1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/com/juick/util/ImageUtils.java b/src/main/java/com/juick/util/ImageUtils.java
index 38e1de08..d2158cca 100644
--- a/src/main/java/com/juick/util/ImageUtils.java
+++ b/src/main/java/com/juick/util/ImageUtils.java
@@ -46,8 +46,8 @@ import java.util.Iterator;
 public class ImageUtils {
     private static final Logger logger = LoggerFactory.getLogger(ImageUtils.class);
 
-    private String imgDir;
-    private String tmpDir;
+    private final String imgDir;
+    private final String tmpDir;
 
     public ImageUtils(String imgDir, String tmpDir) {
         this.imgDir = imgDir;