1、IEEE754浮点型优化；

user-service/src/main/java/com/mh/user/utils/ExchangeStringUtil.java

@@ -1010,9 +1010,8 @@ public class ExchangeStringUtil {
      * @date: 2021/9/10 16:57
      */
     public static float hexToSingle(String s ) {
-        int ieee754Int = Integer.parseInt(s, 16);
-        float realValue = Float.intBitsToFloat(ieee754Int);
-        return realValue;
+        BigInteger data = new BigInteger(s,16);
+        return Float.intBitsToFloat(data.intValue());
     }
 
     //判断字符串是否为json格式