diff --git a/lib/ansu_ui.dart b/lib/ansu_ui.dart
index 4f10078..8a8da89 100644
--- a/lib/ansu_ui.dart
+++ b/lib/ansu_ui.dart
@@ -28,6 +28,7 @@ export 'dialog/as_dialog_button.dart';
 export 'dialog/as_show_bottom_dialog.dart';
 export 'divider/as_divider.dart';
 export 'drawer/as_drawer.dart';
+export 'extension/Text_extension.dart';
 export 'extension/image_extension.dart';
 export 'extension/list_extension.dart';
 export 'extension/num_extension.dart';
diff --git a/lib/extension/Text_extension.dart b/lib/extension/Text_extension.dart
new file mode 100644
index 0000000..e887c4a
--- /dev/null
+++ b/lib/extension/Text_extension.dart
@@ -0,0 +1,9 @@
+import 'package:ansu_ui/utils/match_text.dart';
+import 'package:flutter/material.dart';
+
+extension TextSpanExt on TextSpan {
+  TextSpan match(String match) {
+    return MatchText(matchText: match, text: this.text ?? '', style: this.style)
+        .matchSpan();
+  }
+}
diff --git a/lib/extension/string_extension.dart b/lib/extension/string_extension.dart
index d3409cc..d585d6e 100644
--- a/lib/extension/string_extension.dart
+++ b/lib/extension/string_extension.dart
@@ -1,4 +1,6 @@
 import 'package:ansu_ui/toast/as_toast.dart';
+import 'package:ansu_ui/utils/match_text.dart';
+import 'package:flutter/material.dart';
 
 extension PhoneExt on String {
   List get _parsePhone {
@@ -34,4 +36,8 @@ extension PhoneExt on String {
   get toast {
     ASToast.show(this);
   }
+
+  MatchText matchStr(String match, {TextStyle? style}) {
+    return MatchText(matchText: match, text: this);
+  }
 }
diff --git a/lib/extension/widget_extension.dart b/lib/extension/widget_extension.dart
index db960a0..6f9c416 100644
--- a/lib/extension/widget_extension.dart
+++ b/lib/extension/widget_extension.dart
@@ -1,5 +1,9 @@
+import 'package:ansu_ui/utils/match_text.dart';
+import 'package:auto_size_text_pk/auto_size_text_pk.dart';
 import 'package:flutter/material.dart';
 
+import 'Text_extension.dart';
+
 extension WidgetExt on Widget {
   Widget paddingExt(double horizontal, [double vertical = 0]) => Padding(
         padding: EdgeInsets.symmetric(
@@ -8,4 +12,33 @@ extension WidgetExt on Widget {
         ),
         child: this,
       );
+
+  Widget match(String match) {
+    var spans = (this as AutoSizeText).textSpan;
+    if (spans != null) {
+      spans = spans.match(match);
+      return Text.rich(spans);
+    }
+    if (this.runtimeType == Text) {
+      return MatchText(
+        matchText: match,
+        text: (this as Text).data ?? '',
+        style: (this as Text).style,
+      );
+    }
+
+    if (this.runtimeType == AutoSizeText) {
+      var spans = (this as AutoSizeText).textSpan;
+      if (spans != null) {
+        spans = spans.match(match);
+        return AutoSizeText.rich(spans);
+      }
+      return MatchText(
+        matchText: match,
+        text: (this as AutoSizeText).data ?? '',
+        style: (this as AutoSizeText).style,
+      );
+    }
+    return this;
+  }
 }
diff --git a/lib/utils/match_text.dart b/lib/utils/match_text.dart
new file mode 100644
index 0000000..ec89697
--- /dev/null
+++ b/lib/utils/match_text.dart
@@ -0,0 +1,41 @@
+import 'package:ansu_ui/ansu_ui.dart';
+import 'package:flutter/material.dart';
+
+class MatchText extends StatelessWidget {
+  final String matchText;
+  final String text;
+  final TextStyle? style;
+
+  const MatchText({
+    Key? key,
+    required this.matchText,
+    required this.text,
+    this.style,
+  }) : super(key: key);
+
+  TextSpan matchSpan() {
+    return TextSpan(children: getSpans());
+  }
+
+  List<TextSpan> getSpans() {
+    var textStyle = style ?? TextStyle(color: kTextColor, fontSize: 14.sp);
+    if (matchText.isEmpty) {
+      return [TextSpan(text: text, style: textStyle)];
+    }
+    List<TextSpan> allSpan = text
+        .replaceAllMapped(matchText, (Match mt) => '\r${mt[0]}\r')
+        .split('\r')
+        .map<TextSpan>(
+          (e) => (matchText.matchAsPrefix(e) == null || e.length == text.length)
+              ? TextSpan(text: e, style: textStyle)
+              : TextSpan(text: e, style: textStyle.copyWith(color: Colors.red)),
+        )
+        .toList();
+    return allSpan;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RichText(text: TextSpan(children: getSpans()));
+  }
+}
diff --git a/pubspec.lock b/pubspec.lock
index fae8b8e..2d2f415 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -18,7 +18,7 @@ packages:
     source: hosted
     version: "2.6.1"
   auto_size_text_pk:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: auto_size_text_pk
       url: "https://pub.flutter-io.cn"
diff --git a/pubspec.yaml b/pubspec.yaml
index c6294c1..4de7d0a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -17,6 +17,7 @@ dependencies:
   image_picker: ^0.7.2
   bot_toast: ^4.0.0+1
   velocity_x: ^3.3.0
+  auto_size_text_pk: ^3.0.0
   expandable: ^5.0.1
   animated_collection:
     git: