diff --git a/common/BUILD.gn b/common/BUILD.gn
index e3ec2a2..efa365c 100644
--- a/common/BUILD.gn
+++ b/common/BUILD.gn
@@ -33,6 +33,7 @@ ohos_shared_library("distributed_camera_utils") {
   sources = [
     "src/utils/data_buffer.cpp",
     "src/utils/dcamera_utils_tools.cpp",
+    "src/utils/dcamera_sa_process_state.cpp",
   ]
 
   deps = [
diff --git a/services/cameraservice/base/include/dcamera_sa_process_state.h b/common/include/utils/dcamera_sa_process_state.h
similarity index 57%
rename from services/cameraservice/base/include/dcamera_sa_process_state.h
rename to common/include/utils/dcamera_sa_process_state.h
index 442f7ae..789fac2 100644
--- a/services/cameraservice/base/include/dcamera_sa_process_state.h
+++ b/common/include/utils/dcamera_sa_process_state.h
@@ -16,30 +16,10 @@
 #ifndef DCAMERA_SA_PROCESS_STATE_H
 #define DCAMERA_SA_PROCESS_STATE_H
 
-#include "single_instance.h"
-
-#include <mutex>
-
 namespace OHOS {
 namespace DistributedHardware {
-class DCameraSAProcessState {
-DECLARE_SINGLE_INSTANCE_BASE(DCameraSAProcessState);
-
-public:
-    void SetSinkProcessExit();
-    void SetSourceProcessExit();
-private:
-    typedef enum {
-        DCAMERA_SA_EXIT_STATE_START = 0,
-        DCAMERA_SA_EXIT_STATE_STOP = 1
-    } DCameraSAState;
-    DCameraSAProcessState() = default;
-    ~DCameraSAProcessState();
-    void CheckSAProcessState();
-    DCameraSAState sinkSAState_ = DCAMERA_SA_EXIT_STATE_START;
-    DCameraSAState sourceSAState_ = DCAMERA_SA_EXIT_STATE_START;
-    std::mutex saProcessState_;
-};
+void SetSinkProcessExit();
+void SetSourceProcessExit();
 } // namespace DistributedHardware
 } // namespace OHOS
 #endif // DCAMERA_SA_EXIT_STATE_H
diff --git a/services/cameraservice/base/src/dcamera_sa_process_state.cpp b/common/src/utils/dcamera_sa_process_state.cpp
similarity index 69%
rename from services/cameraservice/base/src/dcamera_sa_process_state.cpp
rename to common/src/utils/dcamera_sa_process_state.cpp
index 9e38cca..46d0ed6 100644
--- a/services/cameraservice/base/src/dcamera_sa_process_state.cpp
+++ b/common/src/utils/dcamera_sa_process_state.cpp
@@ -15,43 +15,47 @@
 
 #include "dcamera_sa_process_state.h"
 
+#include <mutex>
+
 #include "distributed_hardware_log.h"
 
 namespace OHOS {
 namespace DistributedHardware {
-IMPLEMENT_SINGLE_INSTANCE(DCameraSAProcessState);
 
-DCameraSAProcessState::~DCameraSAProcessState()
-{
-    DHLOGI("DCameraSAProcessState Delete");
-}
+typedef enum {
+    DCAMERA_SA_EXIT_STATE_START = 0,
+    DCAMERA_SA_EXIT_STATE_STOP = 1
+} DCameraSAState;
 
-void DCameraSAProcessState::SetSinkProcessExit()
+DCameraSAState sinkSAState_ = DCAMERA_SA_EXIT_STATE_START;
+DCameraSAState sourceSAState_ = DCAMERA_SA_EXIT_STATE_START;
+std::mutex saProcessState_;
+
+void SetSinkProcessExit()
 {
     DHLOGI("set sink process exit.");
     std::lock_guard<std::mutex> autoLock(saProcessState_);
     sinkSAState_ = DCAMERA_SA_EXIT_STATE_STOP;
-    CheckSAProcessState();
-}
-
-void DCameraSAProcessState::SetSourceProcessExit()
-{
-    DHLOGI("set sources process exit.");
-    std::lock_guard<std::mutex> autoLock(saProcessState_);
-    sourceSAState_ = DCAMERA_SA_EXIT_STATE_STOP;
-    CheckSAProcessState();
-}
-
-void DCameraSAProcessState::CheckSAProcessState()
-{
-    DHLOGI("start exit sa process.");
     DHLOGI("sourceSAState_ = %d sinkSAState_ = %d", sourceSAState_, sinkSAState_);
     if (sourceSAState_ == DCAMERA_SA_EXIT_STATE_START || sinkSAState_ == DCAMERA_SA_EXIT_STATE_START) {
-        DHLOGI("=============DCAMERA_SA_EXIT_STATE_START==============");
         return;
     }
     DHLOGI("exit sa process success.");
     exit(0);
 }
+
+void SetSourceProcessExit()
+{
+    DHLOGI("set sources process exit.");
+    std::lock_guard<std::mutex> autoLock(saProcessState_);
+    sourceSAState_ = DCAMERA_SA_EXIT_STATE_STOP;
+    DHLOGI("sourceSAState_ = %d sinkSAState_ = %d", sourceSAState_, sinkSAState_);
+    if (sourceSAState_ == DCAMERA_SA_EXIT_STATE_START || sinkSAState_ == DCAMERA_SA_EXIT_STATE_START) {
+        return;
+    }
+    DHLOGI("exit sa process success.");
+    exit(0);
+}
+
 } // namespace DistributedHardware
 } // namespace OHOS
\ No newline at end of file
diff --git a/services/cameraservice/sinkservice/BUILD.gn b/services/cameraservice/sinkservice/BUILD.gn
index 6d3318e..ca6b9c4 100644
--- a/services/cameraservice/sinkservice/BUILD.gn
+++ b/services/cameraservice/sinkservice/BUILD.gn
@@ -71,7 +71,6 @@ ohos_shared_library("distributed_camera_sink") {
     "${services_path}/cameraservice/base/src/dcamera_info_cmd.cpp",
     "${services_path}/cameraservice/base/src/dcamera_metadata_setting_cmd.cpp",
     "${services_path}/cameraservice/base/src/dcamera_open_info_cmd.cpp",
-    "${services_path}/cameraservice/base/src/dcamera_sa_process_state.cpp",
     "src/distributedcamera/distributed_camera_sink_service.cpp",
     "src/distributedcamera/distributed_camera_sink_stub.cpp",
     "src/distributedcameramgr/callback/dcamera_sink_controller_state_callback.cpp",
diff --git a/services/cameraservice/sinkservice/src/distributedcamera/distributed_camera_sink_service.cpp b/services/cameraservice/sinkservice/src/distributedcamera/distributed_camera_sink_service.cpp
index 3d3f23f..41ea35c 100644
--- a/services/cameraservice/sinkservice/src/distributedcamera/distributed_camera_sink_service.cpp
+++ b/services/cameraservice/sinkservice/src/distributedcamera/distributed_camera_sink_service.cpp
@@ -117,8 +117,8 @@ int32_t DistributedCameraSinkService::ReleaseSink()
         }
     }
     camerasMap_.clear();
-    DHLOGI("check source sa state.");
-    DCameraSAProcessState::GetInstance().SetSinkProcessExit();
+    DHLOGI("check sink sa state.");
+    SetSinkProcessExit();
     return DCAMERA_OK;
 }
 
diff --git a/services/cameraservice/sourceservice/BUILD.gn b/services/cameraservice/sourceservice/BUILD.gn
index 4724802..8f53c80 100644
--- a/services/cameraservice/sourceservice/BUILD.gn
+++ b/services/cameraservice/sourceservice/BUILD.gn
@@ -60,7 +60,6 @@ ohos_shared_library("distributed_camera_source") {
     "${services_path}/cameraservice/base/src/dcamera_info_cmd.cpp",
     "${services_path}/cameraservice/base/src/dcamera_metadata_setting_cmd.cpp",
     "${services_path}/cameraservice/base/src/dcamera_open_info_cmd.cpp",
-    "${services_path}/cameraservice/base/src/dcamera_sa_process_state.cpp",
     "src/distributedcamera/dcamera_service_state_listener.cpp",
     "src/distributedcamera/dcamera_source_callback_proxy.cpp",
     "src/distributedcamera/distributed_camera_source_service.cpp",
diff --git a/services/cameraservice/sourceservice/src/distributedcamera/distributed_camera_source_service.cpp b/services/cameraservice/sourceservice/src/distributedcamera/distributed_camera_source_service.cpp
index 9ac40be..e02d965 100644
--- a/services/cameraservice/sourceservice/src/distributedcamera/distributed_camera_source_service.cpp
+++ b/services/cameraservice/sourceservice/src/distributedcamera/distributed_camera_source_service.cpp
@@ -104,7 +104,7 @@ int32_t DistributedCameraSourceService::ReleaseSource()
     }
     listener_ = nullptr;
     DHLOGI("check source sa state.");
-    DCameraSAProcessState::GetInstance().SetSourceProcessExit();
+    SetSourceProcessExit();
     return DCAMERA_OK;
 }