diff --git a/memory_scope/definition/memory_node.py b/memory_scope/definition/memory_node.py
index 3ca84a86..70eb9410 100644
--- a/memory_scope/definition/memory_node.py
+++ b/memory_scope/definition/memory_node.py
@@ -10,6 +10,12 @@ class MemoryNode(BaseModel):
 
     memoryId: str = Field("", description="unique memory id")
 
+    score_similar: float = Field(0, description="es similar score")
+
+    score_rank: float = Field(0, description="rank model score")
+
+    score_rerank: float = Field(0, description="rerank score")
+
     memoryType: str = Field("", description="conversation/observation/insight...")
 
     metaData: Dict[str, str] = Field({}, description="other data infos")
diff --git a/memory_scope/definition/memory_wrap_node.py b/memory_scope/definition/memory_wrap_node.py
deleted file mode 100644
index 8533e31f..00000000
--- a/memory_scope/definition/memory_wrap_node.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from pydantic import Field, BaseModel
-
-from memory_scope.definition.memory_node import MemoryNode
-
-
-class MemoryWrapNode(BaseModel):
-    id: str = Field("", description="uuid64")
-
-    score_similar: float = Field(0, description="相似度打分")
-
-    score_rank: float = Field(0, description="排序打分")
-
-    score_rerank: float = Field(0, description="重排打分")
-
-    memory_node: MemoryNode = Field(None, description="memory node 核心，返回给上游的结构")