fix crashed when url wihout schema

android/src/main/kotlin/com/jarvan/fluwx/utils/ShareImageUtil.java

@@ -163,6 +163,9 @@ public class ShareImageUtil {
     }
 
     private static InputStream openStream(String url) {
+        if(!url.startsWith("https") && !url.startsWith("http")){
+            url = "http://"+url;
+        }
         OkHttpClient okHttpClient = new OkHttpClient.Builder().build();
         Request request = new Request.Builder().url(url).get().build();
         try {