diff --git a/GNUmakefile.in b/GNUmakefile.in
index 172766350..2e95bfab4 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -102,6 +102,7 @@ install:
 	@if test -d contrib/gms_stats; then $(MAKE) -C contrib/gms_stats $@; fi
 	@if test -d contrib/gms_profiler; then $(MAKE) -C contrib/gms_profiler $@; fi
 	@if test -d contrib/gms_output; then $(MAKE) -C contrib/gms_output $@; fi
+	@if test -d contrib/timescaledb; then export CC=${GCC_PATH}/gcc/bin/gcc; export CXX=${GCC_PATH}/gcc/bin/g++; (cd contrib/timescaledb && ./run_to_build.sh && cd build && $(MAKE) $@); fi
 	+@echo "openGauss installation complete."
 endif
 endif
diff --git a/build/script/aarch64_opengauss_list b/build/script/aarch64_opengauss_list
index 9f8687396..dc5d52fa5 100644
--- a/build/script/aarch64_opengauss_list
+++ b/build/script/aarch64_opengauss_list
@@ -75,6 +75,8 @@
 ./share/postgresql/extension/ndpplugin--1.0.sql
 ./share/postgresql/extension/spqplugin.control
 ./share/postgresql/extension/spqplugin--1.0.sql
+./share/postgresql/extension/timescaledb.control
+./share/postgresql/extension/timescaledb--1.7.4.sql
 ./share/postgresql/extension/dolphin.control
 ./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
@@ -803,6 +805,9 @@
 ./lib/postgresql/pg_plugin
 ./lib/postgresql/proc_srclib
 ./lib/postgresql/security_plugin.so
+./lib/postgresql/timescaledb-1.7.4.so
+./lib/postgresql/timescaledb.so
+./lib/postgresql/timescaledb-tsl-1.7.4.so
 ./lib/postgresql/dolphin.so
 ./lib/postgresql/age.so
 ./lib/postgresql/datavec.so
diff --git a/build/script/opengauss_release_list_ubuntu_single b/build/script/opengauss_release_list_ubuntu_single
index 87b353061..617221026 100644
--- a/build/script/opengauss_release_list_ubuntu_single
+++ b/build/script/opengauss_release_list_ubuntu_single
@@ -61,6 +61,8 @@
 ./share/postgresql/extension/hstore.control
 ./share/postgresql/extension/security_plugin.control
 ./share/postgresql/extension/security_plugin--1.0.sql
+./share/postgresql/extension/timescaledb.control
+./share/postgresql/extension/timescaledb--1.7.4.sql
 ./share/postgresql/extension/dolphin.control
 ./share/postgresql/extension/dolphin--4.0.sql
 ./share/postgresql/extension/dolphin--1.0--1.1.sql
@@ -776,6 +778,9 @@
 ./lib/postgresql/pg_plugin
 ./lib/postgresql/proc_srclib
 ./lib/postgresql/security_plugin.so
+./lib/postgresql/timescaledb-1.7.4.so
+./lib/postgresql/timescaledb.so
+./lib/postgresql/timescaledb-tsl-1.7.4.so
 ./lib/postgresql/dolphin.so
 ./lib/postgresql/age.so
 ./lib/postgresql/datavec.so
diff --git a/build/script/utils/make_compile.sh b/build/script/utils/make_compile.sh
index cf9369727..c4513f54f 100644
--- a/build/script/utils/make_compile.sh
+++ b/build/script/utils/make_compile.sh
@@ -238,6 +238,11 @@ function install_gaussdb()
         fi
     fi
 
+#tsdb prepare
+    if [ -d "$CODE_BASE/contrib/timescaledb" ]; then
+    cp $CODE_BASE/contrib/timescaledb/og-timescaledb1.7.4.sql ${GAUSSHOME}/share/postgresql/extension/timescaledb--1.7.4.sql
+    fi
+    
     cd "$ROOT_DIR/contrib/pg_upgrade_support"
     make clean >> "$LOG_FILE" 2>&1
     make -sj >> "$LOG_FILE" 2>&1
diff --git a/build/script/x86_64_opengauss_list b/build/script/x86_64_opengauss_list
index fafad621d..a59ef549a 100644
--- a/build/script/x86_64_opengauss_list
+++ b/build/script/x86_64_opengauss_list
@@ -90,6 +90,8 @@
 ./share/postgresql/extension/openGauss_expr_dolphin.ir
 ./share/postgresql/extension/age--1.0.0.sql
 ./share/postgresql/extension/age.control
+./share/postgresql/extension/timescaledb.control
+./share/postgresql/extension/timescaledb--1.7.4.sql
 ./share/postgresql/extension/datavec--0.4.4.sql
 ./share/postgresql/extension/datavec.control
 ./share/postgresql/extension/assessment--1.0.sql
@@ -803,6 +805,9 @@
 ./lib/postgresql/pg_plugin
 ./lib/postgresql/proc_srclib
 ./lib/postgresql/security_plugin.so
+./lib/postgresql/timescaledb-1.7.4.so
+./lib/postgresql/timescaledb.so
+./lib/postgresql/timescaledb-tsl-1.7.4.so
 ./lib/postgresql/dolphin.so
 ./lib/postgresql/age.so
 ./lib/postgresql/datavec.so
diff --git a/src/common/backend/utils/misc/postgresql_distribute.conf.sample b/src/common/backend/utils/misc/postgresql_distribute.conf.sample
index 7d7d32492..0a0ecfad0 100644
--- a/src/common/backend/utils/misc/postgresql_distribute.conf.sample
+++ b/src/common/backend/utils/misc/postgresql_distribute.conf.sample
@@ -175,7 +175,7 @@ cstore_buffers = 512MB         #min 16MB
 
 #max_files_per_process = 1000		# min 25
 					# (change requires restart)
-#shared_preload_libraries = ''         # (change requires restart)
+#shared_preload_libraries = ''         # (change requires restart. if timescaledb is used, add $libdir/timescaledb)
 # - Cost-Based Vacuum Delay -
 
 #vacuum_cost_delay = 0ms		# 0-100 milliseconds
diff --git a/src/common/backend/utils/misc/postgresql_single.conf.sample b/src/common/backend/utils/misc/postgresql_single.conf.sample
index f23618c82..7c28d54ac 100644
--- a/src/common/backend/utils/misc/postgresql_single.conf.sample
+++ b/src/common/backend/utils/misc/postgresql_single.conf.sample
@@ -171,7 +171,10 @@ cstore_buffers = 512MB         #min 16MB
 
 #max_files_per_process = 1000		# min 25
 					# (change requires restart)
-#shared_preload_libraries = ''         # (change requires restart)
+
+
+#shared_preload_libraries = ''   # (change requires restart. if timescaledb is used, add $libdir/timescaledb)
+
 # - Cost-Based Vacuum Delay -
 
 #vacuum_cost_delay = 0ms		# 0-100 milliseconds
diff --git a/src/gausskernel/runtime/vecexecutor/vecexpression.cpp b/src/gausskernel/runtime/vecexecutor/vecexpression.cpp
index f069e1824..c803c8f4c 100644
--- a/src/gausskernel/runtime/vecexecutor/vecexpression.cpp
+++ b/src/gausskernel/runtime/vecexecutor/vecexpression.cpp
@@ -1996,9 +1996,9 @@ void InitVectorFunction(FunctionCallInfo finfo, MemoryContext fcacheCxt)
     if (u_sess->attr.attr_sql.dolphin &&
         g_instance.plugin_vec_func_cxt.vec_func_plugin[DOLPHIN_VEC] != NULL) {
         vec_func_hash = g_instance.plugin_vec_func_cxt.vec_func_plugin[DOLPHIN_VEC];
-    } else if (u_sess->attr.attr_sql.whale &&
-        g_instance.plugin_vec_func_cxt.vec_func_plugin[WHALE_VEC] != NULL) {
-        vec_func_hash = g_instance.plugin_vec_func_cxt.vec_func_plugin[WHALE_VEC];
+    } else if (u_sess->attr.attr_sql.whale &&
+        g_instance.plugin_vec_func_cxt.vec_func_plugin[WHALE_VEC] != NULL) {
+        vec_func_hash = g_instance.plugin_vec_func_cxt.vec_func_plugin[WHALE_VEC];
     } else
 #endif
         vec_func_hash = g_instance.vec_func_hash;