diff --git a/apps/models_provider/tools.py b/apps/models_provider/tools.py
index 9b94d7800c5..f503e4f1f78 100644
--- a/apps/models_provider/tools.py
+++ b/apps/models_provider/tools.py
@@ -115,6 +115,7 @@ def get_model_by_id(_id, workspace_id):
         raise Exception(_("Model does not exist"))
     return model
 
+
 def get_model_default_params(model):
     def convert_to_int(value):
         if isinstance(value, str):
@@ -127,10 +128,18 @@ def convert_to_int(value):
     return {
         p.get('field'): convert_to_int(p.get('default_value'))
         for p in model.model_params_form
-        if p.get('default_value') is not None
     }
 
 
+def reset_model_params(default_model_params, **kwargs):
+    result = {}
+    for key, value in default_model_params.items():
+        _value = kwargs.get(key) if kwargs.get(key) is not None else default_model_params.get(key)
+        if _value is not None:
+            result[key] = _value
+    return result
+
+
 def get_model_instance_by_model_workspace_id(model_id, workspace_id, **kwargs):
     """
     获取模型实例,根据模型相关数据
@@ -139,5 +148,6 @@ def get_model_instance_by_model_workspace_id(model_id, workspace_id, **kwargs):
     @return:                模型实例
     """
     model = get_model_by_id(model_id, workspace_id)
-    s = get_model_default_params(model)
-    return ModelManage.get_model(model_id, lambda _id: get_model(model, **{**s, **kwargs}))
+    default_model_params = get_model_default_params(model)
+    model_params = reset_model_params(default_model_params, **kwargs)
+    return ModelManage.get_model(model_id, lambda _id: get_model(model, **model_params))