添加空值判断

jpress-web-admin/src/main/java/io/jpress/admin/controller/_ContentController.java

@@ -496,8 +496,8 @@ public class _ContentController extends JBaseCRUDController<Content> {
 		if (content.getThumbnail() == null) {
 			imageUrl = null;
 		}
-		if (content.getThumbnail() == null) {
-			iconUrl = null;
+		if (content.getSmallThumbnail() == null) {
+			iconUrl = imageUrl;
 		}
 		if (content.getUrl() == null) {
 			linkUrl = null;
@@ -510,8 +510,12 @@ public class _ContentController extends JBaseCRUDController<Content> {
 		String url = "http://113.105.74.140:8092/user/pushToAll?fromUserId=10000&body="+body;
 
 		try {
-			String response = HttpUtils.post(url);
-			result = "软文推送成功";
+			if (imageUrl == null) {
+				result = "软文推送失败，请选择一张图片";
+			} else {
+				String response = HttpUtils.post(url);
+				result = "软文推送成功";
+			}
 		} catch (Exception e) {
 			e.printStackTrace();
 			result = "软文推送失败，联系管理员检查接口";