[bugfix] can not read the last sentence

lib/utils/common_util.dart

@@ -57,6 +57,8 @@ class CommonUtil {
         cleanedText = cleanedText.replaceAllMapped(
             RegExp(r'UNYX', caseSensitive: false), (m) => 'Unix');
       }
+      cleanedText = cleanedText.replaceAllMapped(
+          RegExp(r'400-023-4567', caseSensitive: false), (m) => '4 0 0 - 0 2 3 - 4 5 6 7');
     }
 
     return cleanedText;

lib/utils/tts_util.dart

@@ -17,7 +17,11 @@ class TtsUtil {
     await execute('send', {'text': text});
   }
 
-  static Future<void> stopTts() async {
+  static Future<void> complete() async {
+    await execute('complete');
+  }
+
+  static Future<void> stop() async {
     await execute('stop');
   }
 }