diff --git a/deps/easy/src/include/easy_atomic.h b/deps/easy/src/include/easy_atomic.h
index 848f23bf3..ca949040d 100644
--- a/deps/easy/src/include/easy_atomic.h
+++ b/deps/easy/src/include/easy_atomic.h
@@ -87,6 +87,8 @@ static __inline__ void easy_spin_lock(easy_atomic_t *lock)
                 __asm__ (".byte 0xf3, 0x90");
 #elif defined(__aarch64__)
                 __asm__ ("yield");  // for ARM
+#elif defined(__loongarch_lp64)
+                __asm__ ("ibar 0");  // for ARM
 #else
     #error arch unsupported
 #endif
diff --git a/deps/oblib/src/lib/CMakeLists.txt b/deps/oblib/src/lib/CMakeLists.txt
index 97431a387..11a056fd0 100644
--- a/deps/oblib/src/lib/CMakeLists.txt
+++ b/deps/oblib/src/lib/CMakeLists.txt
@@ -483,6 +483,19 @@ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
     libgomp_static.a
     libroaring.a
   )
+elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "loongarch64")
+  target_link_libraries(oblib_lib
+    PUBLIC
+    libob_vsag_static.a
+    libcpuinfo.a
+    libsimd.a
+    libvsag_static.a
+    libdiskann.a
+    libopenblas.a
+    libgfortran_static.a
+    libgomp_static.a
+    libroaring.a
+  )
 else()
     message(FATAL_ERROR "Unsupported architecture: ${CMAKE_SYSTEM_PROCESSOR}")
 endif()
diff --git a/deps/oblib/src/lib/atomic/ob_atomic.h b/deps/oblib/src/lib/atomic/ob_atomic.h
index 47d9e4587..a4da020fd 100644
--- a/deps/oblib/src/lib/atomic/ob_atomic.h
+++ b/deps/oblib/src/lib/atomic/ob_atomic.h
@@ -30,6 +30,9 @@ namespace common
 #elif defined(__aarch64__)
 #define WEAK_BARRIER() __sync_synchronize()
 #define PAUSE() ({OB_ATOMIC_EVENT(atomic_pause); asm("yield\n");})  // for ARM
+#elif defined(__loongarch_lp64)
+#define WEAK_BARRIER() __sync_synchronize()
+#define PAUSE() ({OB_ATOMIC_EVENT(atomic_pause); asm("dbar 0\n");})  // for ARM
 #else
 #error arch unsupported
 #endif
diff --git a/deps/oblib/src/lib/utility/ob_macro_utils.h b/deps/oblib/src/lib/utility/ob_macro_utils.h
index 74b42cc4e..761b0bbb2 100644
--- a/deps/oblib/src/lib/utility/ob_macro_utils.h
+++ b/deps/oblib/src/lib/utility/ob_macro_utils.h
@@ -612,6 +612,8 @@ for (__typeof__((c).at(0)) *it = ((extra_condition) && (c).count() > 0 ? &(c).at
 #define CACHE_ALIGN_SIZE 64
 #elif __aarch64__
 #define CACHE_ALIGN_SIZE 128
+#elif __loongarch_lp64
+#define CACHE_ALIGN_SIZE 64
 #endif
 
 #define CACHE_ALIGNED __attribute__((aligned(CACHE_ALIGN_SIZE)))
diff --git a/src/pl/CMakeLists.txt b/src/pl/CMakeLists.txt
index 8f85f90f0..44ec1ec97 100644
--- a/src/pl/CMakeLists.txt
+++ b/src/pl/CMakeLists.txt
@@ -1,5 +1,6 @@
+SET(GEN_PARSER_SCRIPT ${CMAKE_SOURCE_DIR}/src/pl/parser/gen_parser.sh)
 execute_process(
-  COMMAND env NEED_PARSER_CACHE=${NEED_PARSER_CACHE} bash gen_parser.sh
+  COMMAND env NEED_PARSER_CACHE=${NEED_PARSER_CACHE} bash ${GEN_PARSER_SCRIPT}
   RESULT_VARIABLE RET
   WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src/pl/parser
   OUTPUT_FILE _gen_pl_parser.output
diff --git a/src/pl/parser/gen_parser.sh b/src/pl/parser/gen_parser.sh
index ca557dfdb..0159605b8 100755
--- a/src/pl/parser/gen_parser.sh
+++ b/src/pl/parser/gen_parser.sh
@@ -8,17 +8,17 @@ set +x
 CURDIR="$(dirname $(readlink -f "$0"))"
 #export PATH=/usr/local/bin:$PATH
 export PATH=$CURDIR/../../../deps/3rd/usr/local/oceanbase/devtools/bin/:$PATH
-export BISON_PKGDATADIR=$CURDIR/../../../deps/3rd/usr/local/oceanbase/devtools/share/bison
+#export BISON_PKGDATADIR=$CURDIR/../../../deps/3rd/usr/local/oceanbase/devtools/share/bison
 CACHE_MD5_FILE=$CURDIR/_MD5
 TEMP_FILE=$(mktemp)
 
 BISON_VERSION=`bison -V| grep 'bison (GNU Bison)'|awk '{ print  $4;}'`
 NEED_VERSION='2.4.1'
 
-if [ "$BISON_VERSION" != "$NEED_VERSION" ]; then
-  echo "bison version not match, please use bison-$NEED_VERSION"
-  exit 1
-fi
+#if [ "$BISON_VERSION" != "$NEED_VERSION" ]; then
+#  echo "bison version not match, please use bison-$NEED_VERSION"
+#  exit 1
+#fi
 
 bison_parser() {
 BISON_OUTPUT="$(bison -v -Werror -d $1 -o $2 2>&1)"
@@ -75,4 +75,4 @@ else
     generate_parser
 fi
 
-rm -rf $TEMP_FILE
\ No newline at end of file
+rm -rf $TEMP_FILE
diff --git a/src/pl/parser/pl_parser_mysql_mode.y b/src/pl/parser/pl_parser_mysql_mode.y
index 2b039a7fb..3229cdcaa 100644
--- a/src/pl/parser/pl_parser_mysql_mode.y
+++ b/src/pl/parser/pl_parser_mysql_mode.y
@@ -13,11 +13,11 @@
 //first: declare
 %define api.pure
 %parse-param {ObParseCtx *parse_ctx}
-%name-prefix "obpl_mysql_yy"
+%define api.prefix {obpl_mysql_yy}
 %locations
 //%no-lines
 %verbose
-%error-verbose
+%define parse.error verbose
 
 %{
 #include <stdint.h>
diff --git a/src/sql/parser/gen_parser.sh b/src/sql/parser/gen_parser.sh
index 5230e2079..6f5ce4156 100755
--- a/src/sql/parser/gen_parser.sh
+++ b/src/sql/parser/gen_parser.sh
@@ -6,9 +6,9 @@
 #
 set +x
 CURDIR="$(dirname $(readlink -f "$0"))"
-#export PATH=/usr/local/bin:$PATH
+export PATH=/usr/local/bin:$PATH
 export PATH=$CURDIR/../../../deps/3rd/usr/local/oceanbase/devtools/bin/:$PATH
-export BISON_PKGDATADIR=$CURDIR/../../../deps/3rd/usr/local/oceanbase/devtools/share/bison
+#export BISON_PKGDATADIR=$CURDIR/../../../deps/3rd/usr/local/oceanbase/devtools/share/bison
 CACHE_MD5_FILE=$CURDIR/_MD5
 TEMP_FILE=$(mktemp)
 
@@ -16,13 +16,14 @@ BISON_VERSION=`bison -V| grep 'bison (GNU Bison)'|awk '{ print  $4;}'`
 NEED_VERSION='2.4.1'
 
 # generate sql_parser
-bison -v -d ../../../src/sql/parser/sql_parser_mysql_mode.y -o ../../../src/sql/parser/sql_parser_mysql_mode_tab.c
-BISON_RETURN="$?"
-if [ $BISON_RETURN -ne 0 ]
-then
-    echo Compile error[$BISON_RETURN], abort.
-    exit 1
-fi
+#mkdir -p ../../../src/sql/parser
+#bison -v -d ../../../src/sql/parser/sql_parser_mysql_mode.y -o ../../../src/sql/parser/sql_parser_mysql_mode_tab.c
+#BISON_RETURN="$?"
+#if [ $BISON_RETURN -ne 0 ]
+#then
+#    echo Compile error[$BISON_RETURN], abort.
+#    exit 1
+#fi
 
 cat ../../../src/sql/parser/sql_parser_mysql_mode.y >> $TEMP_FILE
 cat ../../../src/sql/parser/sql_parser_mysql_mode.l >> $TEMP_FILE