diff --git a/README.md b/README.md
index 1b8c285..185ea52 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,6 @@ config.model = 'all-MiniLM-L6-v2'
 config.host = '127.0.0.1'
 config.port = '19530'
 config.collection_name = collection_name
-config.source_type = 'url'
 
 p = AutoPipes.pipeline('eqa-insert', config=config)
 res = p('https://github.com/towhee-io/towhee/blob/main/README.md')
@@ -70,14 +69,11 @@ Then you can run `collection.num_entities` to check the number of the data in Mi
 
 ### **EnhancedQAInsertConfig**
 
-#### **Configuration for [Text Loader](https://towhee.io/towhee/text-loader):**
+#### **Configuration for [Text Spliter](https://towhee.io/towhee/text-spliter):**
 
 ***chunk_size: int***
 The size of each chunk, defaults to 300.
 
-***source_type: str***
-The type of the soure, defaults to `'file'`, you can also set to `'url'` for you url of your documentation. 
-
 #### **Configuration for Sentence Embedding:**
 
 ***model: str***
@@ -88,12 +84,6 @@ You can refer to the above [Model(s) list ](https://towhee.io/tasks/detail/opera
 The api key of openai, default to `None`. 
 This key is required if  the model is from OpenAI, you can check the model provider in the above [Model(s) list](https://towhee.io/sentence-embedding/openai).
 
-***customize_embedding_op: str***
-The name of the customize embedding operator, defaults to `None`.
-
-***normalize_vec: bool***
-Whether to normalize the embedding vectors, defaults to `True`.
-
 ***device:*** ***int***
 The number of devices, defaults to `-1`, which means using the CPU. 
 If the setting is not `-1`, the specified GPU device will be used.
diff --git a/eqa_insert.py b/eqa_insert.py
index d894d29..b3ff412 100644
--- a/eqa_insert.py
+++ b/eqa_insert.py
@@ -21,14 +21,11 @@ class EnhancedQAInsertConfig:
     Config of pipeline
     """
     def __init__(self):
-        # config for text_loader
+        # config for text_spliter
         self.chunk_size = 300
-        self.source_type = 'file'
         # config for sentence_embedding
         self.model = 'all-MiniLM-L6-v2'
         self.openai_api_key = None
-        self.customize_embedding_op = None
-        self.normalize_vec = True
         self.device = -1
         # config for insert_milvus
         self.host = '127.0.0.1'
@@ -51,26 +48,18 @@ def _get_embedding_op(config):
     else:
         device = config.device
 
-    if config.customize_embedding_op is not None:
-        return True, config.customize_embedding_op
-
     if config.model in _hf_models:
-        return True, ops.sentence_embedding.transformers(model_name=config.model,
-                                                         device=device)
+        return True, ops.sentence_embedding.transformers(model_name=config.model, device=device)
     if config.model in _sbert_models:
-        return True, ops.sentence_embedding.sbert(model_name=config.model,
-                                                  device=device)
+        return True, ops.sentence_embedding.sbert(model_name=config.model, device=device)
     if config.model in _openai_models:
-        return False, ops.sentence_embedding.openai(model_name=config.model,
-                                                api_key=config.openai_api_key)
+        return False, ops.sentence_embedding.openai(model_name=config.model, api_key=config.openai_api_key)
     raise RuntimeError('Unknown model: [%s], only support: %s' % (config.model, _hf_models + _openai_models))
 
 
 
 @AutoPipes.register
 def enhanced_qa_insert_pipe(config):
-    text_load_op = ops.text_loader(chunk_size=config.chunk_size, source_type=config.source_type)
-
     allow_triton, sentence_embedding_op = _get_embedding_op(config)
     sentence_embedding_config = {}
     if allow_triton:
@@ -86,15 +75,12 @@ def enhanced_qa_insert_pipe(config):
                                                     password=config.password,
                                                     )
 
-    p = (
+    return (
         pipe.input('doc')
-            .flat_map('doc', 'sentence', text_load_op)
+            .map('doc', 'text', ops.text_loader())
+            .flat_map('text', 'sentence', ops.text_spilter(chunk_size=config.chunk_size))
             .map('sentence', 'embedding', sentence_embedding_op, config=sentence_embedding_config)
-    )
-
-    if config.normalize_vec:
-        p = p.map('embedding', 'embedding', ops.towhee.np_normalize())
-
-    return (p.map(('doc', 'sentence', 'embedding'), 'mr', insert_milvus_op)
+            .map('embedding', 'embedding', ops.towhee.np_normalize())
+            .map(('doc', 'sentence', 'embedding'), 'mr', insert_milvus_op)
             .output('mr')
-            )
+    )