diff --git a/src/observer/CMakeLists.txt b/src/observer/CMakeLists.txt
index a4ca55b87bc038f4724d8cd2f7e43f29da0b3c39..6ca62169866a7d252c484fdd44511a3af095a57c 100644
--- a/src/observer/CMakeLists.txt
+++ b/src/observer/CMakeLists.txt
@@ -338,11 +338,15 @@ endif()
 target_link_libraries(observer
   PRIVATE
   ob_main
+  -Wl,--start-group
   oceanbase_static
-  -static-libgcc
-  -static-libstdc++
   ${link_malloc_hook}
   ${LGPL_DEPS}
+  oblib
+  easy
+  -Wl,--end-group
+  -static-libgcc
+  -static-libstdc++
   )
 execute_process(
   COMMAND sh -c "cd ${CMAKE_SOURCE_DIR} && git rev-parse HEAD"