diff --git a/Makefile b/Makefile
index 88654fc2519..cb311bbe6b1 100644
--- a/Makefile
+++ b/Makefile
@@ -84,7 +84,7 @@ endif
 TEST_TARGET ?=
 TEST_LEVEL ?=
 
-.PHONY: all coverage coverage-cpp coverage-java build test configure clean thirdparty-fast thirdparty openmldb-clean thirdparty-configure thirdparty-clean thirdpartybuild-clean thirdpartysrc-clean
+.PHONY: all coverage coverage-cpp coverage-java build test configure clean thirdparty-fast udf_doc_gen thirdparty openmldb-clean thirdparty-configure thirdparty-clean thirdpartybuild-clean thirdpartysrc-clean
 
 all: build
 
@@ -125,6 +125,10 @@ openmldb-clean:
 	rm -rf "$(OPENMLDB_BUILD_DIR)"
 	@cd java && ./mvnw clean
 
+udf_doc_gen:
+	$(MAKE) build OPENMLDB_BUILD_TARGET=export_udf_info
+	$(MAKE) -C ./hybridse/tools/documentation/udf_doxygen
+
 THIRD_PARTY_BUILD_DIR ?= $(MAKEFILE_DIR)/.deps
 THIRD_PARTY_SRC_DIR ?= $(MAKEFILE_DIR)/thirdsrc
 THIRD_PARTY_DIR ?= $(THIRD_PARTY_BUILD_DIR)/usr
diff --git a/docs/zh/developer/index.rst b/docs/zh/developer/index.rst
index c89aa3402d9..39400de5c63 100644
--- a/docs/zh/developer/index.rst
+++ b/docs/zh/developer/index.rst
@@ -10,4 +10,3 @@
     built_in_function_develop_guide
     udf_develop_guide
     sdk_develop
-    gen_udf_document.md
diff --git a/hybridse/.gitignore b/hybridse/.gitignore
index 366f6e645a9..029c7da8f2f 100644
--- a/hybridse/.gitignore
+++ b/hybridse/.gitignore
@@ -18,6 +18,9 @@ src/hyhridse_version.h
 # ignore docgen
 tools/documentation/udf_doxygen/html
 tools/documentation/udf_doxygen/udfs
+tools/documentation/udf_doxygen/udf
+tools/documentation/udf_doxygen/udfgen
+tools/documentation/udf_doxygen/xml
 style.xml
 hybridse_version.h
 intermediate_cicd_artifact_.tar.gz
@@ -35,6 +38,3 @@ tools/documentation/java_api/doxybook2_home
 tools/documentation/java_api/html
 tools/documentation/java_api/xml
 tools/documentation/java_api/java
-tools/documentation/udf_doxygen/udf
-tools/documentation/udf_doxygen/doxybook2_home
-tools/documentation/udf_doxygen/xml
diff --git a/hybridse/tools/documentation/udf_doxygen/Makefile b/hybridse/tools/documentation/udf_doxygen/Makefile
index 73ed96ceabf..2c659f453c4 100644
--- a/hybridse/tools/documentation/udf_doxygen/Makefile
+++ b/hybridse/tools/documentation/udf_doxygen/Makefile
@@ -1,7 +1,7 @@
 MAKEFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
 MAKEFILE_DIR  := $(dir $(MAKEFILE_PATH))
 
-POETRY_PRG ?= $(shell (command -v poetry || echo poetry))
+POETRY_PRG ?= $(shell (command -v poetry))
 DOXYBOOK2_PRG ?= $(shell (command -v doxybook2 || echo doxybook2))
 
 UDF_GEN_DIR ?= $(MAKEFILE_DIR)/udfgen
@@ -11,11 +11,16 @@ UDF_GEN_DIR ?= $(MAKEFILE_DIR)/udfgen
 all: doxygen2md
 
 doxygen:
-	$(POETRY_PRG) run python export_udf_doc.py
+	if [ -n "$(POETRY_PRG)" ]; then \
+	    $(POETRY_PRG) run python export_udf_doc.py; \
+	else \
+	    ./export_udf_doc.py; \
+	fi
 
 doxygen2md: doxygen
 	mkdir -p $(UDF_GEN_DIR)
 	$(DOXYBOOK2_PRG) --input xml --output $(UDF_GEN_DIR) --config config.json --templates ../template --summary-input SUMMARY.md.tmpl --summary-output SUMMARY.md
+	@echo "udf document write into $(MAKEFILE_DIR)/udfgen/Files/udfs_8h.md"
 
 clean:
 	rm -rf xml/ html/ udfs/ $(UDF_GEN_DIR)
diff --git a/hybridse/tools/documentation/udf_doxygen/README.md b/hybridse/tools/documentation/udf_doxygen/README.md
index 502aa684903..05bf304aed8 100644
--- a/hybridse/tools/documentation/udf_doxygen/README.md
+++ b/hybridse/tools/documentation/udf_doxygen/README.md
@@ -6,8 +6,23 @@
 
 - [doxygen](https://doxygen.nl/), [doxybook2](https://github.com/matusnovak/doxybook2) installed in host
 
+- [poetry](https://python-poetry.org/) optional
+  - or have [pyyaml](https://pypi.org/project/PyYAML/) >= 6.0 installed in host
+
+
+## Brief
+
+Simiply type `make udf_doc_gen` in top directory of OpenMLDB.
+
+```bash
+cd $(git rev-parse --show-toplevel)
+make udf_doc_gen
+```
+
+## Detailed Steps
+
+Here are the detailed steps inside `make udf_doc_gen`.
 
-## Steps
 ### 1. Compile export_udf_info
 
 ```bash
diff --git a/hybridse/tools/documentation/udf_doxygen/export_udf_doc.py b/hybridse/tools/documentation/udf_doxygen/export_udf_doc.py
old mode 100644
new mode 100755