update tongyi,bedrock define

ai-provider/model-runtime/model-providers/bedrock/bedrock.yaml

@@ -89,7 +89,7 @@ provider_credential_schema:
         zh_Hans: 为了进行验证，请输入一个您可用的模型名称 (例如：amazon.titan-text-lite-v1)
 model_config:
   access_configuration_status: true
-  access_configuration_demo: "{}"
+  access_configuration_demo: "{\"region\":\"\",\"model\":\"\"}"
 address: https://bedrock-runtime.amazonaws.com
 sort: 4
 recommend: true

ai-provider/model-runtime/model-providers/tongyi/tongyi.yaml

@@ -29,7 +29,7 @@ provider_credential_schema:
       placeholder:
         zh_Hans: 在此输入您的 API Key
         en_US: Enter your API Key
-    - variable: base_url
+    - variable: dashscope_api_base
       label:
         en_US: https://dashscope.aliyuncs.com/compatible-mode/v1
       type: text-input