no message

mall-miniapp-service/src/main/java/com/gree/mall/miniapp/utils/ocr/OCRUtil.java

@@ -130,6 +130,9 @@ public class OCRUtil {
         log.info("百度OCR返回结果:" + result);
         final JSONObject jsonBody = new JSONObject(result);
         final JSONArray jsonArray = jsonBody.getJSONArray("words_result");
+        if (jsonArray.size() <= 0) {
+            return "";
+        }
         final Object words = jsonArray.getBean(0, Map.class).get("words");
         return words.toString();
     }