diff --git a/src/components/customRecord/index.ts b/src/components/customRecord/index.ts
index c6f2159..d2e9923 100644
--- a/src/components/customRecord/index.ts
+++ b/src/components/customRecord/index.ts
@@ -49,6 +49,7 @@ Component({
       });
       recorderManager?.start({
         format: "mp3",
+        sampleRate: 16000,
       });
     },
     handleHide() {