diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e241146d1..9351c1ace 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -55,8 +55,10 @@ jobs:
         shell: C:\cygwin64\bin\bash.exe --login '{0}'
         run: |
           WORKDIR=$(cygpath -u $SRS_WORKSPACE) && export PATH=/usr/bin:/usr/local/bin && cd ${WORKDIR} &&
-          pwd && ls -lh && rm -rf trunk/objs && tar xf objs.tar.bz2 -C trunk/ && du -sh trunk/* && du -sh trunk/objs/* &&
-          cd ${WORKDIR}/trunk && ./configure --gb28181=on --utest=on && make utest && ./objs/srs_utest
+          pwd && rm -rf /usr/local/srs-cache && mkdir -p /usr/local/srs-cache/srs/trunk && 
+          tar xf objs.tar.bz2 -C /usr/local/srs-cache/srs/trunk/ && du -sh /usr/local/srs-cache/srs/trunk/* && 
+          cd ${WORKDIR}/trunk && ./configure --gb28181=on --utest=on && ls -lh && du -sh * && du -sh objs/* &&
+          cd ${WORKDIR}/trunk && make utest && ./objs/srs_utest
     outputs:
       SRS_CYGWIN_DONE: ok
 
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 3b9f663c0..3a9b01427 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -19,6 +19,7 @@ The changelog for SRS.
 
 ## SRS 5.0 Changelog
 
+* v5.0, 2022-12-12, Merge [#3301](https://github.com/ossrs/srs/pull/3301): DASH: Fix dash crash bug when writing file. v5.0.108
 * v5.0, 2022-12-09, Merge [#3296](https://github.com/ossrs/srs/pull/3296): SRT: Support SRT to RTMP to WebRTC. v5.0.107
 * v5.0, 2022-12-08, Merge [#3295](https://github.com/ossrs/srs/pull/3295): API: Parse fragment of URI. v5.0.106
 * v5.0, 2022-12-04, Cygwin: Enable gb28181 for Windows. v5.0.105
diff --git a/trunk/src/app/srs_app_dash.cpp b/trunk/src/app/srs_app_dash.cpp
index 8aeabeebf..2820589c8 100644
--- a/trunk/src/app/srs_app_dash.cpp
+++ b/trunk/src/app/srs_app_dash.cpp
@@ -458,7 +458,7 @@ void SrsDashController::on_unpublish()
         srs_freep(err);
     }
 
-    if (acurrent->duration() > 0) {
+    if (acurrent && acurrent->duration() > 0) {
         afragments->append(acurrent);
         acurrent = NULL;
     }
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index 248311493..cfed8e8fc 100644
--- a/trunk/src/core/srs_core_version5.hpp
+++ b/trunk/src/core/srs_core_version5.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    107
+#define VERSION_REVISION    108
 
 #endif