diff --git a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/infrastructure/config/DataManagementProperties.java b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/infrastructure/config/DataManagementProperties.java
index 0f9149c7f..af816a951 100644
--- a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/infrastructure/config/DataManagementProperties.java
+++ b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/infrastructure/config/DataManagementProperties.java
@@ -10,7 +10,7 @@
  * 数据管理服务配置属性
  */
 @Configuration
-@ConfigurationProperties(prefix = "datamanagement")
+@ConfigurationProperties(prefix = "datamate.datamanagement")
 public class DataManagementProperties {
 
     private FileStorage fileStorage = new FileStorage();
diff --git a/backend/services/data-management-service/src/main/resources/config/application-datamanagement.yml b/backend/services/data-management-service/src/main/resources/config/application-datamanagement.yml
index ba9b5021e..06c8d9c73 100644
--- a/backend/services/data-management-service/src/main/resources/config/application-datamanagement.yml
+++ b/backend/services/data-management-service/src/main/resources/config/application-datamanagement.yml
@@ -1,4 +1,4 @@
-dataMate:
+datamate:
   datamanagement:
     file-storage:
       upload-dir: ${FILE_UPLOAD_DIR:./uploads}
diff --git a/backend/services/main-application/src/main/resources/config/application-datamanagement.yml b/backend/services/main-application/src/main/resources/config/application-datamanagement.yml
index 72fb53d06..06c8d9c73 100644
--- a/backend/services/main-application/src/main/resources/config/application-datamanagement.yml
+++ b/backend/services/main-application/src/main/resources/config/application-datamanagement.yml
@@ -4,6 +4,9 @@ datamate:
       upload-dir: ${FILE_UPLOAD_DIR:./uploads}
       max-file-size: 10485760   # 10MB
       max-request-size: 52428800 # 50MB
+      allowed-source-dirs:
+        - ${DATASET_BASE_PATH:/dataset}
+        - ${FILE_UPLOAD_DIR:./uploads}
     cache:
       ttl: 3600
       max-size: 1000
diff --git a/deployment/helm/datamate/values.yaml b/deployment/helm/datamate/values.yaml
index 2011e39cd..647c50536 100644
--- a/deployment/helm/datamate/values.yaml
+++ b/deployment/helm/datamate/values.yaml
@@ -170,6 +170,10 @@ backend:
       mountPath: /operators
 
 backend-python:
+  securityContext:
+    capabilities:
+      add:
+        - SYS_ADMIN
   nodeSelector: {}
   tolerations: []
   env: