diff --git a/Makefile b/Makefile
index 8b73d4a..a761c1b 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ SAVE ?= false  # Default: only pull images, don't save to dist/
 ifdef dev
     REGISTRY :=
 else
-    REGISTRY ?= ghcr.io/modelengine-group/
+    REGISTRY ?= ghcr.nju.edu.cn/modelengine-group/
 endif
 
 ifdef COMSPEC
diff --git a/deployment/helm/datamate/values.yaml b/deployment/helm/datamate/values.yaml
index 8320752..cc310d0 100644
--- a/deployment/helm/datamate/values.yaml
+++ b/deployment/helm/datamate/values.yaml
@@ -5,7 +5,7 @@
 global:
   namespace: datamate
   image:
-    repository: "ghcr.io/modelengine-group/"
+    repository: "ghcr.nju.edu.cn/modelengine-group/"
     pullPolicy: "IfNotPresent"
     backend:
       name: "datamate-backend"
diff --git a/deployment/helm/deer-flow/values.yaml b/deployment/helm/deer-flow/values.yaml
index 6f466ea..ed1f430 100644
--- a/deployment/helm/deer-flow/values.yaml
+++ b/deployment/helm/deer-flow/values.yaml
@@ -4,7 +4,7 @@
 
 global:
   image:
-    repository: "ghcr.io/modelengine-group/"
+    repository: "ghcr.nju.edu.cn/modelengine-group/"
     pullPolicy: "IfNotPresent"
     backend:
       name: "deer-flow-backend"
diff --git a/deployment/helm/milvus/charts/pulsar/charts/kube-prometheus-stack/charts/prometheus-windows-exporter/values.yaml b/deployment/helm/milvus/charts/pulsar/charts/kube-prometheus-stack/charts/prometheus-windows-exporter/values.yaml
index 4dc1771..acc2efc 100644
--- a/deployment/helm/milvus/charts/pulsar/charts/kube-prometheus-stack/charts/prometheus-windows-exporter/values.yaml
+++ b/deployment/helm/milvus/charts/pulsar/charts/kube-prometheus-stack/charts/prometheus-windows-exporter/values.yaml
@@ -3,7 +3,7 @@
 # Declare variables to be passed into your templates.
 
 image:
-  registry: ghcr.io
+  registry: ghcr.nju.edu.cn
   repository: prometheus-community/windows-exporter
   # Overrides the image tag whose default is {{ printf "v%s" .Chart.AppVersion }}
   tag: ""
diff --git a/deployment/helm/milvus/charts/tei/values.yaml b/deployment/helm/milvus/charts/tei/values.yaml
index eeecde9..b76490a 100644
--- a/deployment/helm/milvus/charts/tei/values.yaml
+++ b/deployment/helm/milvus/charts/tei/values.yaml
@@ -10,7 +10,7 @@ extraArgs: []
 replicaCount: 1
 
 image:
-  repository: ghcr.io/huggingface/text-embeddings-inference
+  repository: ghcr.nju.edu.cn/huggingface/text-embeddings-inference
   tag: cpu-1.6
   pullPolicy: IfNotPresent
 imagePullSecrets: []
diff --git a/deployment/helm/milvus/values.yaml b/deployment/helm/milvus/values.yaml
index 584cdcc..bd2b91c 100644
--- a/deployment/helm/milvus/values.yaml
+++ b/deployment/helm/milvus/values.yaml
@@ -1375,7 +1375,7 @@ tei:
   enabled: false
   name: text-embeddings-inference
   image:
-    repository: ghcr.io/huggingface/text-embeddings-inference
+    repository: ghcr.nju.edu.cn/huggingface/text-embeddings-inference
     tag: cpu-1.6
     pullPolicy: IfNotPresent
   service:
diff --git a/scripts/images/deer-flow-backend/Dockerfile b/scripts/images/deer-flow-backend/Dockerfile
index d868e3a..8cc9b7d 100644
--- a/scripts/images/deer-flow-backend/Dockerfile
+++ b/scripts/images/deer-flow-backend/Dockerfile
@@ -1,7 +1,7 @@
-FROM ghcr.io/astral-sh/uv:python3.12-bookworm
+FROM ghcr.nju.edu.cn/astral-sh/uv:python3.12-bookworm
 
 # Install uv.
-COPY --from=ghcr.io/astral-sh/uv:latest /uv /bin/uv
+COPY --from=ghcr.nju.edu.cn/astral-sh/uv:latest /uv /bin/uv
 
 # 配置 apt 阿里云镜像源并安装系统依赖
 RUN if [ -f /etc/apt/sources.list.d/debian.sources ]; then \
diff --git a/scripts/images/runtime/Dockerfile b/scripts/images/runtime/Dockerfile
index 7ba54e9..875a6fc 100644
--- a/scripts/images/runtime/Dockerfile
+++ b/scripts/images/runtime/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/astral-sh/uv:python3.11-bookworm
+FROM ghcr.nju.edu.cn/astral-sh/uv:python3.11-bookworm
 
 # 配置 apt 阿里云镜像源
 RUN --mount=type=cache,target=/var/cache/apt \