diff --git a/platform-core/src/main/java/com/webank/wecube/platform/core/service/plugin/PluginInstanceService.java b/platform-core/src/main/java/com/webank/wecube/platform/core/service/plugin/PluginInstanceService.java
index 6a7635a67602bd16d4783a533a91263b6ebbd06e..9d66e09aab8e81eb4128807acec6469e3cfcf87b 100644
--- a/platform-core/src/main/java/com/webank/wecube/platform/core/service/plugin/PluginInstanceService.java
+++ b/platform-core/src/main/java/com/webank/wecube/platform/core/service/plugin/PluginInstanceService.java
@@ -325,10 +325,11 @@ public class PluginInstanceService {
                 .getResourceServer();
         String password = mysqlInstance.getPassword();
         if (password.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-            password = EncryptionUtils.decryptWithAes(
-                    password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                    resourceProperties.getPasswordEncryptionSeed(), mysqlInstance.getSchemaName());
+            password = password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
         }
+        password = EncryptionUtils.decryptWithAes(
+                password,
+                resourceProperties.getPasswordEncryptionSeed(), mysqlInstance.getSchemaName());
         DriverManagerDataSource dataSource = new DriverManagerDataSource(
                 "jdbc:mysql://" + dbServer.getHost() + ":" + dbServer.getPort() + "/" + mysqlInstance.getSchemaName()
                         + "?characterEncoding=utf8&serverTimezone=UTC",
@@ -567,11 +568,12 @@ public class PluginInstanceService {
 
             String password = dbInfo.getPassword();
             if (password.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-
-                password = EncryptionUtils.decryptWithAes(
-                        password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                        resourceProperties.getPasswordEncryptionSeed(), dbInfo.getSchema());
+                password = password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
             }
+            
+            password = EncryptionUtils.decryptWithAes(
+                    password,
+                    resourceProperties.getPasswordEncryptionSeed(), dbInfo.getSchema());
 
             envVariablesString = envVariablesString.replace("{{DB_HOST}}", dbInfo.getHost())
                     .replace("{{DB_PORT}}", dbInfo.getPort()).replace("{{DB_SCHEMA}}", dbInfo.getSchema())
@@ -656,10 +658,12 @@ public class PluginInstanceService {
 
         String password = mysqlInstance.getPassword();
         if (password.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-            password = EncryptionUtils.decryptWithAes(
-                    password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                    resourceProperties.getPasswordEncryptionSeed(), mysqlInstance.getSchemaName());
+            password = password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
         }
+        
+        password = EncryptionUtils.decryptWithAes(
+                password,
+                resourceProperties.getPasswordEncryptionSeed(), mysqlInstance.getSchemaName());
 
         DriverManagerDataSource dataSource = new DriverManagerDataSource(
                 "jdbc:mysql://" + dbServer.getHost() + ":" + dbServer.getPort() + "/" + mysqlInstance.getSchemaName()
@@ -780,15 +784,14 @@ public class PluginInstanceService {
 
         logger.info("scp from local:{} to remote: {}", tmpFilePath, pluginProperties.getPluginDeployPath());
         try {
-            String password = null;
             String dbPassword = hostInfo.getLoginPassword();
             if (dbPassword.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-                password = EncryptionUtils.decryptWithAes(
-                        dbPassword.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                        resourceProperties.getPasswordEncryptionSeed(), hostInfo.getName());
-            } else {
-                password = dbPassword;
+                dbPassword = dbPassword.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
             }
+            
+            String password = EncryptionUtils.decryptWithAes(
+                    dbPassword,
+                    resourceProperties.getPasswordEncryptionSeed(), hostInfo.getName());
             scpService.put(hostIp, Integer.valueOf(hostInfo.getPort()), hostInfo.getLoginUsername(), password,
                     tmpFilePath, pluginProperties.getPluginDeployPath());
         } catch (Exception e) {
diff --git a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlAccountManagementService.java b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlAccountManagementService.java
index 8051c21f8cceabdccc3127d156c19b974f01131d..512cde836659a5a1afe82b39adb227f6188ecd65 100644
--- a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlAccountManagementService.java
+++ b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlAccountManagementService.java
@@ -59,12 +59,12 @@ public class MysqlAccountManagementService implements ResourceItemService {
             log.info("password before decrypt={}", password);
             String rawPassword = null;
             if (password.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-                rawPassword = EncryptionUtils.decryptWithAes(
-                        password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                        resourceProperties.getPasswordEncryptionSeed(), item.getName());
-            } else {
-                rawPassword = password;
+                password = password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
             }
+            
+            rawPassword = EncryptionUtils.decryptWithAes(
+                    password,
+                    resourceProperties.getPasswordEncryptionSeed(), item.getName());
             statement.executeUpdate(String.format("CREATE USER `%s` IDENTIFIED BY '%s'", username, rawPassword));
             statement.executeUpdate(String.format("GRANT ALL ON %s.* TO %s@'%%' IDENTIFIED BY '%s'", item.getName(),
                     username, rawPassword));
@@ -93,12 +93,12 @@ public class MysqlAccountManagementService implements ResourceItemService {
         try {
             String dbPassword = item.getResourceServer().getLoginPassword();
             if (dbPassword.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-                password = EncryptionUtils.decryptWithAes(
-                        dbPassword.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                        resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
-            } else {
-                password = dbPassword;
+                dbPassword = dbPassword.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
             }
+            
+            password = EncryptionUtils.decryptWithAes(
+                    dbPassword,
+                    resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
         } catch (Exception e) {
             throw new WecubeCoreException("3243",
                     String.format("Failed to decrypt the login password of server [%s].", item.getResourceServer()), e);
diff --git a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlDatabaseManagementService.java b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlDatabaseManagementService.java
index afbdd0e23ceef946eb0e89884c9bf66fa5918be6..745646cd18efd6d1cb8dcb67e1808a10b6792420 100644
--- a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlDatabaseManagementService.java
+++ b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/MysqlDatabaseManagementService.java
@@ -53,10 +53,12 @@ public class MysqlDatabaseManagementService implements ResourceItemService {
     private DriverManagerDataSource newDatasource(ResourceItem item) {
         String password = item.getResourceServer().getLoginPassword();
         if (password.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-            password = EncryptionUtils.decryptWithAes(
-                    password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                    resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
+            password = password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
         }
+        
+        password = EncryptionUtils.decryptWithAes(
+                password,
+                resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
         DriverManagerDataSource dataSource = newMysqlDatasource(item.getResourceServer().getHost(),
                 item.getResourceServer().getPort(), item.getResourceServer().getLoginUsername(), password);
         log.info(String.format("Created new data source [host:%s,port:%s,username:%s]",
diff --git a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/ResourceDataQueryService.java b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/ResourceDataQueryService.java
index 452f289275210a6dff0294dc053a5ae2fccfe709..6a40a742c17d9de32670c8987fe463234617b236 100644
--- a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/ResourceDataQueryService.java
+++ b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/ResourceDataQueryService.java
@@ -296,10 +296,12 @@ public class ResourceDataQueryService {
         String dbUsername = pluginMysqlInstance.getUsername();
         String password = pluginMysqlInstance.getPassword();
         if (password.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-            password = EncryptionUtils.decryptWithAes(
-                    password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                    resourceProperties.getPasswordEncryptionSeed(), dbUsername);
+            password = password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
         }
+        
+        password = EncryptionUtils.decryptWithAes(
+                password,
+                resourceProperties.getPasswordEncryptionSeed(), dbUsername);
 
         ResourceItem resourceItem = pluginMysqlInstance.getResourceItem();
         if (resourceItem == null) {
diff --git a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/S3BucketManagementService.java b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/S3BucketManagementService.java
index 941537f952b8a83ea9986d5fa3d1f41009f8aba1..e563b14f6d7ffc87d7eec4d0da9bbd9b4f490268 100644
--- a/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/S3BucketManagementService.java
+++ b/platform-core/src/main/java/com/webank/wecube/platform/core/service/resource/S3BucketManagementService.java
@@ -37,14 +37,13 @@ public class S3BucketManagementService implements ResourceItemService {
     @Override
     public ResourceItem createItem(ResourceItem item) {
         String dbPassword = item.getResourceServer().getLoginPassword();
-        String password = null;
         if (dbPassword.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-            password = EncryptionUtils.decryptWithAes(
-                    dbPassword.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                    resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
-        } else {
-            password = dbPassword;
+            dbPassword = dbPassword.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
         }
+        
+        String password = EncryptionUtils.decryptWithAes(
+                dbPassword,
+                resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
         AmazonS3 amazonS3 = newS3Client(item.getResourceServer().getHost(), item.getResourceServer().getPort(),
                 item.getResourceServer().getLoginUsername(), password);
 
@@ -62,10 +61,12 @@ public class S3BucketManagementService implements ResourceItemService {
     public void deleteItem(ResourceItem item) {
         String password = item.getResourceServer().getLoginPassword();
         if (password.startsWith(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX)) {
-            password = EncryptionUtils.decryptWithAes(
-                    password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length()),
-                    resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
+            password = password.substring(ResourceManagementService.PASSWORD_ENCRYPT_AES_PREFIX.length());
         }
+        
+        password = EncryptionUtils.decryptWithAes(
+                password,
+                resourceProperties.getPasswordEncryptionSeed(), item.getResourceServer().getName());
         AmazonS3 amazonS3 = newS3Client(item.getResourceServer().getHost(), item.getResourceServer().getPort(),
                 item.getResourceServer().getLoginUsername(), password);