diff --git a/model/input/driver/touchscreen/touch_gt911.c b/model/input/driver/touchscreen/touch_gt911.c
index df8aa506..5936d8f3 100644
--- a/model/input/driver/touchscreen/touch_gt911.c
+++ b/model/input/driver/touchscreen/touch_gt911.c
@@ -250,6 +250,7 @@ static void FreeChipConfig(TouchChipCfg *config)
 {
     if (config == NULL) {
         HDF_LOGE("%s: param is null", __func__);
+        return;
     }
     if (config->pwrSeq.pwrOn.buf != NULL) {
         OsalMemFree(config->pwrSeq.pwrOn.buf);
@@ -294,7 +295,7 @@ static int32_t HdfGoodixChipInit(struct HdfDeviceObject *device)
     chipDev->ops = &g_gt911ChipOps;
     chipDev->chipName = chipCfg->chipName;
     chipDev->vendorName = chipCfg->vendorName;
-    device->priv = chipDev;
+    device->priv = (void *)chipDev;
 
     if (RegisterTouchChipDevice(chipDev) != HDF_SUCCESS) {
         goto EXIT1;
@@ -311,18 +312,10 @@ EXIT:
 
 static void HdfGoodixChipRelease(struct HdfDeviceObject *device)
 {
-    ChipDevice *chipDev = NULL;
     if (device == NULL || device->priv == NULL) {
         HDF_LOGE("%s: param is null", __func__);
         return;
     }
-
-    chipDev = (ChipDevice *)device->priv;
-    if (chipDev->chipCfg != NULL) {
-        FreeChipConfig(chipDev->chipCfg);
-    }
-    OsalMemFree(chipDev);
-
     HDF_LOGI("%s: goodix chip is release", __func__);
 }