修改bug

src/main/java/com/care/common/util/ImgUtil.java

@@ -5,7 +5,7 @@ import java.util.regex.Pattern;
 
 public class ImgUtil {
     public static boolean isImg(String fileName) {
-        String reg = ".+(.JPEG|.jpeg|.JPG|.jpg|.PNG|.png)$";
+        String reg = ".+(.JPEG|.jpeg|.JPG|.jpg|.PNG|.png|.GIF |.gif |.BMP |.bmp)$";
         Pattern pattern = Pattern.compile(reg);
         Matcher matcher = pattern.matcher(fileName);
         return matcher.find();