diff --git a/.github/workflows/apk-audio-tagging.yaml b/.github/workflows/apk-audio-tagging.yaml
index c11180c4..bd8cd7e0 100644
--- a/.github/workflows/apk-audio-tagging.yaml
+++ b/.github/workflows/apk-audio-tagging.yaml
@@ -160,6 +160,9 @@ jobs:
             export GIT_LFS_SKIP_SMUDGE=1
             export GIT_CLONE_PROTECTION_ACTIVE=false
 
+            SHERPA_ONNX_VERSION=$(grep "SHERPA_ONNX_VERSION" ./CMakeLists.txt  | cut -d " " -f 2  | cut -d '"' -f 2)
+            echo "SHERPA_ONNX_VERSION $SHERPA_ONNX_VERSION"
+
             git clone https://csukuangfj:$HF_TOKEN@huggingface.co/csukuangfj/sherpa-onnx-apk huggingface
             cd huggingface
             git fetch
@@ -167,7 +170,10 @@ jobs:
             git merge -m "merge remote" --ff origin main
 
             mkdir -p audio-tagging
-            cp -v ../apks/*.apk ./audio-tagging/
+            d=audio-tagging/$SHERPA_ONNX_VERSION
+            mkdir -p $d
+            cp -v ../apks/*.apk ./$d
+
             git status
             git lfs track "*.apk"
             git add .
diff --git a/.github/workflows/pkg-config.yaml b/.github/workflows/pkg-config.yaml
index 48ef160b..68459af0 100644
--- a/.github/workflows/pkg-config.yaml
+++ b/.github/workflows/pkg-config.yaml
@@ -110,13 +110,6 @@ jobs:
           gcc -o offline-tts-c-api $(pkg-config --cflags sherpa-onnx) ./offline-tts-c-api.c $(pkg-config --libs sherpa-onnx)
           ./offline-tts-c-api --help
 
-      - name: Test offline TTS C API
-        shell: bash
-        run: |
-          export PATH=$PWD/c-api-examples:$PATH
-          export EXE=offline-tts-c-api
-          .github/scripts/test-offline-tts.sh
-
       - name: Test online transducer (C API)
         shell: bash
         run: |
diff --git a/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-impl.h b/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-impl.h
index 56ddbecc..090186be 100644
--- a/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-impl.h
+++ b/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-impl.h
@@ -6,6 +6,7 @@
 #define SHERPA_ONNX_CSRC_OFFLINE_SPEECH_DENOISER_GTCRN_IMPL_H_
 
 #include <algorithm>
+#include <cmath>
 #include <memory>
 #include <utility>
 #include <vector>
diff --git a/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-model.cc b/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-model.cc
index 1de44f22..3a4741c1 100644
--- a/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-model.cc
+++ b/sherpa-onnx/csrc/offline-speech-denoiser-gtcrn-model.cc
@@ -54,7 +54,7 @@ class OfflineSpeechDenoiserGtcrnModel::Impl {
     return meta_;
   }
 
-  States GetInitStates() const {
+  States GetInitStates() {
     Ort::Value conv_cache = Ort::Value::CreateTensor<float>(
         allocator_, meta_.conv_cache_shape.data(),
         meta_.conv_cache_shape.size());