111

src/main/java/com/fdkankan/scene/util/TtsUtil.java

@@ -171,7 +171,7 @@ public class TtsUtil {
             result = (float) (2 + (speed - 1.5)/(2.5 - 1.5) * (6 - 2));
         }
 
-        return new BigDecimal(result).setScale(2).floatValue();
+        return new BigDecimal(result).setScale(2, BigDecimal.ROUND_DOWN).floatValue();
 
     }