diff --git a/server/controller/src/main/java/ai/starwhale/mlops/common/DockerImage.java b/server/controller/src/main/java/ai/starwhale/mlops/common/DockerImage.java
index 672576c3a3..0fa9f71551 100644
--- a/server/controller/src/main/java/ai/starwhale/mlops/common/DockerImage.java
+++ b/server/controller/src/main/java/ai/starwhale/mlops/common/DockerImage.java
@@ -46,7 +46,7 @@ public class DockerImage {
     public DockerImage(String imageNameFull) {
         Matcher matcher = PATTERN_IMAGE_FULL.matcher(imageNameFull);
         if (!matcher.matches()) {
-            this.registry = null;
+            this.registry = "";
             this.image = imageNameFull;
         } else {
             String candidateRegistry = matcher.group(1);
@@ -54,7 +54,7 @@ public DockerImage(String imageNameFull) {
                 this.registry = candidateRegistry;
                 image = matcher.group(2);
             } else {
-                this.registry = null;
+                this.registry = "";
                 this.image = imageNameFull;
             }
 
@@ -71,7 +71,7 @@ private static boolean isDomain(String candidate) {
 
     public String resolve(String newRegistry) {
         if (!StringUtils.hasText(newRegistry)) {
-            return image;
+            newRegistry = this.registry;
         }
         return StringUtils.trimTrailingCharacter(newRegistry, '/') + SLASH + image;
     }
diff --git a/server/controller/src/test/java/ai/starwhale/mlops/common/DockerImageTest.java b/server/controller/src/test/java/ai/starwhale/mlops/common/DockerImageTest.java
index 991b1f2f3f..8c4240405b 100644
--- a/server/controller/src/test/java/ai/starwhale/mlops/common/DockerImageTest.java
+++ b/server/controller/src/test/java/ai/starwhale/mlops/common/DockerImageTest.java
@@ -120,20 +120,20 @@ public void testIpPortConstructor() {
     @Test
     public void testOnlyNameConstructor() {
         DockerImage dockerImage = new DockerImage("star-whale/starwhale:0.3.0-rc.6-nightly-20220920-016d5507");
-        Assertions.assertEquals(new DockerImage(null, "star-whale/starwhale:0.3.0-rc.6-nightly-20220920-016d5507"),
+        Assertions.assertEquals(new DockerImage("", "star-whale/starwhale:0.3.0-rc.6-nightly-20220920-016d5507"),
                 dockerImage);
 
         dockerImage = new DockerImage("star-whale/starwhale:latest");
-        Assertions.assertEquals(new DockerImage(null, "star-whale/starwhale:latest"), dockerImage);
+        Assertions.assertEquals(new DockerImage("", "star-whale/starwhale:latest"), dockerImage);
 
         dockerImage = new DockerImage("star-whale/starwhale");
-        Assertions.assertEquals(new DockerImage(null, "star-whale/starwhale"), dockerImage);
+        Assertions.assertEquals(new DockerImage("", "star-whale/starwhale"), dockerImage);
 
     }
 
     @Test
     public void testResolve() {
-        Map<String, String> images = Map.of("", "star-whale/starwhale:0.3.0-rc.6-nightly-20220920-016d5507",
+        Map<String, String> images = Map.of(
                 "docker.io", "docker.io/star-whale/starwhale:0.3.0-rc.6-nightly-20220920-016d5507",
                 "docker.io/", "docker.io/star-whale/starwhale:0.3.0-rc.6-nightly-20220920-016d5507",
                 "ghcr.io", "ghcr.io/star-whale/starwhale:0.3.0-rc.6-nightly-20220920-016d5507",
@@ -161,6 +161,8 @@ public void testResolve() {
                         .resolve(k)
         ));
 
+        images.forEach((k, v) -> Assertions.assertEquals(v, new DockerImage(v).resolve("")));
+
     }
 
 }