diff --git a/.fvm/fvm_config.json b/.fvm/fvm_config.json
index de7d397..b8e6b4f 100644
--- a/.fvm/fvm_config.json
+++ b/.fvm/fvm_config.json
@@ -1,4 +1,4 @@
 {
-  "flutterSdkVersion": "2.0.2",
+  "flutterSdkVersion": "2.8.1",
   "flavors": {}
 }
\ No newline at end of file
diff --git a/example/pubspec.lock b/example/pubspec.lock
index cf3b2c7..af1cb3a 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -51,7 +51,7 @@ packages:
       name: characters
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -227,7 +227,7 @@ packages:
       name: meta
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.3.0"
+    version: "1.7.0"
   path:
     dependency: transitive
     description:
@@ -288,7 +288,7 @@ packages:
       name: vector_math
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   velocity_x:
     dependency: transitive
     description:
@@ -304,5 +304,5 @@ packages:
     source: hosted
     version: "2.1.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=2.0.0"
diff --git a/lib/text_field/as_search_text_field.dart b/lib/text_field/as_search_text_field.dart
index 9dff27a..7d7c18b 100644
--- a/lib/text_field/as_search_text_field.dart
+++ b/lib/text_field/as_search_text_field.dart
@@ -1,6 +1,6 @@
+import 'package:ansu_ui/styles/as_colors.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:ansu_ui/styles/as_colors.dart';
 
 ///TextFiled
 class ASSearchTextField extends StatefulWidget implements PreferredSizeWidget {
@@ -14,6 +14,7 @@ class ASSearchTextField extends StatefulWidget implements PreferredSizeWidget {
     this.margin,
     this.onPressed,
     this.height,
+    this.prefix,
   })  : button = false,
         super(key: key);
 
@@ -28,6 +29,7 @@ class ASSearchTextField extends StatefulWidget implements PreferredSizeWidget {
     this.margin,
     this.onPressed,
     this.height,
+    this.prefix,
   })  : button = true,
         super(key: key);
 
@@ -57,6 +59,9 @@ class ASSearchTextField extends StatefulWidget implements PreferredSizeWidget {
   ///高度
   final double? height;
 
+  ///搜索内容筛选
+  final Widget? prefix;
+
   @override
   _ASSearchTextFieldState createState() => _ASSearchTextFieldState();
 
@@ -150,10 +155,16 @@ class _ASSearchTextFieldState extends State<ASSearchTextField> {
           focusedErrorBorder: _border,
           prefixIcon: Padding(
             padding: EdgeInsets.only(left: 13.w, right: 8.w),
-            child: Icon(
-              Icons.search,
-              size: 16.w,
-              color: Colors.black,
+            child: Row(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Icon(
+                  Icons.search,
+                  size: 16.w,
+                  color: Colors.black,
+                ),
+                widget.prefix ?? SizedBox(),
+              ],
             ),
           ),
           prefixIconConstraints: BoxConstraints(minWidth: 0, minHeight: 0),
diff --git a/pubspec.lock b/pubspec.lock
index 2d2f415..321e64b 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -16,7 +16,7 @@ packages:
       name: async
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.6.1"
+    version: "2.8.2"
   auto_size_text_pk:
     dependency: "direct main"
     description:
@@ -44,14 +44,14 @@ packages:
       name: characters
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   clock:
     dependency: transitive
     description:
@@ -192,14 +192,14 @@ packages:
       name: matcher
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.3.0"
+    version: "1.7.0"
   path:
     dependency: transitive
     description:
@@ -267,7 +267,7 @@ packages:
       name: test_api
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.3.0"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -281,7 +281,7 @@ packages:
       name: vector_math
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   velocity_x:
     dependency: "direct main"
     description:
@@ -297,5 +297,5 @@ packages:
     source: hosted
     version: "2.1.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=2.0.0"