diff --git a/agent/component/browser.py b/agent/component/browser.py
index 7734722a43..4ec8ad290e 100644
--- a/agent/component/browser.py
+++ b/agent/component/browser.py
@@ -395,7 +395,7 @@ class Browser(ComponentBase, ABC):
 
         chat_model_config = get_model_config_from_provider_instance(
             self._canvas.get_tenant_id(),
-            get_model_type_by_name(self._param.llm_id),
+            get_model_type_by_name(self._canvas.get_tenant_id(), self._param.llm_id),
             self._param.llm_id,
         )
         cfg = self._as_model_config_dict(chat_model_config)
diff --git a/api/apps/restful_apis/provider_api.py b/api/apps/restful_apis/provider_api.py
index d27e6042ec..1292677154 100644
--- a/api/apps/restful_apis/provider_api.py
+++ b/api/apps/restful_apis/provider_api.py
@@ -335,10 +335,9 @@ async def create_provider_instance(tenant_id: str = None, provider_name: str = N
     api_key = data["api_key"]
     base_url = data.get("base_url", "")
     region = data.get("region", "")
-    verify = data.get("verify", False)
 
     try:
-        success, msg = await provider_api_service.create_provider_instance(tenant_id, provider_name, instance_name, api_key, base_url, region, verify)
+        success, msg = await provider_api_service.create_provider_instance(tenant_id, provider_name, instance_name, api_key, base_url, region)
         if success:
             return get_result(message=msg)
         else:
@@ -396,8 +395,10 @@ async def verify_provider_api_key(provider_name: str = None):
 
     base_url = data.get("base_url", "")
     api_key = data["api_key"]
+    region = data.get("region", "default")
+
     try:
-        success, msg = await provider_api_service.verify_api_key(provider_name, api_key, base_url)
+        success, msg = await provider_api_service.verify_api_key(provider_name, api_key, base_url, region)
         if success:
             return get_result(message=msg)
         else:
diff --git a/api/apps/services/provider_api_service.py b/api/apps/services/provider_api_service.py
index 214757d142..4a025d0261 100644
--- a/api/apps/services/provider_api_service.py
+++ b/api/apps/services/provider_api_service.py
@@ -45,6 +45,8 @@ def list_providers(tenant_id: str, all_available: bool = False):
     if all_available:
         providers = []
         for factory_info in FACTORY_LLM_INFOS:
+            if factory_info["name"] in ["Youdao", "FastEmbed", "BAAI", "Builtin", "siliconflow_intl"]:
+                continue
             model_types = sorted(set(
                 llm["model_type"]
                 for llm in factory_info.get("llm", [])
@@ -66,7 +68,7 @@ def list_providers(tenant_id: str, all_available: bool = False):
     providers = []
     factory_info_mapping = {f["name"]: f for f in FACTORY_LLM_INFOS}
     for name in factory_names:
-        if factory_info_mapping.get(name):
+        if name not in ["Youdao", "FastEmbed", "BAAI", "Builtin", "siliconflow_intl"] and factory_info_mapping.get(name):
             factory_info = factory_info_mapping[name]
             model_types = sorted(set(
                 llm["model_type"]
@@ -207,7 +209,7 @@ def show_provider_model(provider_name: str, model_name: str):
     }
 
 
-async def create_provider_instance(tenant_id: str, provider_name: str, instance_name: str, api_key: str, base_url: str, region: str, verify: bool):
+async def create_provider_instance(tenant_id: str, provider_name: str, instance_name: str, api_key: str, base_url: str, region: str):
     """
     Create a provider instance.
 
@@ -220,7 +222,6 @@ async def create_provider_instance(tenant_id: str, provider_name: str, instance_
     :param api_key: API key
     :param base_url: base url
     :param region: region
-    :param verify: verify
     :return: (success, result_or_error_message)
     """
     if not provider_name:
@@ -242,10 +243,9 @@ async def create_provider_instance(tenant_id: str, provider_name: str, instance_
         same_key_instance = TenantModelInstanceService.get_by_provider_id_and_api_key(provider_obj.id, api_key)
         if same_key_instance:
             return False, f"Already exist instance: {same_key_instance.instance_name} with api_key {api_key}"
-        if verify:
-            success, msg = await verify_api_key(provider_name, api_key, base_url)
-            if not success:
-                return False, msg
+    success, msg = await verify_api_key(provider_name, api_key, base_url, region)
+    if not success:
+        return False, msg
 
     import json
     extra_fields = {}
@@ -293,19 +293,25 @@ def list_provider_instances(tenant_id: str, provider_name: str):
     return True, active_instances + inactive_instances
 
 
-async def verify_api_key(provider_name: str, api_key: str, base_url: str=None):
+async def verify_api_key(provider_name: str, api_key: str, base_url: str=None, region: str=None):
     """
     Verify API key for a provider.
 
     :param provider_name: provider/factory name
     :param api_key: API key
     :param base_url: base url
+    :param region: region
     :return: (success, result_or_error_message)
     """
     if not provider_name:
         return False, "Provider name is required"
 
-    factory_info = [f for f in FACTORY_LLM_INFOS if f["name"] == provider_name]
+    if region and region == "intl" and provider_name.lower() == "siliconflow":
+        target_factory_name = "siliconflow_intl"
+    else:
+        target_factory_name = provider_name
+
+    factory_info = [f for f in FACTORY_LLM_INFOS if f["name"] == target_factory_name]
     if not factory_info:
         return False, f"Provider '{provider_name}' not found"
 
diff --git a/api/db/joint_services/tenant_model_service.py b/api/db/joint_services/tenant_model_service.py
index 28fc959da6..8d5ce767c6 100644
--- a/api/db/joint_services/tenant_model_service.py
+++ b/api/db/joint_services/tenant_model_service.py
@@ -16,6 +16,7 @@
 import logging
 import os
 import enum
+import json
 from common import settings
 from common.constants import LLMType, ActiveStatusEnum
 from api.db.services.tenant_llm_service import TenantLLMService, TenantService
@@ -102,7 +103,6 @@ def get_model_config_from_provider_instance(tenant_id, model_type: str|enum.Enum
         raise LookupError(f"Instance {instance_name} not found for model {model_name}.")
     model_obj = TenantModelService.get_by_provider_id_and_instance_id_and_model_type_and_model_name(provider_obj.id, instance_obj.id, model_type_val, pure_model_name)
 
-    import json
     api_key, is_tool, api_key_payload = TenantLLMService._decode_api_key_config(instance_obj.api_key)
     extra_fields = json.loads(instance_obj.extra) if instance_obj.extra else {}
 
@@ -123,7 +123,12 @@ def get_model_config_from_provider_instance(tenant_id, model_type: str|enum.Enum
 
         return model_config
     else:
-        fac_list = [f for f in settings.FACTORY_LLM_INFOS if f["name"] == provider_name]
+        region = extra_fields.get("region", "default")
+        if region == "intl" and provider_name.lower() == "siliconflow":
+            target_factory_name = "siliconflow_intl"
+        else:
+            target_factory_name = provider_name
+        fac_list = [f for f in settings.FACTORY_LLM_INFOS if f["name"] == target_factory_name]
         if not fac_list:
             raise LookupError(f"Model provider config not found: {provider_name}")
         llm_list = [llm for llm in fac_list[0]["llm"] if llm["llm_name"] == pure_model_name]
@@ -167,7 +172,13 @@ def get_model_type_by_name(tenant_id: str, model_name: str):
         raise LookupError(f"Instance {instance_name} not found for model {model_name}.")
     model_objs = TenantModelService.get_by_provider_id_and_instance_id_and_model_name(provider_obj.id, instance_obj.id, pure_model_name)
     if not model_objs:
-        fac_list = [f for f in settings.FACTORY_LLM_INFOS if f["name"] == provider_name]
+        extra_fields = json.loads(instance_obj.extra) if instance_obj.extra else {}
+        region = extra_fields.get("region", "default")
+        if region == "intl" and provider_name.lower() == "siliconflow":
+            target_factory_name = "siliconflow_intl"
+        else:
+            target_factory_name = provider_name
+        fac_list = [f for f in settings.FACTORY_LLM_INFOS if f["name"] == target_factory_name]
         if not fac_list:
             raise LookupError(f"Model provider config not found: {provider_name}")
         llm_list = [llm for llm in fac_list[0]["llm"] if llm["llm_name"] == pure_model_name]
diff --git a/web/src/interfaces/request/llm.ts b/web/src/interfaces/request/llm.ts
index 932a5b8ef2..d461b3e3c9 100644
--- a/web/src/interfaces/request/llm.ts
+++ b/web/src/interfaces/request/llm.ts
@@ -6,6 +6,7 @@ export interface IAddLlmRequestBody {
   api_key?: string | Record<string, any>;
   max_tokens: number;
   is_tools?: boolean;
+  region?: string;
 }
 
 export interface IDeleteLlmRequestBody {
diff --git a/web/src/pages/user-setting/setting-model/hooks.tsx b/web/src/pages/user-setting/setting-model/hooks.tsx
index 5a530cb462..81f08473f1 100644
--- a/web/src/pages/user-setting/setting-model/hooks.tsx
+++ b/web/src/pages/user-setting/setting-model/hooks.tsx
@@ -105,10 +105,10 @@ export const useSubmitApiKey = () => {
       if (!isVerify) {
         setSaveLoading(true);
       }
-      let apiKey: string | Record<string, any> = postBody.api_key || '';
+      const apiKey: string = postBody.api_key || '';
 
+      let region: string | undefined;
       if (savingParams.llm_factory === LLMFactory.SILICONFLOW) {
-        let sourceFid: string = LLMFactory.SILICONFLOW;
         const baseUrl = postBody.base_url;
         if (baseUrl) {
           try {
@@ -118,13 +118,12 @@ export const useSubmitApiKey = () => {
               host === 'api.siliconflow.com' ||
               host.endsWith('.api.siliconflow.com')
             ) {
-              sourceFid = 'siliconflow_intl';
+              region = 'intl';
             }
           } catch {
-            // ignore invalid URL and keep default sourceFid
+            // ignore invalid URL
           }
         }
-        apiKey = { api_key: postBody.api_key, source_fid: sourceFid };
       }
 
       const req: IAddProviderInstanceRequestBody = {
@@ -136,6 +135,7 @@ export const useSubmitApiKey = () => {
         api_key: apiKey,
         api_base: postBody.base_url || '',
         max_tokens: 0,
+        ...(region ? { region } : {}),
       };
 
       const ret = await submitProviderInstance(req, isVerify);