diff --git a/api/configs/feature/__init__.py b/api/configs/feature/__init__.py
index f9c1bd422..d8ab74956 100644
--- a/api/configs/feature/__init__.py
+++ b/api/configs/feature/__init__.py
@@ -331,7 +331,7 @@ class MailConfig(BaseModel):
 
     SMTP_PORT: Optional[int] = Field(
         description='smtp server port',
-        default=None,
+        default=465,
     )
 
     SMTP_USERNAME: Optional[str] = Field(
diff --git a/api/configs/middleware/vdb/oracle_config.py b/api/configs/middleware/vdb/oracle_config.py
index e5c479a66..941d63cb7 100644
--- a/api/configs/middleware/vdb/oracle_config.py
+++ b/api/configs/middleware/vdb/oracle_config.py
@@ -15,7 +15,7 @@ class OracleConfig(BaseModel):
 
     ORACLE_PORT: Optional[PositiveInt] = Field(
         description='ORACLE port',
-        default=None,
+        default=1521,
     )
 
     ORACLE_USER: Optional[str] = Field(
diff --git a/api/configs/middleware/vdb/pgvector_config.py b/api/configs/middleware/vdb/pgvector_config.py
index c544a8403..ff288c624 100644
--- a/api/configs/middleware/vdb/pgvector_config.py
+++ b/api/configs/middleware/vdb/pgvector_config.py
@@ -15,7 +15,7 @@ class PGVectorConfig(BaseModel):
 
     PGVECTOR_PORT: Optional[PositiveInt] = Field(
         description='PGVector port',
-        default=None,
+        default=5433,
     )
 
     PGVECTOR_USER: Optional[str] = Field(
diff --git a/api/configs/middleware/vdb/pgvectors_config.py b/api/configs/middleware/vdb/pgvectors_config.py
index 78cb4e570..a7a1ea5b4 100644
--- a/api/configs/middleware/vdb/pgvectors_config.py
+++ b/api/configs/middleware/vdb/pgvectors_config.py
@@ -15,7 +15,7 @@ class PGVectoRSConfig(BaseModel):
 
     PGVECTO_RS_PORT: Optional[PositiveInt] = Field(
         description='PGVectoRS port',
-        default=None,
+        default=5431,
     )
 
     PGVECTO_RS_USER: Optional[str] = Field(
diff --git a/api/configs/middleware/vdb/tidb_vector_config.py b/api/configs/middleware/vdb/tidb_vector_config.py
index 53f985e38..1360dfd7f 100644
--- a/api/configs/middleware/vdb/tidb_vector_config.py
+++ b/api/configs/middleware/vdb/tidb_vector_config.py
@@ -15,7 +15,7 @@ class TiDBVectorConfig(BaseModel):
 
     TIDB_VECTOR_PORT: Optional[PositiveInt] = Field(
         description='TiDB Vector port',
-        default=None,
+        default=4000,
     )
 
     TIDB_VECTOR_USER: Optional[str] = Field(