");
+var ___CSS_LOADER_AT_RULE_IMPORT_0___ = require(\\"-!../../../src/index.js??[ident]!./nested/nested.css\\");
+___CSS_LOADER_EXPORT___ = ___CSS_LOADER_API_IMPORT___(true);
+___CSS_LOADER_EXPORT___.i(___CSS_LOADER_AT_RULE_IMPORT_0___);
+// Module
+___CSS_LOADER_EXPORT___.push([module.id, \\".class {\\\\n  color: red;\\\\n}\\\\n\\", \\"\\",{\\"version\\":3,\\"sources\\":[\\"/fixtures/source-map/basic.css\\",\\"basic.css\\"],\\"names\\":[],\\"mappings\\":\\"AAEA;ECCE,UAAU;AACZ\\",\\"file\\":\\"basic.css\\",\\"sourcesContent\\":[\\".class {\\\\n  color: red;\\\\n}\\\\n\\",\\"@import \\\\\\"./nested/nested.css\\\\\\";\\\\n\\\\n.class {\\\\n  color: red;\\\\n}\\\\n\\"]}]);
+// Exports
+module.exports = ___CSS_LOADER_EXPORT___;
+"
+`;
+
+exports[`"sourceMap" option true should generate source maps when source maps is valid and is set sourceRoot: result 1`] = `
+Array [
+  Array [
+    "../../src/index.js?[ident]!./source-map/nested/nested.css",
+    ".nested {
+  color: blue;
+}
+",
+    "",
+    Object {
+      "file": "nested.css",
+      "mappings": "AAAA;EACE,WAAW;AACb",
+      "names": Array [],
+      "sources": Array [
+        "nested.css",
+      ],
+      "sourcesContent": Array [
+        ".nested {
+  color: blue;
+}
+",
+      ],
+      "version": 3,
+    },
+  ],
+  Array [
+    "./source-map/basic.css",
+    ".class {
+  color: red;
+}
+",
+    "",
+    Object {
+      "file": "basic.css",
+      "mappings": "AAEA;ECCE,UAAU;AACZ",
+      "names": Array [],
+      "sources": Array [
+        "/fixtures/source-map/basic.css",
+        "basic.css",
+      ],
+      "sourcesContent": Array [
+        ".class {
+  color: red;
+}
+",
+        "@import \\"./nested/nested.css\\";
+
+.class {
+  color: red;
+}
+",
+      ],
+      "version": 3,
+    },
+  ],
+]
+`;
+
+exports[`"sourceMap" option true should generate source maps when source maps is valid and is set sourceRoot: warnings 1`] = `Array []`;
+
 exports[`"sourceMap" option true should generate source maps when source maps is valid and string from an other loader: errors 1`] = `Array []`;
 
 exports[`"sourceMap" option true should generate source maps when source maps is valid and string from an other loader: module 1`] = `
diff --git a/test/fixtures/import/import.css b/test/fixtures/import/import.css
index 6e9d44b5..87f018e4 100644
--- a/test/fixtures/import/import.css
+++ b/test/fixtures/import/import.css
@@ -103,8 +103,7 @@ st.css');
 @import './t\65st%20test.css';
 @import url(                 test.css                      );
 @import nourl(test.css);
-/* TODO need fix */
-/*@import '\*/
-/*\*/
-/*\*/
-/*';*/
+@import '\
+\
+\
+';
diff --git a/test/helpers/normalizeErrors.js b/test/helpers/normalizeErrors.js
index 5660a66a..56fabce8 100644
--- a/test/helpers/normalizeErrors.js
+++ b/test/helpers/normalizeErrors.js
@@ -5,6 +5,17 @@ function removeCWD(str) {
   let cwd = process.cwd();
 
   if (isWin) {
+    if (str.split('\n').length > 3) {
+      // @import '\
+      // \
+      // \
+      // ';
+
+      return stripAnsi(str)
+        .replace(/\(from .*?\)/, '(from `replaced original path`)')
+        .replace(new RegExp(cwd, 'g'), '');
+    }
+
     // eslint-disable-next-line no-param-reassign
     str = str.replace(/\\/g, '/');
     // eslint-disable-next-line no-param-reassign
diff --git a/test/sourceMap-option.test.js b/test/sourceMap-option.test.js
index 05c51bb3..cef0cf67 100644
--- a/test/sourceMap-option.test.js
+++ b/test/sourceMap-option.test.js
@@ -193,6 +193,56 @@ describe('"sourceMap" option', () => {
       expect(getErrors(stats)).toMatchSnapshot('errors');
     });
 
+    it('should generate source maps when source maps is valid and is set sourceRoot', async () => {
+      const compiler = getCompiler(
+        './source-map/basic.js',
+        {},
+        {
+          module: {
+            rules: [
+              {
+                test: /\.css$/i,
+                use: [
+                  {
+                    loader: path.resolve(__dirname, '../src'),
+                    options: { sourceMap: true },
+                  },
+                  {
+                    loader: path.resolve(
+                      __dirname,
+                      './fixtures/source-map-loader.js'
+                    ),
+                    options: {
+                      sourceMap: JSON.stringify({
+                        foo: 'bar',
+                        version: 3,
+                        sources: ['basic.css'],
+                        sourceRoot: '/fixtures/source-map',
+                        names: [],
+                        mappings: 'AAAA;EACE,UAAU;AACZ',
+                        file: 'basic.css',
+                        sourcesContent: ['.class {\n  color: red;\n}\n'],
+                      }),
+                    },
+                  },
+                ],
+              },
+            ],
+          },
+        }
+      );
+      const stats = await compile(compiler);
+
+      expect(getModuleSource('./source-map/basic.css', stats)).toMatchSnapshot(
+        'module'
+      );
+      expect(
+        getExecutedCode('main.bundle.js', compiler, stats)
+      ).toMatchSnapshot('result');
+      expect(getWarnings(stats)).toMatchSnapshot('warnings');
+      expect(getErrors(stats)).toMatchSnapshot('errors');
+    });
+
     it('should generate source maps when source maps is valid from an other loader (`postcss-loader`)', async () => {
       const compiler = getCompiler(
         './source-map/basic-postcss.js',