- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
- [ ] I have checked the [FAQ](https://github.com/apache/dubbo/blob/master/FAQ.md) of this repository and believe that this is not a duplicate.

### Environment

* Dubbo version: 2.7.4.1
* Java version: 1.8


### Actual Result

[https://github.com/apache/dubbo/blob/f89a1a8dadb419a06494433ed53b9a35f69c36dc/dubbo-common/src/main/java/org/apache/dubbo/common/utils/NetUtils.java#L497](https://github.com/apache/dubbo/blob/f89a1a8dadb419a06494433ed53b9a35f69c36dc/dubbo-common/src/main/java/org/apache/dubbo/common/utils/NetUtils.java#L497)


[https://github.com/apache/dubbo/blob/f89a1a8dadb419a06494433ed53b9a35f69c36dc/dubbo-common/src/main/java/org/apache/dubbo/common/utils/ReflectUtils.java#L1207](https://github.com/apache/dubbo/blob/f89a1a8dadb419a06494433ed53b9a35f69c36dc/dubbo-common/src/main/java/org/apache/dubbo/common/utils/ReflectUtils.java#L1207)


### Expected Result

```
qulified  ==> qualified

form ==> from
```

}
        if (returnType == null) {
            return null;
        }
        if (returnType == boolean.class || returnType == Boolean.class) {
            return false;
        }
        if (returnType == char.class || returnType == Character.class) {
            return '\0';
        }
        if (returnType == byte.class || returnType == Byte.class) {
            return (byte) 0;
        }
        if (returnType == short.class || returnType == Short.class) {
            return (short) 0;
        }
        if (returnType == int.class || returnType == Integer.class) {
            return 0;
        }
        if (returnType == long.class || returnType == Long.class) {
            return 0L;
        }
        if (returnType == float.class || returnType == Float.class) {
            return 0F;
        }
        if (returnType == double.class || returnType == Double.class) {
            return 0D;
        }
        if (returnType.isArray()) {
            return Array.newInstance(returnType.getComponentType(), 0);