diff --git a/src/main/java/com/supervision/service/impl/RobotTalkServiceImpl.java b/src/main/java/com/supervision/service/impl/RobotTalkServiceImpl.java
index 2211db8..05adf5a 100644
--- a/src/main/java/com/supervision/service/impl/RobotTalkServiceImpl.java
+++ b/src/main/java/com/supervision/service/impl/RobotTalkServiceImpl.java
@@ -136,8 +136,12 @@ public class RobotTalkServiceImpl implements RobotTalkService {
      * @param input
      * @return
      */
-    private String digitToChineseAmount(String input){
-        String regex = "(\\d+(\\.\\d+)?)(?=元|万元)";
+    private String numberToChinese(String input){
+
+        if (StrUtil.isEmpty(input)){
+            return input;
+        }
+        String regex = "(\\d+(\\.\\d+)?)(?=元|万元|亿元|个)";
         Pattern pattern = Pattern.compile(regex);
         Matcher matcher = pattern.matcher(input);
 
@@ -223,7 +227,7 @@ public class RobotTalkServiceImpl implements RobotTalkService {
         if (StrUtil.isEmpty(message)) {
             return null;
         }
-        String translate = digitToChineseAmount(message);
+        String translate = numberToChinese(message);
         TtsResultDTO resultDTO = voiceService.textToVoice(translate);
         IrVoice irVoice = new IrVoice();
         irVoice.setVoiceBase64(resultDTO.getAudio());