diff --git a/framework/jni/android_net_NetworkUtils.cpp b/framework/jni/android_net_NetworkUtils.cpp
index 9bf910b..7478b3e 100644
--- a/framework/jni/android_net_NetworkUtils.cpp
+++ b/framework/jni/android_net_NetworkUtils.cpp
@@ -64,7 +64,7 @@
         filter_code,
     };
 
-    int fd = AFileDescriptor_getFD(env, javaFd);
+    int fd = AFileDescriptor_getFd(env, javaFd);
     if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)) != 0) {
         jniThrowExceptionFmt(env, "java/net/SocketException",
                 "setsockopt(SO_ATTACH_FILTER): %s", strerror(errno));
@@ -74,7 +74,7 @@
 static void android_net_utils_detachBPFFilter(JNIEnv *env, jobject clazz, jobject javaFd)
 {
     int optval_ignored = 0;
-    int fd = AFileDescriptor_getFD(env, javaFd);
+    int fd = AFileDescriptor_getFd(env, javaFd);
     if (setsockopt(fd, SOL_SOCKET, SO_DETACH_FILTER, &optval_ignored, sizeof(optval_ignored)) !=
         0) {
         jniThrowExceptionFmt(env, "java/net/SocketException",
@@ -107,7 +107,7 @@
 
 static jint android_net_utils_bindSocketToNetworkHandle(JNIEnv *env, jobject thiz, jobject javaFd,
                                                   jlong netHandle) {
-    return android_setsocknetwork(netHandle, AFileDescriptor_getFD(env, javaFd));
+    return android_setsocknetwork(netHandle, AFileDescriptor_getFd(env, javaFd));
 }
 
 static bool checkLenAndCopy(JNIEnv* env, const jbyteArray& addr, int len, void* dst)
@@ -156,7 +156,7 @@
 }
 
 static jobject android_net_utils_resNetworkResult(JNIEnv *env, jobject thiz, jobject javaFd) {
-    int fd = AFileDescriptor_getFD(env, javaFd);
+    int fd = AFileDescriptor_getFd(env, javaFd);
     int rcode;
     uint8_t buf[MAXPACKETSIZE] = {0};
 
@@ -182,7 +182,7 @@
 }
 
 static void android_net_utils_resNetworkCancel(JNIEnv *env, jobject thiz, jobject javaFd) {
-    int fd = AFileDescriptor_getFD(env, javaFd);
+    int fd = AFileDescriptor_getFd(env, javaFd);
     android_res_cancel(fd);
     jniSetFileDescriptorOfFD(env, javaFd, -1);
 }
@@ -210,7 +210,7 @@
         return NULL;
     }
 
-    int fd = AFileDescriptor_getFD(env, javaFd);
+    int fd = AFileDescriptor_getFd(env, javaFd);
     struct tcp_repair_window trw = {};
     socklen_t size = sizeof(trw);