diff --git a/.github/workflows/pd-tests.yaml b/.github/workflows/pd-tests.yaml
index 3674e41cf8a..1508c1a1457 100644
--- a/.github/workflows/pd-tests.yaml
+++ b/.github/workflows/pd-tests.yaml
@@ -72,7 +72,7 @@ jobs:
           TOTAL_JOBS: ${{needs.chunks.outputs.job-total}}
         run: for i in $(seq 1 $TOTAL_JOBS); do cat covprofile_$i >> covprofile; done
       - name: Send coverage
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v4.2.0
         with:
           token: ${{ secrets.CODECOV }}
           file: ./covprofile
diff --git a/client/Makefile b/client/Makefile
index 89c4936d179..3328bfe8d11 100644
--- a/client/Makefile
+++ b/client/Makefile
@@ -13,18 +13,18 @@
 # limitations under the License.
 
 ROOT_PATH := $(shell pwd)/..
-GO_TOOLS_BIN_PATH := $(shell pwd)/../.tools/bin
+GO_TOOLS_BIN_PATH := $(ROOT_PATH)/.tools/bin
 PATH := $(GO_TOOLS_BIN_PATH):$(PATH)
 SHELL := env PATH='$(PATH)' GOBIN='$(GO_TOOLS_BIN_PATH)' $(shell which bash)
 
 default: static tidy test
 
 test: failpoint-enable
-	CGO_ENABLE=1 go test ./... -v -tags deadlock -race -cover || { $(MAKE) failpoint-disable && exit 1; }
+	CGO_ENABLED=1 go test ./... -v -tags deadlock -race -cover || { $(MAKE) failpoint-disable && exit 1; }
 	$(MAKE) failpoint-disable
 
 basic-test: failpoint-enable
-	CGO_ENABLE=1 go test ./... || { $(MAKE) failpoint-disable && exit 1; }
+	CGO_ENABLED=1 go test ./... || { $(MAKE) failpoint-disable && exit 1; }
 	$(MAKE) failpoint-disable
 
 ci-test-job:
diff --git a/scripts/ci-subtask.sh b/scripts/ci-subtask.sh
index effd250965f..c00cba9c0a4 100755
--- a/scripts/ci-subtask.sh
+++ b/scripts/ci-subtask.sh
@@ -12,11 +12,11 @@ if [[ $2 -gt 9 ]]; then
     fi
 
     # Currently, we only have 3 integration tests, so we can hardcode the task index.
-    integrations_dir=./tests/integrations
+    integrations_dir=$(pwd)/tests/integrations
     integrations_tasks=($(find "$integrations_dir" -mindepth 1 -maxdepth 1 -type d))
     for t in "${integrations_tasks[@]}"; do
         if [[ "$t" = "$integrations_dir/client" && $2 -eq 11 ]]; then
-            cd ./client && make ci-test-job && cat covprofile >> $ROOT_PATH_COV && cd .. || exit 1
+            cd ./client && make ci-test-job && cat covprofile >> $ROOT_PATH_COV || exit 1
             cd $integrations_dir && make ci-test-job test_name=client && cat ./client/covprofile >> $ROOT_PATH_COV || exit 1
         elif [[ "$t" = "$integrations_dir/tso" && $2 -eq 12 ]]; then
             cd $integrations_dir && make ci-test-job test_name=tso && cat ./tso/covprofile >> $ROOT_PATH_COV || exit 1
@@ -61,5 +61,5 @@ else
         [[ $(($min_i + 1)) -eq $2 ]] && res+=($t)
     done
 
-    CGO_ENABLED=1 go test -timeout=15m -tags deadlock -race -covermode=atomic -coverprofile=$ROOT_PATH_COV -coverpkg=./... ${res[@]}
+    CGO_ENABLED=1 go test -timeout=15m -tags deadlock -race -cover -covermode=atomic -coverprofile=$ROOT_PATH_COV -coverpkg=./... ${res[@]}
 fi
diff --git a/tests/integrations/Makefile b/tests/integrations/Makefile
index b43ecabce7e..73cf4da8ab9 100644
--- a/tests/integrations/Makefile
+++ b/tests/integrations/Makefile
@@ -35,8 +35,8 @@ test: failpoint-enable
 	$(MAKE) failpoint-disable
 
 ci-test-job:
-	if [ -f covprofile ]; then rm ./$(value test_name)/covprofile; fi
-	CGO_ENABLED=1 go test ./$(value test_name)/... -v -tags deadlock -race -cover -covermode=atomic -coverprofile=./$(value test_name)/covprofile -coverpkg=$(ROOT_PATH)/...
+	if [ -f ./$(value test_name)/covprofile ]; then rm ./$(value test_name)/covprofile; fi
+	CGO_ENABLED=1 go test ./$(value test_name)/... -v -tags deadlock -race -cover -covermode=atomic -coverprofile=./$(value test_name)/covprofile -coverpkg=../../...
 
 install-tools:
 	cd $(ROOT_PATH) && $(MAKE) install-tools