diff --git a/src/memos/api/product_models.py b/src/memos/api/product_models.py
index 3b1ce2fc..4c960171 100644
--- a/src/memos/api/product_models.py
+++ b/src/memos/api/product_models.py
@@ -197,6 +197,7 @@ class APIADDRequest(BaseRequest):
     source: str | None = Field(None, description="Source of the memory")
     chat_history: list[MessageDict] | None = Field(None, description="Chat history")
     session_id: str | None = Field(None, description="Session id")
+    customized_prompt: str | None = Field("", description="Customized prompt")
     operation: list[PermissionDict] | None = Field(
         None, description="operation ids for multi cubes"
     )
diff --git a/src/memos/api/routers/server_router.py b/src/memos/api/routers/server_router.py
index 7d9f141d..6a13412f 100644
--- a/src/memos/api/routers/server_router.py
+++ b/src/memos/api/routers/server_router.py
@@ -580,6 +580,7 @@ def _process_text_mem() -> list[dict[str, str]]:
             info={
                 "user_id": add_req.user_id,
                 "session_id": target_session_id,
+                "customized_prompt": add_req.customized_prompt,
             },
             mode="fast" if sync_mode == "async" else "fine",
         )
diff --git a/src/memos/mem_reader/simple_struct.py b/src/memos/mem_reader/simple_struct.py
index 3845f37d..60e27599 100644
--- a/src/memos/mem_reader/simple_struct.py
+++ b/src/memos/mem_reader/simple_struct.py
@@ -31,7 +31,6 @@
 )
 from memos.utils import timed
 
-
 logger = log.get_logger(__name__)
 PROMPT_DICT = {
     "chat": {
@@ -201,17 +200,36 @@ def _make_memory_item(
             ),
         )
 
-    def _get_llm_response(self, mem_str: str) -> dict:
-        lang = detect_lang(mem_str)
-        template = PROMPT_DICT["chat"][lang]
-        examples = PROMPT_DICT["chat"][f"{lang}_example"]
-        prompt = template.replace("${conversation}", mem_str)
-        if self.config.remove_prompt_example:
-            prompt = prompt.replace(examples, "")
+    def _get_llm_response(self, mem_str: str, info: dict | None = None) -> dict:
+        if info.get("customized_prompt", ""):
+            template = info["customized_prompt"]
+            prompt = template.replace("${conversation}", mem_str)
+        else:
+            lang = detect_lang(mem_str)
+            template = PROMPT_DICT["chat"][lang]
+            examples = PROMPT_DICT["chat"][f"{lang}_example"]
+            prompt = template.replace("${conversation}", mem_str)
+            if self.config.remove_prompt_example:
+                prompt = prompt.replace(examples, "")
         messages = [{"role": "user", "content": prompt}]
+
         try:
-            response_text = self.llm.generate(messages)
-            response_json = self.parse_json_result(response_text)
+            if info.get("customized_prompt", ""):
+                response_text = self.llm.generate(messages)
+                response_json = {
+                    "memory list": [
+                        {
+                            "key": response_text[:10],
+                            "memory_type": "UserMemory",
+                            "value": response_text,
+                            "tags": [],
+                        }
+                    ],
+                    "summary": "",
+                }
+            else:
+                response_text = self.llm.generate(messages)
+                response_json = self.parse_json_result(response_text)
         except Exception as e:
             logger.error(f"[LLM] Exception during chat generation: {e}")
             response_json = {
@@ -284,7 +302,14 @@ def _build_fast_node(w):
                 mem_type = "UserMemory" if roles == {"user"} else "LongTermMemory"
                 tags = ["mode:fast"]
                 return self._make_memory_item(
-                    value=text, info=info, memory_type=mem_type, tags=tags, sources=w["sources"]
+                    value=text,
+                    info=info,
+                    memory_type=mem_type,
+                    tags=tags,
+                    sources=w["sources"],
+                    background=""
+                    if not info.get("customized_prompt", "")
+                    else info["customized_prompt"],
                 )
 
             with ContextThreadPoolExecutor(max_workers=8) as ex:
@@ -304,7 +329,7 @@ def _build_fast_node(w):
             logger.debug("Using unified Fine Mode")
             chat_read_nodes = []
             for w in windows:
-                resp = self._get_llm_response(w["text"])
+                resp = self._get_llm_response(w["text"], info)
                 for m in resp.get("memory list", []):
                     try:
                         memory_type = (
@@ -328,7 +353,8 @@ def _build_fast_node(w):
 
     def _process_transfer_chat_data(self, raw_node: TextualMemoryItem):
         raw_memory = raw_node.memory
-        response_json = self._get_llm_response(raw_memory)
+        info = {"customized_prompt": raw_node.metadata.background}
+        response_json = self._get_llm_response(raw_memory, info)
         chat_read_nodes = []
         for memory_i_raw in response_json.get("memory list", []):
             try: