Feat: allow initialize Redis without password (#10856)

### What problem does this PR solve?

Allow initialize Redis without password.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

api/apps/llm_app.py

@@ -264,7 +264,7 @@ def add_llm():
         try:
             image_data = test_image
             m, tc = mdl.describe(image_data)
-            if not m and not tc:
+            if not tc and m.find("**ERROR**:") >= 0:
                 raise Exception(m)
         except Exception as e:
             msg += f"\nFail to access model({factory}/{mdl_nm})." + str(e)

rag/llm/cv_model.py

@@ -526,7 +526,7 @@ class OllamaCV(Base):
         try:
             response = self.client.generate(
                 model=self.model_name,
-                prompt=prompt[0]["content"][0]["text"],
+                prompt=prompt[0]["content"],
                 images=[image],
             )
             ans = response["response"].strip()

rag/settings.py

@@ -54,8 +54,10 @@ elif STORAGE_IMPL_TYPE == 'OSS':
 try:
     REDIS = decrypt_database_config(name="redis")
 except Exception:
+    try:
+        REDIS = get_base_config("redis", {})
+    except Exception:
         REDIS = {}
-    pass
 DOC_MAXIMUM_SIZE = int(os.environ.get("MAX_CONTENT_LENGTH", 128 * 1024 * 1024))
 DOC_BULK_SIZE = int(os.environ.get("DOC_BULK_SIZE", 4))
 EMBEDDING_BATCH_SIZE = int(os.environ.get("EMBEDDING_BATCH_SIZE", 16))