diff --git a/api/constants/__init__.py b/api/constants/__init__.py
index b5dfd9cb18..9162357466 100644
--- a/api/constants/__init__.py
+++ b/api/constants/__init__.py
@@ -3,6 +3,8 @@ from configs import dify_config
 HIDDEN_VALUE = "[__HIDDEN__]"
 UUID_NIL = "00000000-0000-0000-0000-000000000000"
 
+DEFAULT_FILE_NUMBER_LIMITS = 3
+
 IMAGE_EXTENSIONS = ["jpg", "jpeg", "png", "webp", "gif", "svg"]
 IMAGE_EXTENSIONS.extend([ext.upper() for ext in IMAGE_EXTENSIONS])
 
diff --git a/api/controllers/common/helpers.py b/api/controllers/common/helpers.py
index 2979375169..282708c037 100644
--- a/api/controllers/common/helpers.py
+++ b/api/controllers/common/helpers.py
@@ -10,6 +10,8 @@ from uuid import uuid4
 
 import httpx
 
+from constants import DEFAULT_FILE_NUMBER_LIMITS
+
 try:
     import magic
 except ImportError:
@@ -108,7 +110,7 @@ def get_parameters_from_feature_dict(*, features_dict: Mapping[str, Any], user_i
             {
                 "image": {
                     "enabled": False,
-                    "number_limits": 3,
+                    "number_limits": DEFAULT_FILE_NUMBER_LIMITS,
                     "detail": "high",
                     "transfer_methods": ["remote_url", "local_file"],
                 }
diff --git a/api/core/app/app_config/features/file_upload/manager.py b/api/core/app/app_config/features/file_upload/manager.py
index bcc69e8ec6..40b6c19214 100644
--- a/api/core/app/app_config/features/file_upload/manager.py
+++ b/api/core/app/app_config/features/file_upload/manager.py
@@ -1,6 +1,7 @@
 from collections.abc import Mapping
 from typing import Any
 
+from constants import DEFAULT_FILE_NUMBER_LIMITS
 from core.file import FileUploadConfig
 
 
@@ -18,7 +19,7 @@ class FileUploadConfigManager:
             if file_upload_dict.get("enabled"):
                 transform_methods = file_upload_dict.get("allowed_file_upload_methods", [])
                 file_upload_dict["image_config"] = {
-                    "number_limits": file_upload_dict.get("number_limits", 1),
+                    "number_limits": file_upload_dict.get("number_limits", DEFAULT_FILE_NUMBER_LIMITS),
                     "transfer_methods": transform_methods,
                 }
 
diff --git a/api/models/model.py b/api/models/model.py
index 8262109ba5..dfc1322d92 100644
--- a/api/models/model.py
+++ b/api/models/model.py
@@ -23,6 +23,7 @@ from sqlalchemy import Float, Index, PrimaryKeyConstraint, func, text
 from sqlalchemy.orm import Mapped, Session, mapped_column
 
 from configs import dify_config
+from constants import DEFAULT_FILE_NUMBER_LIMITS
 from core.file import FILE_MODEL_IDENTITY, File, FileTransferMethod, FileType
 from core.file import helpers as file_helpers
 from core.file.tool_file_parser import ToolFileParser
@@ -442,7 +443,7 @@ class AppModelConfig(Base):
             else {
                 "image": {
                     "enabled": False,
-                    "number_limits": 3,
+                    "number_limits": DEFAULT_FILE_NUMBER_LIMITS,
                     "detail": "high",
                     "transfer_methods": ["remote_url", "local_file"],
                 }
diff --git a/api/models/workflow.py b/api/models/workflow.py
index dbcb859823..8b7c376e4b 100644
--- a/api/models/workflow.py
+++ b/api/models/workflow.py
@@ -15,7 +15,7 @@ from sqlalchemy import Index, PrimaryKeyConstraint, func
 from sqlalchemy.orm import Mapped, mapped_column
 
 import contexts
-from constants import HIDDEN_VALUE
+from constants import DEFAULT_FILE_NUMBER_LIMITS, HIDDEN_VALUE
 from core.helper import encrypter
 from core.variables import SecretVariable, Variable
 from factories import variable_factory
@@ -186,7 +186,7 @@ class Workflow(Base):
         features = json.loads(self._features)
         if features.get("file_upload", {}).get("image", {}).get("enabled", False):
             image_enabled = True
-            image_number_limits = int(features["file_upload"]["image"].get("number_limits", 1))
+            image_number_limits = int(features["file_upload"]["image"].get("number_limits", DEFAULT_FILE_NUMBER_LIMITS))
             image_transfer_methods = features["file_upload"]["image"].get(
                 "transfer_methods", ["remote_url", "local_file"]
             )