diff --git a/mindspore/lite/java/src/java/cn/huawei/mindspore/Model.java b/mindspore/lite/java/src/java/cn/huawei/mindspore/Model.java
index e2c8d701d95b6656c47dd2f2493d53c65a79f074..6eb1d1c8d91ba602b76225c9033cb8d9ee90cc76 100644
--- a/mindspore/lite/java/src/java/cn/huawei/mindspore/Model.java
+++ b/mindspore/lite/java/src/java/cn/huawei/mindspore/Model.java
@@ -56,7 +56,7 @@ public class Model {
             }
             if (null != fileDescriptor) {
                 try {
-                    fis.close();
+                    fileDescriptor.close();
                 } catch (IOException e) {
                     Log.e("MS_LITE", "Close fileDescriptor failed: " + e.getMessage());
                 }
diff --git a/mindspore/lite/java/src/native/runtime/context.cpp b/mindspore/lite/java/src/native/runtime/context.cpp
index 15f8db091dfbfac8ecb75228ef0970c458352705..2e5b55d7f9ba269428ba0e90693152e13b9941ae 100644
--- a/mindspore/lite/java/src/native/runtime/context.cpp
+++ b/mindspore/lite/java/src/native/runtime/context.cpp
@@ -59,7 +59,7 @@ extern "C" JNIEXPORT jlong JNICALL Java_cn_huawei_mindspore_context_Context_crea
 
 extern "C" JNIEXPORT void JNICALL Java_cn_huawei_mindspore_context_Context_free(JNIEnv *env, jobject thiz,
                                                                                 jlong context_ptr) {
-  auto *pointer = static_cast<void *>(context_ptr);
+  auto *pointer = reinterpret_cast<void *>(context_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Context pointer from java is nullptr");
     return;
diff --git a/mindspore/lite/java/src/native/runtime/lite_session.cpp b/mindspore/lite/java/src/native/runtime/lite_session.cpp
index be309364ba49536a50f95858d16f3254a59a1560..0b3806e40008c66c75514c56d22fbbaed286e8c0 100644
--- a/mindspore/lite/java/src/native/runtime/lite_session.cpp
+++ b/mindspore/lite/java/src/native/runtime/lite_session.cpp
@@ -24,7 +24,7 @@
 
 extern "C" JNIEXPORT jlong JNICALL Java_cn_huawei_mindspore_LiteSession_createSession(JNIEnv *env, jobject thiz,
                                                                                       jlong context_ptr) {
-  auto *pointer = static_cast<void *>(context_ptr);
+  auto *pointer = reinterpret_cast<void *>(context_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Context pointer from java is nullptr");
     return jlong(nullptr);
@@ -41,13 +41,13 @@ extern "C" JNIEXPORT jlong JNICALL Java_cn_huawei_mindspore_LiteSession_createSe
 extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_LiteSession_compileGraph(JNIEnv *env, jobject thiz,
                                                                                         jlong session_ptr,
                                                                                         jlong model_ptr) {
-  auto *session_pointer = static_cast<void *>(session_ptr);
+  auto *session_pointer = reinterpret_cast<void *>(session_ptr);
   if (session_pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return (jboolean) false;
   }
   auto *lite_session_ptr = static_cast<mindspore::session::LiteSession *>(session_pointer);
-  auto *model_pointer = static_cast<void *>(model_ptr);
+  auto *model_pointer = reinterpret_cast<void *>(model_ptr);
   if (model_pointer == nullptr) {
     MS_LOGE("Model pointer from java is nullptr");
     return (jboolean) false;
@@ -60,7 +60,7 @@ extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_LiteSession_compi
 
 extern "C" JNIEXPORT void JNICALL Java_cn_huawei_mindspore_LiteSession_bindThread(JNIEnv *env, jobject thiz,
                                                                                   jlong session_ptr, jboolean if_bind) {
-  auto *pointer = static_cast<void *>(session_ptr);
+  auto *pointer = reinterpret_cast<void *>(session_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return;
@@ -71,7 +71,7 @@ extern "C" JNIEXPORT void JNICALL Java_cn_huawei_mindspore_LiteSession_bindThrea
 
 extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_LiteSession_runGraph(JNIEnv *env, jobject thiz,
                                                                                     jlong session_ptr) {
-  auto *pointer = static_cast<void *>(session_ptr);
+  auto *pointer = reinterpret_cast<void *>(session_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return (jboolean) false;
@@ -90,7 +90,7 @@ extern "C" JNIEXPORT jobject JNICALL Java_cn_huawei_mindspore_LiteSession_getInp
 
   jclass long_object = env->FindClass("java/lang/Long");
   jmethodID long_object_construct = env->GetMethodID(long_object, "<init>", "(J)V");
-  auto *pointer = static_cast<void *>(session_ptr);
+  auto *pointer = reinterpret_cast<void *>(session_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return ret;
@@ -114,7 +114,7 @@ extern "C" JNIEXPORT jobject JNICALL Java_cn_huawei_mindspore_LiteSession_getInp
 
   jclass long_object = env->FindClass("java/lang/Long");
   jmethodID long_object_construct = env->GetMethodID(long_object, "<init>", "(J)V");
-  auto *pointer = static_cast<void *>(session_ptr);
+  auto *pointer = reinterpret_cast<void *>(session_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return ret;
@@ -135,7 +135,7 @@ extern "C" JNIEXPORT jobject JNICALL Java_cn_huawei_mindspore_LiteSession_getOut
   jobject hash_map = env->NewObject(hash_map_clazz, hash_map_construct);
   jmethodID hash_map_put =
     env->GetMethodID(hash_map_clazz, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
-  auto *pointer = static_cast<void *>(session_ptr);
+  auto *pointer = reinterpret_cast<void *>(session_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return hash_map;
@@ -170,7 +170,7 @@ extern "C" JNIEXPORT jobject JNICALL Java_cn_huawei_mindspore_LiteSession_getOut
 
   jclass long_object = env->FindClass("java/lang/Long");
   jmethodID long_object_construct = env->GetMethodID(long_object, "<init>", "(J)V");
-  auto *pointer = static_cast<void *>(session_ptr);
+  auto *pointer = reinterpret_cast<void *>(session_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return ret;
@@ -186,7 +186,7 @@ extern "C" JNIEXPORT jobject JNICALL Java_cn_huawei_mindspore_LiteSession_getOut
 
 extern "C" JNIEXPORT void JNICALL Java_cn_huawei_mindspore_LiteSession_free(JNIEnv *env, jobject thiz,
                                                                             jlong session_ptr) {
-  auto *pointer = static_cast<void *>(session_ptr);
+  auto *pointer = reinterpret_cast<void *>(session_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Session pointer from java is nullptr");
     return;
diff --git a/mindspore/lite/java/src/native/runtime/model.cpp b/mindspore/lite/java/src/native/runtime/model.cpp
index d0c78fe48e3f90abae0e931a2edd31d8f323cdcb..589f51faa66ec5fa89da67a152e1becb8746009f 100644
--- a/mindspore/lite/java/src/native/runtime/model.cpp
+++ b/mindspore/lite/java/src/native/runtime/model.cpp
@@ -40,7 +40,7 @@ extern "C" JNIEXPORT jlong JNICALL Java_cn_huawei_mindspore_Model_loadModel(JNIE
 }
 
 extern "C" JNIEXPORT void JNICALL Java_cn_huawei_mindspore_Model_free(JNIEnv *env, jobject thiz, jlong model_ptr) {
-  auto *pointer = static_cast<void *>(model_ptr);
+  auto *pointer = reinterpret_cast<void *>(model_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Model pointer from java is nullptr");
     return;
diff --git a/mindspore/lite/java/src/native/runtime/ms_tensor.cpp b/mindspore/lite/java/src/native/runtime/ms_tensor.cpp
index e0cb5b2880af1f2ad49598e8435dbaf8af418e96..517962570ff04d097df3f048b9850a0d859b5c67 100644
--- a/mindspore/lite/java/src/native/runtime/ms_tensor.cpp
+++ b/mindspore/lite/java/src/native/runtime/ms_tensor.cpp
@@ -41,7 +41,7 @@ extern "C" JNIEXPORT jlong JNICALL Java_cn_huawei_mindspore_MSTensor_createMSTen
 
 extern "C" JNIEXPORT jintArray JNICALL Java_cn_huawei_mindspore_MSTensor_getShape(JNIEnv *env, jobject thiz,
                                                                                   jlong tensor_ptr) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return env->NewIntArray(0);
@@ -64,7 +64,7 @@ extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_MSTensor_setShape
                                                                                  jint shape_len) {
   jboolean is_copy = false;
   jint *local_shape_arr = env->GetIntArrayElements(shape, &is_copy);
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return static_cast<jboolean>(false);
@@ -80,7 +80,7 @@ extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_MSTensor_setShape
 
 extern "C" JNIEXPORT jint JNICALL Java_cn_huawei_mindspore_MSTensor_getDataType(JNIEnv *env, jobject thiz,
                                                                                 jlong tensor_ptr) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return static_cast<jboolean>(false);
@@ -91,7 +91,7 @@ extern "C" JNIEXPORT jint JNICALL Java_cn_huawei_mindspore_MSTensor_getDataType(
 
 extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_MSTensor_setDataType(JNIEnv *env, jobject thiz,
                                                                                     jlong tensor_ptr, jint data_type) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return static_cast<jboolean>(false);
@@ -103,7 +103,7 @@ extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_MSTensor_setDataT
 
 extern "C" JNIEXPORT jbyteArray JNICALL Java_cn_huawei_mindspore_MSTensor_getData(JNIEnv *env, jobject thiz,
                                                                                   jlong tensor_ptr) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return env->NewByteArray(0);
@@ -123,7 +123,7 @@ extern "C" JNIEXPORT jbyteArray JNICALL Java_cn_huawei_mindspore_MSTensor_getDat
 extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_MSTensor_setData(JNIEnv *env, jobject thiz,
                                                                                 jlong tensor_ptr, jbyteArray data,
                                                                                 jlong data_len) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return static_cast<jboolean>(false);
@@ -141,7 +141,7 @@ extern "C" JNIEXPORT jboolean JNICALL Java_cn_huawei_mindspore_MSTensor_setData(
 }
 
 extern "C" JNIEXPORT jlong JNICALL Java_cn_huawei_mindspore_MSTensor_size(JNIEnv *env, jobject thiz, jlong tensor_ptr) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return 0;
@@ -152,7 +152,7 @@ extern "C" JNIEXPORT jlong JNICALL Java_cn_huawei_mindspore_MSTensor_size(JNIEnv
 
 extern "C" JNIEXPORT jint JNICALL Java_cn_huawei_mindspore_MSTensor_elementsNum(JNIEnv *env, jobject thiz,
                                                                                 jlong tensor_ptr) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return 0;
@@ -162,7 +162,7 @@ extern "C" JNIEXPORT jint JNICALL Java_cn_huawei_mindspore_MSTensor_elementsNum(
 }
 
 extern "C" JNIEXPORT void JNICALL Java_cn_huawei_mindspore_MSTensor_free(JNIEnv *env, jobject thiz, jlong tensor_ptr) {
-  auto *pointer = static_cast<void *>(tensor_ptr);
+  auto *pointer = reinterpret_cast<void *>(tensor_ptr);
   if (pointer == nullptr) {
     MS_LOGE("Tensor pointer from java is nullptr");
     return;