diff --git a/src/memos/memories/textual/tree_text_memory/retrieve/bochasearch.py b/src/memos/memories/textual/tree_text_memory/retrieve/bochasearch.py
index b11b75ed..31b91477 100644
--- a/src/memos/memories/textual/tree_text_memory/retrieve/bochasearch.py
+++ b/src/memos/memories/textual/tree_text_memory/retrieve/bochasearch.py
@@ -12,7 +12,7 @@
 from memos.embedders.factory import OllamaEmbedder
 from memos.log import get_logger
 from memos.mem_reader.base import BaseMemReader
-from memos.memories.textual.item import TextualMemoryItem
+from memos.memories.textual.item import SourceMessage, TextualMemoryItem
 
 
 logger = get_logger(__name__)
@@ -227,7 +227,7 @@ def _process_result(
             )
             read_item_i.metadata.source = "web"
             read_item_i.metadata.memory_type = "OuterMemory"
-            read_item_i.metadata.sources = [url] if url else []
+            read_item_i.metadata.sources = [SourceMessage(type="web", url=url)] if url else []
             read_item_i.metadata.visibility = "public"
             memory_items.append(read_item_i)
         return memory_items
diff --git a/src/memos/memories/textual/tree_text_memory/retrieve/internet_retriever.py b/src/memos/memories/textual/tree_text_memory/retrieve/internet_retriever.py
index 7ec235fb..819b4e36 100644
--- a/src/memos/memories/textual/tree_text_memory/retrieve/internet_retriever.py
+++ b/src/memos/memories/textual/tree_text_memory/retrieve/internet_retriever.py
@@ -7,7 +7,11 @@
 import requests
 
 from memos.embedders.factory import OllamaEmbedder
-from memos.memories.textual.item import TextualMemoryItem, TreeNodeTextualMemoryMetadata
+from memos.memories.textual.item import (
+    SourceMessage,
+    TextualMemoryItem,
+    TreeNodeTextualMemoryMetadata,
+)
 
 
 class GoogleCustomSearchAPI:
@@ -172,7 +176,7 @@ def retrieve_from_internet(
                 visibility="public",
                 memory_type="LongTermMemory",  # Internet search results as working memory
                 key=title,
-                sources=[link] if link else [],
+                sources=[SourceMessage(type="web", url=link)] if link else [],
                 embedding=self.embedder.embed([memory_content])[0],  # Can add embedding later
                 created_at=datetime.now().isoformat(),
                 usage=[],
diff --git a/src/memos/memories/textual/tree_text_memory/retrieve/xinyusearch.py b/src/memos/memories/textual/tree_text_memory/retrieve/xinyusearch.py
index e36777f3..e5acd00f 100644
--- a/src/memos/memories/textual/tree_text_memory/retrieve/xinyusearch.py
+++ b/src/memos/memories/textual/tree_text_memory/retrieve/xinyusearch.py
@@ -12,7 +12,7 @@
 from memos.embedders.factory import OllamaEmbedder
 from memos.log import get_logger
 from memos.mem_reader.base import BaseMemReader
-from memos.memories.textual.item import TextualMemoryItem
+from memos.memories.textual.item import SourceMessage, TextualMemoryItem
 
 
 logger = get_logger(__name__)
@@ -333,7 +333,7 @@ def _process_result(
             )
             read_item_i.metadata.source = "web"
             read_item_i.metadata.memory_type = "OuterMemory"
-            read_item_i.metadata.sources = [url] if url else []
+            read_item_i.metadata.sources = [SourceMessage(type="web", url=url)] if url else []
             read_item_i.metadata.visibility = "public"
 
             memory_items.append(read_item_i)
diff --git a/src/memos/reranker/http_bge.py b/src/memos/reranker/http_bge.py
index 98d922fc..f0f5d17a 100644
--- a/src/memos/reranker/http_bge.py
+++ b/src/memos/reranker/http_bge.py
@@ -213,6 +213,7 @@ def rerank(
                 for item, raw_score in zip(graph_results, score_list, strict=False):
                     score = self._apply_boost_generic(item, raw_score, search_filter)
                     scored_items.append((item, score))
+
                 scored_items.sort(key=lambda x: x[1], reverse=True)
                 return scored_items[: min(top_k, len(scored_items))]