diff --git "a/\346\227\240\346\272\220\350\234\202\351\270\243\345\231\250/assets/code/NumberedMusicalNotation.py" "b/\346\227\240\346\272\220\350\234\202\351\270\243\345\231\250/assets/code/NumberedMusicalNotation.py"
index 404e0759afebb86375b449381641e48e4592c89c..5b284a559bfee59566a853151559d90675369c02 100644
--- "a/\346\227\240\346\272\220\350\234\202\351\270\243\345\231\250/assets/code/NumberedMusicalNotation.py"
+++ "b/\346\227\240\346\272\220\350\234\202\351\270\243\345\231\250/assets/code/NumberedMusicalNotation.py"
@@ -59,14 +59,18 @@ class NumberedMusicalNotation:
 
         realRate = self.scaleDict[scaleKey] * math.pow(2, upNumber) * (1 / math.pow(2, downNumber))
 
-        wholeNote = (60 / self.beatSpeed) * self.beatNumber
+        quarterNote = (60 / self.beatSpeed) * self.beatNumber * (1 / 4)
+
         upNumber = monophonic.count('.')
         downNumber = monophonic.count('_')
-        voiceTime = wholeNote * (1 / 4) * (1 / math.pow(2, downNumber))
-        if(upNumber == 1):
-            voiceTime *= 2
-        elif(upNumber == 3):
-            voiceTime *= 4
+        halfNumber = monophonic.count('*')
+
+        voiceTime = quarterNote * (1 / math.pow(2, downNumber))
+
+        if(halfNumber >= 1):
+            voiceTime *= 1.5
+
+        voiceTime += quarterNote * upNumber
 
         if(realRate != 0):
             self.tone(int(realRate * math.pow(2, preAdd)), int(voiceTime * 1000))