缩小验证码图片

user-service/src/main/java/com/diagbot/util/VerifyCodeUtils.java

@@ -266,7 +266,7 @@ public class VerifyCodeUtils {
      */
     public static Object[] createImage(){
         try{
-            int w = 200, h = 80;
+            int w = 80, h = 32;
             String verifyCode = generateVerifyCode(4);//生成四位随机码
             ByteArrayOutputStream bos = new ByteArrayOutputStream();
             outputImage(w, h, bos, verifyCode);