diff --git a/api/core/workflow/nodes/document_extractor/node.py b/api/core/workflow/nodes/document_extractor/node.py
index 23512c8ce..a61e6ba4a 100644
--- a/api/core/workflow/nodes/document_extractor/node.py
+++ b/api/core/workflow/nodes/document_extractor/node.py
@@ -168,7 +168,57 @@ def _extract_text_by_mime_type(*, file_content: bytes, mime_type: str) -> str:
 def _extract_text_by_file_extension(*, file_content: bytes, file_extension: str) -> str:
     """Extract text from a file based on its file extension."""
     match file_extension:
-        case ".txt" | ".markdown" | ".md" | ".html" | ".htm" | ".xml":
+        case (
+            ".txt"
+            | ".markdown"
+            | ".md"
+            | ".html"
+            | ".htm"
+            | ".xml"
+            | ".c"
+            | ".h"
+            | ".cpp"
+            | ".hpp"
+            | ".cc"
+            | ".cxx"
+            | ".c++"
+            | ".py"
+            | ".js"
+            | ".ts"
+            | ".jsx"
+            | ".tsx"
+            | ".java"
+            | ".php"
+            | ".rb"
+            | ".go"
+            | ".rs"
+            | ".swift"
+            | ".kt"
+            | ".scala"
+            | ".sh"
+            | ".bash"
+            | ".bat"
+            | ".ps1"
+            | ".sql"
+            | ".r"
+            | ".m"
+            | ".pl"
+            | ".lua"
+            | ".vim"
+            | ".asm"
+            | ".s"
+            | ".css"
+            | ".scss"
+            | ".less"
+            | ".sass"
+            | ".ini"
+            | ".cfg"
+            | ".conf"
+            | ".toml"
+            | ".env"
+            | ".log"
+            | ".vtt"
+        ):
             return _extract_text_from_plain_text(file_content)
         case ".json":
             return _extract_text_from_json(file_content)
@@ -194,8 +244,6 @@ def _extract_text_by_file_extension(*, file_content: bytes, file_extension: str)
             return _extract_text_from_eml(file_content)
         case ".msg":
             return _extract_text_from_msg(file_content)
-        case ".vtt":
-            return _extract_text_from_vtt(file_content)
         case ".properties":
             return _extract_text_from_properties(file_content)
         case _:
diff --git a/web/app/components/workflow/nodes/_base/components/before-run-form/form-item.tsx b/web/app/components/workflow/nodes/_base/components/before-run-form/form-item.tsx
index 430359b84..c3f4f31ea 100644
--- a/web/app/components/workflow/nodes/_base/components/before-run-form/form-item.tsx
+++ b/web/app/components/workflow/nodes/_base/components/before-run-form/form-item.tsx
@@ -181,7 +181,7 @@ const FormItem: FC<Props> = ({
             value={singleFileValue}
             onChange={handleSingleFileChange}
             fileConfig={{
-              allowed_file_types: inStepRun
+              allowed_file_types: inStepRun && (!payload.allowed_file_types || payload.allowed_file_types.length === 0)
                 ? [
                   SupportUploadFileTypes.image,
                   SupportUploadFileTypes.document,
@@ -189,7 +189,7 @@ const FormItem: FC<Props> = ({
                   SupportUploadFileTypes.video,
                 ]
                 : payload.allowed_file_types,
-              allowed_file_extensions: inStepRun
+              allowed_file_extensions: inStepRun && (!payload.allowed_file_extensions || payload.allowed_file_extensions.length === 0)
                 ? [
                   ...FILE_EXTS[SupportUploadFileTypes.image],
                   ...FILE_EXTS[SupportUploadFileTypes.document],
@@ -208,7 +208,7 @@ const FormItem: FC<Props> = ({
             value={value}
             onChange={files => onChange(files)}
             fileConfig={{
-              allowed_file_types: (inStepRun || isIteratorItemFile)
+              allowed_file_types: (inStepRun || isIteratorItemFile) && (!payload.allowed_file_types || payload.allowed_file_types.length === 0)
                 ? [
                   SupportUploadFileTypes.image,
                   SupportUploadFileTypes.document,
@@ -216,7 +216,7 @@ const FormItem: FC<Props> = ({
                   SupportUploadFileTypes.video,
                 ]
                 : payload.allowed_file_types,
-              allowed_file_extensions: (inStepRun || isIteratorItemFile)
+              allowed_file_extensions: (inStepRun || isIteratorItemFile) && (!payload.allowed_file_extensions || payload.allowed_file_extensions.length === 0)
                 ? [
                   ...FILE_EXTS[SupportUploadFileTypes.image],
                   ...FILE_EXTS[SupportUploadFileTypes.document],