diff --git a/api/core/datasource/entities/datasource_entities.py b/api/core/datasource/entities/datasource_entities.py
index 22ec5c3d23..6a9fc5d9f9 100644
--- a/api/core/datasource/entities/datasource_entities.py
+++ b/api/core/datasource/entities/datasource_entities.py
@@ -15,7 +15,7 @@ from core.plugin.entities.parameters import (
     init_frontend_parameter,
 )
 from core.tools.entities.common_entities import I18nObject
-from core.tools.entities.tool_entities import ToolLabelEnum, ToolProviderEntity
+from core.tools.entities.tool_entities import ToolLabelEnum
 
 
 class DatasourceProviderType(enum.StrEnum):
@@ -124,13 +124,13 @@ class DatasourceEntity(BaseModel):
     identity: DatasourceIdentity
     parameters: list[DatasourceParameter] = Field(default_factory=list)
     description: I18nObject = Field(..., description="The label of the datasource")
-    output_schema: Optional[dict] = None
 
     @field_validator("parameters", mode="before")
     @classmethod
     def set_parameters(cls, v, validation_info: ValidationInfo) -> list[DatasourceParameter]:
         return v or []
 
+
 class DatasourceProviderIdentity(BaseModel):
     author: str = Field(..., description="The author of the tool")
     name: str = Field(..., description="The name of the tool")
@@ -142,11 +142,12 @@ class DatasourceProviderIdentity(BaseModel):
         description="The tags of the tool",
     )
 
-    
+
 class DatasourceProviderEntity(BaseModel):
     """
     Datasource provider entity
     """
+
     identity: DatasourceProviderIdentity
     credentials_schema: list[ProviderConfig] = Field(default_factory=list)
     oauth_schema: Optional[OAuthSchema] = None
@@ -212,7 +213,6 @@ class GetOnlineDocumentPagesRequest(BaseModel):
     """
 
 
-
 class OnlineDocumentPageIcon(BaseModel):
     """
     Online document page icon
@@ -284,6 +284,7 @@ class GetWebsiteCrawlRequest(BaseModel):
     """
     Get website crawl request
     """
+
     crawl_parameters: dict = Field(..., description="The crawl parameters")
 
 
diff --git a/api/core/plugin/impl/datasource.py b/api/core/plugin/impl/datasource.py
index 430a9a6c01..aa8b1ad4d6 100644
--- a/api/core/plugin/impl/datasource.py
+++ b/api/core/plugin/impl/datasource.py
@@ -1,4 +1,5 @@
-from typing import Any, Mapping
+from collections.abc import Mapping
+from typing import Any
 
 from core.datasource.entities.api_entities import DatasourceProviderApiEntity
 from core.datasource.entities.datasource_entities import (
@@ -63,7 +64,7 @@ class PluginDatasourceManager(BasePluginClient):
 
         response = self._request_with_plugin_daemon_response(
             "GET",
-            f"plugin/{tenant_id}/management/datasources",
+            f"plugin/{tenant_id}/management/datasource",
             PluginDatasourceProviderEntity,
             params={"provider": tool_provider_id.provider_name, "plugin_id": tool_provider_id.plugin_id},
             transformer=transformer,
diff --git a/api/services/rag_pipeline/rag_pipeline.py b/api/services/rag_pipeline/rag_pipeline.py
index 08bb10b5d4..5a69e69a16 100644
--- a/api/services/rag_pipeline/rag_pipeline.py
+++ b/api/services/rag_pipeline/rag_pipeline.py
@@ -12,7 +12,11 @@ from sqlalchemy.orm import Session
 
 import contexts
 from configs import dify_config
-from core.datasource.entities.datasource_entities import DatasourceProviderType, GetOnlineDocumentPagesRequest, GetOnlineDocumentPagesResponse, GetWebsiteCrawlRequest, GetWebsiteCrawlResponse
+from core.datasource.entities.datasource_entities import (
+    DatasourceProviderType,
+    GetOnlineDocumentPagesResponse,
+    GetWebsiteCrawlResponse,
+)
 from core.datasource.online_document.online_document_plugin import OnlineDocumentDatasourcePlugin
 from core.datasource.website_crawl.website_crawl_plugin import WebsiteCrawlDatasourcePlugin
 from core.model_runtime.utils.encoders import jsonable_encoder