修复BMI计算公式有误的问题

patient-co/patient-co-wlyy/src/main/java/com/yihu/wlyy/util/CommonUtil.java

@@ -368,7 +368,7 @@ public class CommonUtil {
        heightStr = df2.format(heightCM/100d);
        double height = Double.parseDouble(heightStr);
        double bmi = weight / height * 2;
        double bmi = weight / (height * height);
        return bmi;
    }