diff --git a/novel-common/src/main/java/com/java2nb/novel/core/utils/FileUtil.java b/novel-common/src/main/java/com/java2nb/novel/core/utils/FileUtil.java
index 01e86d3..5661c49 100644
--- a/novel-common/src/main/java/com/java2nb/novel/core/utils/FileUtil.java
+++ b/novel-common/src/main/java/com/java2nb/novel/core/utils/FileUtil.java
@@ -10,6 +10,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseEntity;
 
+import javax.imageio.ImageIO;
 import java.io.*;
 import java.util.Date;
 import java.util.Objects;
@@ -48,6 +49,11 @@ public class FileUtil {
                 out.write(b, 0, n);
             }
 
+            out.flush();
+            if( ImageIO.read(picFile) == null){
+                picSrc = "/images/default.gif";
+            }
+
         }catch (Exception e){
             log.error(e.getMessage(),e);