diff --git a/paddle/contrib/inference/CMakeLists.txt b/paddle/contrib/inference/CMakeLists.txt
index a8bbb4eb8081420ae0bbaf761bd27303c0d043cb..c30eff5010748685838feb984c9c817ffcf14c11 100644
--- a/paddle/contrib/inference/CMakeLists.txt
+++ b/paddle/contrib/inference/CMakeLists.txt
@@ -46,9 +46,14 @@ cc_library(paddle_inference_api
     SRCS paddle_inference_api.cc paddle_inference_api_impl.cc
     DEPS ${FLUID_CORE_MODULES} ${GLOB_OP_LIB})
 
+# Here the shared library doesn't depend on other fluid libraries, or double free will occur.
 cc_library(paddle_inference_api_shared SHARED
-    SRCS paddle_inference_api.cc paddle_inference_api_impl.cc
-    DEPS ${FLUID_CORE_MODULES} ${GLOB_OP_LIB})
+    SRCS paddle_inference_api.cc paddle_inference_api_impl.cc)
+set_target_properties(paddle_inference_api_shared PROPERTIES OUTPUT_NAME paddle_inference_api)
+if(NOT APPLE)
+  set(LINK_FLAGS "-fPIC -fvisibility=hidden")
+  set_target_properties(paddle_inference_api_shared PROPERTIES LINK_FLAGS "${LINK_FLAGS}")
+endif()
 
 cc_test(test_paddle_inference_api
         SRCS test_paddle_inference_api.cc
diff --git a/paddle/contrib/inference/paddle_inference_api.cc b/paddle/contrib/inference/paddle_inference_api.cc
index ea46b3006f8d0964cc8229d3683ee7b602d6ef0d..4fe198ad7d4a752882965e9e7fc460741de53d22 100644
--- a/paddle/contrib/inference/paddle_inference_api.cc
+++ b/paddle/contrib/inference/paddle_inference_api.cc
@@ -23,7 +23,6 @@ int PaddleDtypeSize(PaddleDType dtype) {
     case PaddleDType::INT64:
       return sizeof(int64_t);
     default:
-      //
       assert(false);
       return -1;
   }