diff --git a/agent/component/__init__.py b/agent/component/__init__.py
index 2e85a3e093c..a977f03f441 100644
--- a/agent/component/__init__.py
+++ b/agent/component/__init__.py
@@ -29,6 +29,7 @@
 from .tushare import TuShare, TuShareParam
 from .akshare import AkShare, AkShareParam
 from .crawler import Crawler, CrawlerParam
+from .invoke import Invoke, InvokeParam
 
 
 def component_class(class_name):
diff --git a/agent/component/generate.py b/agent/component/generate.py
index 9297cdca0bb..588613e582b 100644
--- a/agent/component/generate.py
+++ b/agent/component/generate.py
@@ -17,6 +17,7 @@
 from functools import partial
 import pandas as pd
 from api.db import LLMType
+from api.db.services.dialog_service import message_fit_in
 from api.db.services.llm_service import LLMBundle
 from api.settings import retrievaler
 from agent.component.base import ComponentBase, ComponentParamBase
@@ -112,7 +113,7 @@ def _run(self, history, **kwargs):
 
         kwargs["input"] = input
         for n, v in kwargs.items():
-            prompt = re.sub(r"\{%s\}" % re.escape(n), str(v), prompt)
+            prompt = re.sub(r"\{%s\}" % re.escape(n), re.escape(str(v)), prompt)
 
         downstreams = self._canvas.get_component(self._id)["downstream"]
         if kwargs.get("stream") and len(downstreams) == 1 and self._canvas.get_component(downstreams[0])[
@@ -124,8 +125,10 @@ def _run(self, history, **kwargs):
                 retrieval_res["empty_response"]) else "Nothing found in knowledgebase!", "reference": []}
             return pd.DataFrame([res])
 
-        ans = chat_mdl.chat(prompt, self._canvas.get_history(self._param.message_history_window_size),
-                            self._param.gen_conf())
+        msg = self._canvas.get_history(self._param.message_history_window_size)
+        _, msg = message_fit_in([{"role": "system", "content": prompt}, *msg], int(chat_mdl.max_length * 0.97))
+        ans = chat_mdl.chat(msg[0]["content"], msg[1:], self._param.gen_conf())
+
         if self._param.cite and "content_ltks" in retrieval_res.columns and "vector" in retrieval_res.columns:
             res = self.set_cite(retrieval_res, ans)
             return pd.DataFrame([res])
@@ -141,9 +144,10 @@ def stream_output(self, chat_mdl, prompt, retrieval_res):
             self.set_output(res)
             return
 
+        msg = self._canvas.get_history(self._param.message_history_window_size)
+        _, msg = message_fit_in([{"role": "system", "content": prompt}, *msg], int(chat_mdl.max_length * 0.97))
         answer = ""
-        for ans in chat_mdl.chat_streamly(prompt, self._canvas.get_history(self._param.message_history_window_size),
-                                          self._param.gen_conf()):
+        for ans in chat_mdl.chat_streamly(msg[0]["content"], msg[1:], self._param.gen_conf()):
             res = {"content": ans, "reference": []}
             answer = ans
             yield res
diff --git a/agent/component/invoke.py b/agent/component/invoke.py
index 1078d35a978..d497be93f8a 100644
--- a/agent/component/invoke.py
+++ b/agent/component/invoke.py
@@ -14,10 +14,10 @@
 #  limitations under the License.
 #
 import json
+import re
 from abc import ABC
-
 import requests
-
+from deepdoc.parser import HtmlParser
 from agent.component.base import ComponentBase, ComponentParamBase
 
 
@@ -34,11 +34,13 @@ def __init__(self):
         self.variables = []
         self.url = ""
         self.timeout = 60
+        self.clean_html = False
 
     def check(self):
         self.check_valid_value(self.method.lower(), "Type of content from the crawler", ['get', 'post', 'put'])
         self.check_empty(self.url, "End point URL")
         self.check_positive_integer(self.timeout, "Timeout time in second")
+        self.check_boolean(self.clean_html, "Clean HTML")
 
 
 class Invoke(ComponentBase, ABC):
@@ -63,7 +65,7 @@ def _run(self, history, **kwargs):
         if self._param.headers:
             headers = json.loads(self._param.headers)
         proxies = None
-        if self._param.proxy:
+        if re.sub(r"https?:?/?/?", "", self._param.proxy):
             proxies = {"http": self._param.proxy, "https": self._param.proxy}
 
         if method == 'get':
@@ -72,6 +74,10 @@ def _run(self, history, **kwargs):
                                     headers=headers,
                                     proxies=proxies,
                                     timeout=self._param.timeout)
+            if self._param.clean_html:
+                sections = HtmlParser()(None, response.content)
+                return Invoke.be_output("\n".join(sections))
+
             return Invoke.be_output(response.text)
 
         if method == 'put':
@@ -80,5 +86,18 @@ def _run(self, history, **kwargs):
                                     headers=headers,
                                     proxies=proxies,
                                     timeout=self._param.timeout)
+            if self._param.clean_html:
+                sections = HtmlParser()(None, response.content)
+                return Invoke.be_output("\n".join(sections))
+            return Invoke.be_output(response.text)
 
+        if method == 'post':
+            response = requests.post(url=url,
+                                    json=args,
+                                    headers=headers,
+                                    proxies=proxies,
+                                    timeout=self._param.timeout)
+            if self._param.clean_html:
+                sections = HtmlParser()(None, response.content)
+                return Invoke.be_output("\n".join(sections))
             return Invoke.be_output(response.text)
diff --git a/api/db/services/dialog_service.py b/api/db/services/dialog_service.py
index 13a395f85d7..4245a284f51 100644
--- a/api/db/services/dialog_service.py
+++ b/api/db/services/dialog_service.py
@@ -205,7 +205,9 @@ def chat(dialog, messages, stream=True, **kwargs):
     else:
         if prompt_config.get("keyword", False):
             questions[-1] += keyword_extraction(chat_mdl, questions[-1])
-        kbinfos = retr.retrieval(" ".join(questions), embd_mdl, dialog.tenant_id, dialog.kb_ids, 1, dialog.top_n,
+
+        tenant_ids = list(set([kb.tenant_id for kb in kbs]))
+        kbinfos = retr.retrieval(" ".join(questions), embd_mdl, tenant_ids, dialog.kb_ids, 1, dialog.top_n,
                                         dialog.similarity_threshold,
                                         dialog.vector_similarity_weight,
                                         doc_ids=attachments,
diff --git a/deepdoc/parser/html_parser.py b/deepdoc/parser/html_parser.py
index d5cde78c2ea..e02aaa1f3e5 100644
--- a/deepdoc/parser/html_parser.py
+++ b/deepdoc/parser/html_parser.py
@@ -16,11 +16,13 @@
 import html_text
 import chardet
 
+
 def get_encoding(file):
     with open(file,'rb') as f:
         tmp = chardet.detect(f.read())
         return tmp['encoding']
 
+
 class RAGFlowHtmlParser:
     def __call__(self, fnm, binary=None):
         txt = ""
diff --git a/rag/nlp/search.py b/rag/nlp/search.py
index 89a2592ece0..a7740fafca1 100644
--- a/rag/nlp/search.py
+++ b/rag/nlp/search.py
@@ -79,7 +79,7 @@ def _add_filters(self, bqry, req):
                     Q("bool", must_not=Q("range", available_int={"lt": 1})))
         return bqry
 
-    def search(self, req, idxnm, emb_mdl=None, highlight=False):
+    def search(self, req, idxnms, emb_mdl=None, highlight=False):
         qst = req.get("question", "")
         bqry, keywords = self.qryr.question(qst, min_match="30%")
         bqry = self._add_filters(bqry, req)
@@ -134,7 +134,7 @@ def search(self, req, idxnm, emb_mdl=None, highlight=False):
                 del s["highlight"]
             q_vec = s["knn"]["query_vector"]
         es_logger.info("【Q】: {}".format(json.dumps(s)))
-        res = self.es.search(deepcopy(s), idxnm=idxnm, timeout="600s", src=src)
+        res = self.es.search(deepcopy(s), idxnms=idxnms, timeout="600s", src=src)
         es_logger.info("TOTAL: {}".format(self.es.getTotal(res)))
         if self.es.getTotal(res) == 0 and "knn" in s:
             bqry, _ = self.qryr.question(qst, min_match="10%")
@@ -144,7 +144,7 @@ def search(self, req, idxnm, emb_mdl=None, highlight=False):
             s["query"] = bqry.to_dict()
             s["knn"]["filter"] = bqry.to_dict()
             s["knn"]["similarity"] = 0.17
-            res = self.es.search(s, idxnm=idxnm, timeout="600s", src=src)
+            res = self.es.search(s, idxnms=idxnms, timeout="600s", src=src)
             es_logger.info("【Q】: {}".format(json.dumps(s)))
 
         kwds = set([])
@@ -358,20 +358,26 @@ def hybrid_similarity(self, ans_embd, ins_embd, ans, inst):
                                            rag_tokenizer.tokenize(ans).split(" "),
                                            rag_tokenizer.tokenize(inst).split(" "))
 
-    def retrieval(self, question, embd_mdl, tenant_id, kb_ids, page, page_size, similarity_threshold=0.2,
+    def retrieval(self, question, embd_mdl, tenant_ids, kb_ids, page, page_size, similarity_threshold=0.2,
                   vector_similarity_weight=0.3, top=1024, doc_ids=None, aggs=True, rerank_mdl=None, highlight=False):
         ranks = {"total": 0, "chunks": [], "doc_aggs": {}}
         if not question:
             return ranks
+
         RERANK_PAGE_LIMIT = 3
         req = {"kb_ids": kb_ids, "doc_ids": doc_ids, "size": max(page_size*RERANK_PAGE_LIMIT, 128),
                "question": question, "vector": True, "topk": top,
                "similarity": similarity_threshold,
                "available_int": 1}
+
         if page > RERANK_PAGE_LIMIT:
             req["page"] = page
             req["size"] = page_size
-        sres = self.search(req, index_name(tenant_id), embd_mdl, highlight)
+
+        if isinstance(tenant_ids, str):
+            tenant_ids = tenant_ids.split(",")
+
+        sres = self.search(req, [index_name(tid) for tid in tenant_ids], embd_mdl, highlight)
         ranks["total"] = sres.total
 
         if page <= RERANK_PAGE_LIMIT:
@@ -467,7 +473,7 @@ def chunk_list(self, doc_id, tenant_id, max_count=1024, fields=["docnm_kwd", "co
         s = Search()
         s = s.query(Q("match", doc_id=doc_id))[0:max_count]
         s = s.to_dict()
-        es_res = self.es.search(s, idxnm=index_name(tenant_id), timeout="600s", src=fields)
+        es_res = self.es.search(s, idxnms=index_name(tenant_id), timeout="600s", src=fields)
         res = []
         for index, chunk in enumerate(es_res['hits']['hits']):
             res.append({fld: chunk['_source'].get(fld) for fld in fields})
diff --git a/rag/utils/es_conn.py b/rag/utils/es_conn.py
index 8b07be312c3..d39e263f7f8 100644
--- a/rag/utils/es_conn.py
+++ b/rag/utils/es_conn.py
@@ -221,12 +221,14 @@ def rm(self, d):
 
         return False
 
-    def search(self, q, idxnm=None, src=False, timeout="2s"):
+    def search(self, q, idxnms=None, src=False, timeout="2s"):
         if not isinstance(q, dict):
             q = Search().query(q).to_dict()
+        if isinstance(idxnms, str):
+            idxnms = idxnms.split(",")
         for i in range(3):
             try:
-                res = self.es.search(index=(self.idxnm if not idxnm else idxnm),
+                res = self.es.search(index=(self.idxnm if not idxnms else idxnms),
                                      body=q,
                                      timeout=timeout,
                                      # search_type="dfs_query_then_fetch",