diff --git a/src/com/engine/recruit/service/impl/ResumeRecognitionServiceImpl.java b/src/com/engine/recruit/service/impl/ResumeRecognitionServiceImpl.java
index 9d8b69d..b8b5c21 100644
--- a/src/com/engine/recruit/service/impl/ResumeRecognitionServiceImpl.java
+++ b/src/com/engine/recruit/service/impl/ResumeRecognitionServiceImpl.java
@@ -494,6 +494,9 @@ public class ResumeRecognitionServiceImpl extends Service implements ResumeRecog
      * @return
      */
     private String getFormatDate(String dateStr) {
+        if(StringUtils.isBlank(dateStr)){
+            return "";
+        }
         dateStr = dateStr.replace(".", "-").replace("\\/", "-");
         if (dateStr.length() == 7) {
             return dateStr + "-01";