Fixbug: UI error if oss cfg is none (#210)

* Fixbug: when oss cfg is none

* Fixbug

src/pai_rag/app/web/view_model.py

@@ -444,13 +444,13 @@ def to_app_config(self):
             config["llm"]["multi_modal"]["name"] = self.mllm_api_model_name
 
         config["oss_store"]["enable"] = self.use_oss
-        if os.getenv("OSS_ACCESS_KEY_ID") is None:
+        if os.getenv("OSS_ACCESS_KEY_ID") is None and self.oss_ak:
             os.environ["OSS_ACCESS_KEY_ID"] = self.oss_ak
-        if os.getenv("OSS_ACCESS_KEY_SECRET") is None:
+        if os.getenv("OSS_ACCESS_KEY_SECRET") is None and self.oss_sk:
             os.environ["OSS_ACCESS_KEY_SECRET"] = self.oss_sk
-        if "***" not in self.oss_ak:
+        if self.oss_ak and "***" not in self.oss_ak:
             config["oss_store"]["ak"] = self.oss_ak
-        if "***" not in self.oss_sk:
+        if self.oss_sk and "***" not in self.oss_sk:
             config["oss_store"]["sk"] = self.oss_sk
         config["oss_store"]["endpoint"] = self.oss_endpoint
         config["oss_store"]["bucket"] = self.oss_bucket

src/pai_rag/config/settings_multi_modal.toml

@@ -71,7 +71,7 @@ name = "qwen-turbo"
 source = ""
 
 [rag.llm.multi_modal]
-enable = true
+enable = false
 source = "DashScope"
 name = "qwen-vl-max"
 
@@ -89,7 +89,7 @@ chunk_size = 500
 chunk_overlap = 10
 
 [rag.oss_store]
-enable = true
+enable = false
 bucket = ""
 endpoint = ""
 prefix = ""