diff --git a/envs/dev/apps/infra.yaml b/envs/dev/apps/infra.yaml
index 4f9fefa..d35e47a 100644
--- a/envs/dev/apps/infra.yaml
+++ b/envs/dev/apps/infra.yaml
@@ -13,7 +13,7 @@ spec:
       recurse: true
   destination:
     server: https://kubernetes.default.svc
-    namespace: dbiz
+    namespace: dbiz-dev
   syncPolicy:
     automated:
       prune: true
diff --git a/envs/dev/apps/platform-api.yaml b/envs/dev/apps/platform-api.yaml
index c43b8b1..393e4b5 100644
--- a/envs/dev/apps/platform-api.yaml
+++ b/envs/dev/apps/platform-api.yaml
@@ -17,7 +17,7 @@ spec:
       ref: values
   destination:
     server: https://kubernetes.default.svc
-    namespace: dbiz
+    namespace: dbiz-dev
   syncPolicy:
     automated:
       prune: true
diff --git a/envs/dev/apps/sealed-secrets.yaml b/envs/dev/apps/sealed-secrets.yaml
index 3ba5515..314882e 100644
--- a/envs/dev/apps/sealed-secrets.yaml
+++ b/envs/dev/apps/sealed-secrets.yaml
@@ -13,7 +13,7 @@ spec:
       recurse: true
   destination:
     server: https://kubernetes.default.svc
-    namespace: dbiz
+    namespace: dbiz-dev
   syncPolicy:
     automated:
       prune: true
diff --git a/envs/dev/apps/tenant-api.yaml b/envs/dev/apps/tenant-api.yaml
index bbec63d..6968f10 100644
--- a/envs/dev/apps/tenant-api.yaml
+++ b/envs/dev/apps/tenant-api.yaml
@@ -17,7 +17,7 @@ spec:
       ref: values
   destination:
     server: https://kubernetes.default.svc
-    namespace: dbiz
+    namespace: dbiz-dev
   syncPolicy:
     automated:
       prune: true
diff --git a/envs/dev/infra/external-services.yaml b/envs/dev/infra/external-services.yaml
index 620cc45..f13c9b0 100644
--- a/envs/dev/infra/external-services.yaml
+++ b/envs/dev/infra/external-services.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: oracle-db
-  namespace: dbiz
+  namespace: dbiz-dev
 spec:
   ports:
   - port: 1521
@@ -12,7 +12,7 @@ apiVersion: v1
 kind: Endpoints
 metadata:
   name: oracle-db
-  namespace: dbiz
+  namespace: dbiz-dev
 subsets:
 - addresses:
   - ip: 192.168.110.174
@@ -23,7 +23,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: redis
-  namespace: dbiz
+  namespace: dbiz-dev
 spec:
   ports:
   - port: 6379
@@ -33,7 +33,7 @@ apiVersion: v1
 kind: Endpoints
 metadata:
   name: redis
-  namespace: dbiz
+  namespace: dbiz-dev
 subsets:
 - addresses:
   - ip: 192.168.110.72
@@ -44,7 +44,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: kafka
-  namespace: dbiz
+  namespace: dbiz-dev
 spec:
   ports:
   - port: 9092
@@ -54,7 +54,7 @@ apiVersion: v1
 kind: Endpoints
 metadata:
   name: kafka
-  namespace: dbiz
+  namespace: dbiz-dev
 subsets:
 - addresses:
   - ip: 192.168.110.70
@@ -65,7 +65,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: seaweedfs-s3
-  namespace: dbiz
+  namespace: dbiz-dev
 spec:
   ports:
   - port: 8888
@@ -75,7 +75,7 @@ apiVersion: v1
 kind: Endpoints
 metadata:
   name: seaweedfs-s3
-  namespace: dbiz
+  namespace: dbiz-dev
 subsets:
 - addresses:
   - ip: 192.168.110.71