diff --git a/aio/tools/translator/utils.spec.ts b/aio/tools/translator/utils.spec.ts
index e85963f999..3811392c4f 100644
--- a/aio/tools/translator/utils.spec.ts
+++ b/aio/tools/translator/utils.spec.ts
@@ -100,7 +100,7 @@ def
 
     <th>
 
-    line
+        line
 
     </th>
 
@@ -138,6 +138,19 @@ def
 `);
   });
 
+  it('拆解 code-example', function () {
+    const lines = normalizeLines(`
+<code-example language="sh" class="code-shell">
+ng generate directive highlight
+
+`);
+    expect(lines).eql(`
+<code-example language="sh" class="code-shell">
+
+ng generate directive highlight
+`);
+  });
+
   it('拆解 @a 标记', function () {
     const lines = normalizeLines(`
     a
@@ -177,13 +190,13 @@ def
   it('拆解多行的成对 tag', function () {
     const lines = normalizeLines(`
   <header>
-    Angular forms don't require a style library
+      Angular forms don't require a style library
   </header>
 `);
     expect(lines).eq(`
   <header>
 
-    Angular forms don't require a style library
+      Angular forms don't require a style library
 
   </header>
 `);
@@ -192,7 +205,7 @@ def
   it('拆解多行的成对 tag', function () {
     const lines = normalizeLines(`
     <p>
-    a
+        a
     </p>
 
     <p>
@@ -203,7 +216,7 @@ def
     expect(lines).eq(`
     <p>
 
-    a
+        a
 
     </p>
 
@@ -241,19 +254,19 @@ def
 
 <li>
 
-<a href="#">a</a>
+    <a href="#">a</a>
 
 </li>
 
 <li>
 
-<a href="#">b</a>
+    <a href="#">b</a>
 
 </li>
 
 <li>
 
-<a href="#">c</a>
+    <a href="#">c</a>
 
 </li>
 
diff --git a/aio/tools/translator/utils.ts b/aio/tools/translator/utils.ts
index dd3b11446f..2257955520 100644
--- a/aio/tools/translator/utils.ts
+++ b/aio/tools/translator/utils.ts
@@ -50,34 +50,35 @@ export function normalizeLines(text: string): string {
   // 列表、标题等自带换行含义的markdown
   const blockElementPattern = /(?=\n *(\d+\.|-|\*) )\n/g;
   text = text.replace(blockElementPattern, '\n\n');
-  const hxPattern = /(\n *#.*)\n/g;
-  text = text.replace(hxPattern, '\n$1\n\n');
-  const leadHxPattern = /^( *#.*)\n/g;
-  text = text.replace(leadHxPattern, '$1\n\n');
-  const oneLinePairedTagPattern = /\n( *)<(p|code-example|div|h\d+|a)( ?[^> \n]*)>([^<\n]*)<\/\2>( *)\n/g;
-  text = text.replace(oneLinePairedTagPattern, '\n\n$1<$2$3>$4</$2>$5\n\n');
-  const oneLineThTdTagPattern = /\n( *)<(th|td|li)( ?[^> \n]*)>(.*)<\/\2>( *)/g;
-  text = text.replace(oneLineThTdTagPattern, '\n\n$1<$2$3>\n\n$1    $4\n\n$1</$2>$5\n\n');
-  const oneLineCommentPattern = /\n( *)(<!--.*-->)( *)\n/g;
-  text = text.replace(oneLineCommentPattern, '\n\n$1$2$3\n\n');
-  const oneLineBrTagPattern = /\n( *)(<br class="clear">)( *)\n/g;
-  text = text.replace(oneLineBrTagPattern, '\n\n$1$2$3\n\n');
-  const atTagCommentPattern = /\n( *)({@a.*})( *)\n/g;
-  text = text.replace(atTagCommentPattern, '\n\n$1$2$3\n\n');
-  const oneLineClosedTagPattern = /\n( *)<(hr|p)(\/?)>( *)\n/g;
-  text = text.replace(oneLineClosedTagPattern, '\n\n$1<$2$3>$4\n\n');
-  const multiLinePairedTagPattern = /\n( *)<(header|p)( *[^> \n]*)>\n*(.*?)\n*( *)<\/\2>( *)\n/g;
-  text = text.replace(multiLinePairedTagPattern, '\n\n$1<$2$3>\n\n$1    $4\n\n$1</$2>$6\n\n');
+  const hxPattern = /(\n *# .*)(?=\n)/g;
+  text = text.replace(hxPattern, '\n$1\n');
+  const oneLinePairedTagPattern = /\n( *)<(p|div|h\d+|a|code-example)( ?[^>\n]*)>([^<\n]*)<\/\2>( *)(?=\n)/g;
+  text = text.replace(oneLinePairedTagPattern, '\n\n$1<$2$3>$4</$2>$5\n');
+  const oneLineThTdTagPattern = /\n( *)<(th|td|li)( ?[^>\n]*)>(.*)<\/\2>( *)(?=\n)/g;
+  text = text.replace(oneLineThTdTagPattern, '\n\n$1<$2$3>\n\n$1    $4\n\n$1</$2>$5\n');
+  const oneLineCommentPattern = /\n( *)(<!--.*-->)( *)(?=\n)/g;
+  text = text.replace(oneLineCommentPattern, '\n\n$1$2$3\n');
+  const oneLineBrTagPattern = /\n( *)(<br class="clear">)( *)(?=\n)/g;
+  text = text.replace(oneLineBrTagPattern, '\n\n$1$2$3\n');
+  const atTagCommentPattern = /\n( *)({@a.*})( *)(?=\n)/g;
+  text = text.replace(atTagCommentPattern, '\n\n$1$2$3\n');
+  const oneLineClosedTagPattern = /\n( *)<(hr|p)(\/?)>( *)(?=\n)/g;
+  text = text.replace(oneLineClosedTagPattern, '\n\n$1<$2$3>$4\n');
+  const multiLinePairedTagPattern = /\n( *)<(header|p)( *[^>\n]*)>\n*(.*?)\n*( *)<\/\2>( *)(?=\n)/g;
+  text = text.replace(multiLinePairedTagPattern, '\n\n$1<$2$3>\n\n$4\n\n$5</$2>$6\n');
 
-  const blockTagPattern = /\n( *)<(\/?)(td|th|div)( *[^> \n]*)>( *)\n/g;
-  text = text.replace(blockTagPattern, '\n\n$1<$2$3$4>$5\n\n');
+  const blockTagPattern = /\n( *)<(\/?)(td|th|div|code-example)( *[^>\n]*)>( *)(?=\n)/g;
+  text = text.replace(blockTagPattern, '\n\n$1<$2$3$4>$5\n');
 
-  const multiLineCodePattern = /\n( *)```(\w*)( *)\n/g;
-  text = text.replace(multiLineCodePattern, '\n\n$1```$2$3\n\n');
+  const multiLineCodePattern = /\n( *)```(\w*)( *)(?=\n)/g;
+  text = text.replace(multiLineCodePattern, '\n\n$1```$2$3\n');
 
   const multipleBlankLinePattern = /\n\s*\n+/g;
   text = text.replace(multipleBlankLinePattern, '\n\n');
-  return text.replace(/^\n+/, '\n').replace(/\n+$/, '\n');
+
+  text = text.replace(/^\n+/, '\n').replace(/\n+$/, '\n');
+
+  return text;
 }
 
 export function indentOf(line): number {