diff --git a/packages/core/src/plugins/EntryChunkPlugin.ts b/packages/core/src/plugins/EntryChunkPlugin.ts
index 62b53f09..b5aa00c3 100644
--- a/packages/core/src/plugins/EntryChunkPlugin.ts
+++ b/packages/core/src/plugins/EntryChunkPlugin.ts
@@ -74,6 +74,8 @@ class EntryChunkPlugin {
           encoding: 'utf-8',
         });
 
+        console.log('🥵', content.includes('\n'), content.includes('\r\n'));
+
         // Shebang
         if (content.startsWith(SHEBANG_PREFIX)) {
           const shebangMatch = matchFirstLine(content, SHEBANG_REGEX);
@@ -118,6 +120,12 @@ class EntryChunkPlugin {
         for (const name of chunkAsset) {
           compilation.updateAsset(name, (old) => {
             const oldSource = old.source().toString();
+            console.log(
+              '🤡',
+              oldSource.includes('\n'),
+              oldSource.includes('\r\n'),
+            );
+
             const replaceSource = new rspack.sources.ReplaceSource(old);
             if (
               oldSource.startsWith('use strict;') ||
@@ -126,7 +134,7 @@ class EntryChunkPlugin {
               replaceSource.replace(
                 0,
                 11, // 'use strict;'.length,
-                `"use strict";${os.EOL}${importMetaUrlShim}`,
+                `"use strict";\n${importMetaUrlShim}`,
               );
             } else {
               replaceSource.insert(0, importMetaUrlShim);
@@ -154,13 +162,13 @@ class EntryChunkPlugin {
                 const replaceSource = new rspack.sources.ReplaceSource(old);
                 // Shebang
                 if (shebangValue) {
-                  replaceSource.insert(0, `${shebangValue}${os.EOL}`);
+                  replaceSource.insert(0, `${shebangValue}\n`);
                   this.shebangInjectedAssets.add(name);
                 }
 
                 // React directives
                 if (reactDirectiveValue) {
-                  replaceSource.insert(0, `${reactDirectiveValue}${os.EOL}`);
+                  replaceSource.insert(0, `${reactDirectiveValue}\n`);
                 }
 
                 return replaceSource;
diff --git a/packages/core/src/plugins/entryModuleLoader.ts b/packages/core/src/plugins/entryModuleLoader.ts
index 0c1089ed..7ea0fa3c 100644
--- a/packages/core/src/plugins/entryModuleLoader.ts
+++ b/packages/core/src/plugins/entryModuleLoader.ts
@@ -10,14 +10,16 @@ const loader: LoaderDefinition = function loader(source) {
   let result = source;
 
   if (this.resourceQuery === `?${RSLIB_ENTRY_QUERY}`) {
-    const [firstLine1, ...rest1] = result.split(os.EOL).slice(1);
+    console.log('👝', source.includes('\n'), source.includes('\r\n'));
+    const [firstLine1, ...rest1] = result.split(os.EOL);
+
     if (SHEBANG_REGEX.test(firstLine1!)) {
-      result = rest1.join(os.EOL);
+      result = rest1.join('\n');
     }
 
     const [firstLine2, ...rest2] = result.split(os.EOL);
     if (REACT_DIRECTIVE_REGEX.test(firstLine2!)) {
-      result = rest2.join(os.EOL);
+      result = rest2.join('\n');
     }
   }
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0c66221b..7b00ed90 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -522,7 +522,10 @@ importers:
 
   tests/integration/define: {}
 
-<<<<<<< HEAD
+  tests/integration/directive/react/bundleless: {}
+
+  tests/integration/directive/shebang: {}
+
   tests/integration/dts/build/__references__: {}
 
   tests/integration/dts/build/abort-on-error: {}
@@ -534,15 +537,6 @@ importers:
   tests/integration/dts/build/process-files: {}
 
   tests/integration/dts/build/tsconfig: {}
-=======
-  tests/integration/directive/react/bundleless: {}
-
-<<<<<<< HEAD
-  tests/integration/directive/shebang/bundle: {}
->>>>>>> 74692e1 (feat: add EntryChunkPlugin to handle shebang and shims)
-=======
-  tests/integration/directive/shebang: {}
->>>>>>> 4e050fc (up)
 
   tests/integration/dts/bundle-false/abort-on-error: {}
 
diff --git a/tests/integration/shims/index.test.ts b/tests/integration/shims/index.test.ts
index 9047b5a6..91c12455 100644
--- a/tests/integration/shims/index.test.ts
+++ b/tests/integration/shims/index.test.ts
@@ -95,10 +95,12 @@ describe('CJS shims', () => {
     const fileUrl = pathToFileURL(entryFiles.cjs).href;
     expect(importMetaUrl).toBe(fileUrl);
     expect(requiredModule).toBe('ok');
-    expect(cjsCode.startsWith('"use strict"')).toBe(true);
-    expect(cjsCode).toContain(
-      'const __rslib_import_meta_url__ = /*#__PURE__*/ function() {',
-    );
+    console.log('🥺', cjsCode.includes('\n'), cjsCode.includes('\r\n'));
+    expect(
+      cjsCode.startsWith(
+        `"use strict";\nconst __rslib_import_meta_url__ = /*#__PURE__*/ function() {`,
+      ),
+    ).toBe(true);
   });
 
   test('ESM should not be affected by CJS shims configuration', async () => {