diff --git a/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/config/OpenAiConfigProperties.java b/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/config/OpenAiConfigProperties.java
index 50f21401..2a312805 100644
--- a/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/config/OpenAiConfigProperties.java
+++ b/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/config/OpenAiConfigProperties.java
@@ -36,6 +36,9 @@ public class OpenAiConfigProperties {
     private int timeout = 10;
 
     /** OpenAI API Voice - <a href="https://platform.openai.com/docs/guides/text-to-speech/voice-options">...</a> */
-    private String voice;
+    private String voice = "alloy";
+
+    /** OpenAI API Speed - <a href="https://platform.openai.com/docs/api-reference/audio/createSpeech">...</a> */
+    private Double speed = 1.0;
 
 }
diff --git a/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/service/impl/ImContentServiceImpl.java b/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/service/impl/ImContentServiceImpl.java
index 18208a78..42729a81 100644
--- a/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/service/impl/ImContentServiceImpl.java
+++ b/kicc-platform/kicc-platform-biz/kicc-system-biz/src/main/java/com/cloud/kicc/system/service/impl/ImContentServiceImpl.java
@@ -96,8 +96,8 @@ public class ImContentServiceImpl extends ServiceImpl<ImContentMapper, ImContent
             fileService.save(sendOssOssFile);
             imContent.setFiles(sendOssOssFile.getId());
 
-            File inputVoiceFile = File.createTempFile(sendFileName, StrUtil.DOT + FileUtil.extName(file.getOriginalFilename()));
-            File outputVoiceFile = File.createTempFile(sendFileName, StrUtil.DOT + FileUtil.extName(file.getOriginalFilename()));
+            File inputVoiceFile = File.createTempFile(FileUtil.getPrefix(file.getOriginalFilename()), StrUtil.DOT + FileUtil.extName(file.getOriginalFilename()));
+            File outputVoiceFile = File.createTempFile(FileUtil.getPrefix(speechName), StrUtil.DOT + FileUtil.extName(speechName));
             ImContent receiveContent;
             OssFile receiveOssOssFile;
             try {
@@ -121,7 +121,7 @@ public class ImContentServiceImpl extends ServiceImpl<ImContentMapper, ImContent
                         .input(receiveContent.getContent())
                         .voice(openAiConfigProperties.getVoice())
                         .responseFormat(FileUtil.extName(speechName))
-                        .speed(1.0)
+                        .speed(openAiConfigProperties.getSpeed())
                         .build();
                 ResponseBody responseBody = openAiService.createSpeech(createSpeechRequest);
                 FileUtil.writeBytes(responseBody.bytes(), outputVoiceFile);