diff --git a/msh_crmeb_22/crmeb-common/src/main/java/com/zbkj/common/request/tencent/TencentAsrRequest.java b/msh_crmeb_22/crmeb-common/src/main/java/com/zbkj/common/request/tencent/TencentAsrRequest.java
index 39984a8..6f352de 100644
--- a/msh_crmeb_22/crmeb-common/src/main/java/com/zbkj/common/request/tencent/TencentAsrRequest.java
+++ b/msh_crmeb_22/crmeb-common/src/main/java/com/zbkj/common/request/tencent/TencentAsrRequest.java
@@ -50,4 +50,7 @@ public class TencentAsrRequest {
 
     @ApiModelProperty(value = "是否显示词级别时间戳")
     private Boolean wordInfo;
+
+    @ApiModelProperty(value = "音频格式（sourceType=1 时必传：mp3/wav/m4a/aac/pcm/silk）", example = "mp3")
+    private String voiceFormat;
 }
diff --git a/msh_crmeb_22/crmeb-service/src/main/java/com/zbkj/service/service/impl/tool/ToolTencentAsrServiceImpl.java b/msh_crmeb_22/crmeb-service/src/main/java/com/zbkj/service/service/impl/tool/ToolTencentAsrServiceImpl.java
index 93c6fa9..e5b2ab6 100644
--- a/msh_crmeb_22/crmeb-service/src/main/java/com/zbkj/service/service/impl/tool/ToolTencentAsrServiceImpl.java
+++ b/msh_crmeb_22/crmeb-service/src/main/java/com/zbkj/service/service/impl/tool/ToolTencentAsrServiceImpl.java
@@ -179,7 +179,13 @@ public class ToolTencentAsrServiceImpl implements ToolTencentAsrService {
                     request.getEngineModelType() : asrConfig.getDefaultEngineModel());
             req.setSourceType(request.getSourceType() != null ?
                     request.getSourceType().longValue() : 0L);
-            req.setVoiceFormat(getVoiceFormat(request.getUrl()));
+            // test-0415 反馈3-1：sourceType=1 时 url 为空，从 url 推断会默认 wav，导致 mp3 数据被当 wav 解 → "Audio decoding failed"
+            // 优先使用前端显式传入的 voiceFormat
+            String voiceFormat = request.getVoiceFormat();
+            if (voiceFormat == null || voiceFormat.isEmpty()) {
+                voiceFormat = getVoiceFormat(request.getUrl());
+            }
+            req.setVoiceFormat(voiceFormat);
 
             if (request.getSourceType() != null && request.getSourceType() == 1) {
                 req.setData(request.getData());