diff --git a/.gitmodules b/.gitmodules
index f525392b..68b49644 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -3,4 +3,4 @@
 	url = https://gitee.com/xia-chu/ZLToolKit
 [submodule "3rdpart/media-server"]
 	path = 3rdpart/media-server
-	url = https://gitee.com/xia-chu/media-server
+	url = https://gitee.com/ireader/media-server
diff --git a/3rdpart/media-server b/3rdpart/media-server
index ec171caa..0caa03c0 160000
--- a/3rdpart/media-server
+++ b/3rdpart/media-server
@@ -1 +1 @@
-Subproject commit ec171caa4b28db0f6ea47bca2c0c9530f345698a
+Subproject commit 0caa03c07e2ed40ec996479d594f1a75e9bd3f03
diff --git a/src/Record/MP4.cpp b/src/Record/MP4.cpp
index 292bc793..b4919222 100644
--- a/src/Record/MP4.cpp
+++ b/src/Record/MP4.cpp
@@ -107,13 +107,13 @@ static struct mov_buffer_t s_io = {
             MP4FileIO *thiz = (MP4FileIO *) ctx;
             return thiz->onWrite(data, bytes);
         },
-        [](void *ctx, uint64_t offset) {
+        [](void *ctx, int64_t offset) {
             MP4FileIO *thiz = (MP4FileIO *) ctx;
             return thiz->onSeek(offset);
         },
         [](void *ctx) {
             MP4FileIO *thiz = (MP4FileIO *) ctx;
-            return (uint64_t)thiz->onTell();
+            return (int64_t)thiz->onTell();
         }
 };
 
diff --git a/src/Record/MP4Demuxer.cpp b/src/Record/MP4Demuxer.cpp
index 7df9ed27..08d59f6c 100644
--- a/src/Record/MP4Demuxer.cpp
+++ b/src/Record/MP4Demuxer.cpp
@@ -172,16 +172,14 @@ struct Context{
 Frame::Ptr MP4Demuxer::readFrame(bool &keyFrame, bool &eof) {
     keyFrame = false;
     eof = false;
-    static mov_reader_onread mov_reader_onread = [](void *param, uint32_t track_id, const void *buffer, size_t bytes, int64_t pts, int64_t dts, int flags) {
+
+    static mov_reader_onread2 mov_onalloc = [](void *param, uint32_t track_id, size_t bytes, int64_t pts, int64_t dts, int flags) -> void * {
         Context *ctx = (Context *) param;
         ctx->pts = pts;
         ctx->dts = dts;
         ctx->flags = flags;
         ctx->track_id = track_id;
-    };
 
-    static mov_onalloc mov_onalloc = [](void *param, int bytes) -> void * {
-        Context *ctx = (Context *) param;
         ctx->buffer = ctx->thiz->_buffer_pool.obtain();
         ctx->buffer->setCapacity(bytes + DATA_OFFSET + 1);
         ctx->buffer->setSize(bytes + DATA_OFFSET);
@@ -189,7 +187,7 @@ Frame::Ptr MP4Demuxer::readFrame(bool &keyFrame, bool &eof) {
     };
 
     Context ctx = {this, 0};
-    auto ret = mov_reader_read2(_mov_reader.get(), mov_onalloc, mov_reader_onread, &ctx);
+    auto ret = mov_reader_read2(_mov_reader.get(), mov_onalloc, &ctx);
     switch (ret) {
         case 0 : {
             eof = true;