diff --git a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ResourcesService.java b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ResourcesService.java
index 56d40d9cab5b9c892fd419d2e3cecd95707553ee..bd7598979d5f96e54b70c19c8e1185203c7ce9f8 100644
--- a/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ResourcesService.java
+++ b/dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/ResourcesService.java
@@ -37,6 +37,7 @@ import org.apache.dolphinscheduler.dao.utils.ResourceProcessDefinitionUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.DuplicateKeyException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
@@ -139,6 +140,10 @@ public class ResourcesService extends BaseService {
                 }
             }
             result.setData(resultMap);
+        } catch (DuplicateKeyException e) {
+            logger.error("resource directory {} has exist, can't recreate", fullName);
+            putMsg(result, Status.RESOURCE_EXIST);
+            return result;
         } catch (Exception e) {
             logger.error("resource already exists, can't recreate ", e);
             throw new RuntimeException("resource already exists, can't recreate");
diff --git a/sql/dolphinscheduler-postgre.sql b/sql/dolphinscheduler-postgre.sql
index 1fedf05cfd66dcbc68c50e4755978f794fa78d41..5ae37e1be82d1717ea843df5469ec6a54797e209 100644
--- a/sql/dolphinscheduler-postgre.sql
+++ b/sql/dolphinscheduler-postgre.sql
@@ -523,7 +523,8 @@ CREATE TABLE t_ds_resources (
   pid int,
   full_name varchar(64),
   is_directory int,
-  PRIMARY KEY (id)
+  PRIMARY KEY (id),
+  CONSTRAINT t_ds_resources_un UNIQUE (full_name, type)
 ) ;
 
 
diff --git a/sql/dolphinscheduler_mysql.sql b/sql/dolphinscheduler_mysql.sql
index 70bb7cddfc4ac30f6f9ca71d9abb69cefd2589e0..61e697568a568344d45026ec4b7b5730d44299f4 100644
--- a/sql/dolphinscheduler_mysql.sql
+++ b/sql/dolphinscheduler_mysql.sql
@@ -657,7 +657,8 @@ CREATE TABLE `t_ds_resources` (
   `pid` int(11) DEFAULT NULL,
   `full_name` varchar(64) DEFAULT NULL,
   `is_directory` tinyint(4) DEFAULT NULL,
-  PRIMARY KEY (`id`)
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `t_ds_resources_un` (`full_name`,`type`)
 ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
 
 -- ----------------------------
diff --git a/sql/upgrade/1.3.3_schema/mysql/dolphinscheduler_ddl.sql b/sql/upgrade/1.3.3_schema/mysql/dolphinscheduler_ddl.sql
index e9f8b5b6b569ab46feec0c0d99ff6ad4dd463278..43488272e2850791e1418dab0a4583df8cffb38d 100644
--- a/sql/upgrade/1.3.3_schema/mysql/dolphinscheduler_ddl.sql
+++ b/sql/upgrade/1.3.3_schema/mysql/dolphinscheduler_ddl.sql
@@ -87,3 +87,29 @@ delimiter ;
 CALL ct_dolphin_T_t_ds_process_definition_version;
 DROP PROCEDURE ct_dolphin_T_t_ds_process_definition_version;
 
+
+
+
+--    add t_ds_resources_un
+DROP PROCEDURE IF EXISTS uc_dolphin_T_t_ds_resources_un;
+delimiter d//
+CREATE PROCEDURE uc_dolphin_T_t_ds_resources_un()
+BEGIN
+    IF NOT EXISTS (
+            SELECT * FROM information_schema.KEY_COLUMN_USAGE
+            WHERE  TABLE_NAME = 't_ds_resources'
+              AND CONSTRAINT_NAME = 't_ds_resources_un'
+        )
+    THEN
+        ALTER TABLE t_ds_resources ADD CONSTRAINT t_ds_resources_un UNIQUE KEY (full_name,`type`);
+    END IF;
+END;
+
+d//
+
+delimiter ;
+CALL uc_dolphin_T_t_ds_resources_un();
+DROP PROCEDURE IF EXISTS uc_dolphin_T_t_ds_resources_un;
+
+
+
diff --git a/sql/upgrade/1.3.3_schema/postgresql/dolphinscheduler_ddl.sql b/sql/upgrade/1.3.3_schema/postgresql/dolphinscheduler_ddl.sql
index 52045f61f08c139789661d89a1969fd2fd7a9091..e2767617df81c990b80d42203f15eb0c3cf020ce 100644
--- a/sql/upgrade/1.3.3_schema/postgresql/dolphinscheduler_ddl.sql
+++ b/sql/upgrade/1.3.3_schema/postgresql/dolphinscheduler_ddl.sql
@@ -79,4 +79,30 @@ d//
 
 delimiter ;
 SELECT ct_dolphin_T_t_ds_process_definition_version();
-DROP FUNCTION IF EXISTS ct_dolphin_T_t_ds_process_definition_version();
\ No newline at end of file
+DROP FUNCTION IF EXISTS ct_dolphin_T_t_ds_process_definition_version();
+
+
+
+
+--  add t_ds_resources_un
+CREATE OR REPLACE FUNCTION uc_dolphin_T_t_ds_resources_un() RETURNS void AS $$
+BEGIN
+    IF NOT EXISTS (
+                    SELECT 1 FROM information_schema.KEY_COLUMN_USAGE
+                    WHERE  TABLE_NAME = 't_ds_resources'
+                    AND CONSTRAINT_NAME = 't_ds_resources_un'
+                )
+    THEN
+ALTER TABLE t_ds_resources ADD CONSTRAINT t_ds_resources_un UNIQUE (full_name,"type");
+END IF;
+END;
+$$ LANGUAGE plpgsql;
+
+SELECT uc_dolphin_T_t_ds_resources_un();
+DROP FUNCTION IF EXISTS uc_dolphin_T_t_ds_resources_un();
+
+
+
+
+
+