diff --git a/api/core/model_runtime/entities/message_entities.py b/api/core/model_runtime/entities/message_entities.py
index 9235c881e0..89dae2dbff 100644
--- a/api/core/model_runtime/entities/message_entities.py
+++ b/api/core/model_runtime/entities/message_entities.py
@@ -74,7 +74,7 @@ class TextPromptMessageContent(PromptMessageContent):
     Model class for text prompt message content.
     """
 
-    type: Literal[PromptMessageContentType.TEXT] = PromptMessageContentType.TEXT
+    type: Literal[PromptMessageContentType.TEXT] = PromptMessageContentType.TEXT  # type: ignore
     data: str
 
 
@@ -95,11 +95,11 @@ class MultiModalPromptMessageContent(PromptMessageContent):
 
 
 class VideoPromptMessageContent(MultiModalPromptMessageContent):
-    type: Literal[PromptMessageContentType.VIDEO] = PromptMessageContentType.VIDEO
+    type: Literal[PromptMessageContentType.VIDEO] = PromptMessageContentType.VIDEO  # type: ignore
 
 
 class AudioPromptMessageContent(MultiModalPromptMessageContent):
-    type: Literal[PromptMessageContentType.AUDIO] = PromptMessageContentType.AUDIO
+    type: Literal[PromptMessageContentType.AUDIO] = PromptMessageContentType.AUDIO  # type: ignore
 
 
 class ImagePromptMessageContent(MultiModalPromptMessageContent):
@@ -111,12 +111,12 @@ class ImagePromptMessageContent(MultiModalPromptMessageContent):
         LOW = auto()
         HIGH = auto()
 
-    type: Literal[PromptMessageContentType.IMAGE] = PromptMessageContentType.IMAGE
+    type: Literal[PromptMessageContentType.IMAGE] = PromptMessageContentType.IMAGE  # type: ignore
     detail: DETAIL = DETAIL.LOW
 
 
 class DocumentPromptMessageContent(MultiModalPromptMessageContent):
-    type: Literal[PromptMessageContentType.DOCUMENT] = PromptMessageContentType.DOCUMENT
+    type: Literal[PromptMessageContentType.DOCUMENT] = PromptMessageContentType.DOCUMENT  # type: ignore
 
 
 PromptMessageContentUnionTypes = Annotated[
diff --git a/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenizer.py b/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenizer.py
index 23d36c03af..3967acf07b 100644
--- a/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenizer.py
+++ b/api/core/model_runtime/model_providers/__base/tokenizers/gpt2_tokenizer.py
@@ -15,7 +15,7 @@ class GPT2Tokenizer:
         use gpt2 tokenizer to get num tokens
         """
         _tokenizer = GPT2Tokenizer.get_encoder()
-        tokens = _tokenizer.encode(text)
+        tokens = _tokenizer.encode(text)  # type: ignore
         return len(tokens)
 
     @staticmethod
diff --git a/api/core/model_runtime/utils/encoders.py b/api/core/model_runtime/utils/encoders.py
index c758eaf49f..c85152463e 100644
--- a/api/core/model_runtime/utils/encoders.py
+++ b/api/core/model_runtime/utils/encoders.py
@@ -196,15 +196,15 @@ def jsonable_encoder(
             return encoder(obj)
 
     try:
-        data = dict(obj)
+        data = dict(obj)  # type: ignore
     except Exception as e:
         errors: list[Exception] = []
         errors.append(e)
         try:
-            data = vars(obj)
+            data = vars(obj)  # type: ignore
         except Exception as e:
             errors.append(e)
-            raise ValueError(errors) from e
+            raise ValueError(str(errors)) from e
     return jsonable_encoder(
         data,
         by_alias=by_alias,
diff --git a/api/pyrightconfig.json b/api/pyrightconfig.json
index 1e6cd501ad..23db443a39 100644
--- a/api/pyrightconfig.json
+++ b/api/pyrightconfig.json
@@ -7,7 +7,6 @@
     "core/rag",
     "extensions",
     "core/ops",
-    "core/model_runtime",
     "core/workflow/nodes",
     "core/app/app_config/easy_ui_based_app/dataset"
   ],
@@ -37,4 +36,4 @@
   "reportAttributeAccessIssue": "hint",
   "pythonVersion": "3.11",
   "pythonPlatform": "All"
-}
+}
\ No newline at end of file