个人签名限定40个字 review by 草莓

@@ -95,7 +95,7 @@ export default class Setting extends React.Component {
                     value={signature}
                     autoCapitalize={'none'}
                     autoCorrect={false}
-                    maxLength={50}
+                    maxLength={40}
                     onChangeText={(text) => {
                         this.signLength = text.length;
                         this.props.signEdited(text);