fix:修复空指针异常

app/src/main/java/com/chwl/app/ui/utils/ImageLoadUtils.java

@@ -114,6 +114,9 @@ public class ImageLoadUtils {
      * 加载头像通用方法
      */
     public static void loadAvatar(String avatar, ImageView imageView, int defaultRes, int customSize) {
+        if (avatar == null) {
+            avatar = "";
+        }
         StringBuilder sb = new StringBuilder(avatar);
         if (avatar.contains(ACCESS_URL)) {
             if (!avatar.contains("?")) {