diff --git a/package/netease/netease_voice/src/include/msc.h b/package/netease/netease_voice/src/include/msc.h
index 79630c27a..a34cac9d9 100644
--- a/package/netease/netease_voice/src/include/msc.h
+++ b/package/netease/netease_voice/src/include/msc.h
@@ -27,7 +27,7 @@ extern "C" {
 //__FUNCTION__, __LINE__))
 
 #define USED_NETEASE_AI (1)   // netease MSC library
-#define USED_NETEASE_DC (1)   // netease data collection library
+#define USED_NETEASE_DC (0)   // netease data collection library
 #define USED_NETEASE_FMAE (0) // netease CAE library
 #define USED_NETEASE_DUILITE (1)
 #define USED_NETEASE_DUILITE_VAD (1)
diff --git a/target/allwinner/mandolin-pv1/defconfig b/target/allwinner/mandolin-pv1/defconfig
index 20effa503..4fae918e7 100644
--- a/target/allwinner/mandolin-pv1/defconfig
+++ b/target/allwinner/mandolin-pv1/defconfig
@@ -137,8 +137,7 @@ CONFIG_KERNEL_KALLSYMS=y
 # CONFIG_KERNEL_FANOTIFY is not set
 # CONFIG_KERNEL_BLK_DEV_BSG is not set
 CONFIG_KERNEL_MAGIC_SYSRQ=y
-CONFIG_KERNEL_COREDUMP=y
-CONFIG_KERNEL_ELF_CORE=y
+# CONFIG_KERNEL_ELF_CORE is not set
 # CONFIG_KERNEL_PROVE_LOCKING is not set
 CONFIG_KERNEL_PRINTK_TIME=y
 # CONFIG_KERNEL_SLABINFO is not set
@@ -2166,11 +2165,6 @@ CONFIG_PACKAGE_libip4tc=y
 # CONFIG_PACKAGE_libiptc is not set
 CONFIG_PACKAGE_libxtables=y
 
-#
-# GPU Libraries
-#
-# CONFIG_PACKAGE_mali400-um is not set
-
 #
 # IoT
 #
@@ -2604,7 +2598,6 @@ CONFIG_PACKAGE_terminfo=y
 # CONFIG_PACKAGE_uclibcxx is not set
 # CONFIG_PACKAGE_uriparser is not set
 CONFIG_PACKAGE_uthash=y
-# CONFIG_PACKAGE_uvoice is not set
 # CONFIG_PACKAGE_xkeyboard-config is not set
 CONFIG_PACKAGE_zlib=y
 
@@ -2852,8 +2845,8 @@ CONFIG_XUNFEI_CAE_SDK=y
 CONFIG_NETEASE_DUILITE_SDK=y
 # CONFIG_NETEASE_TTS_SDK is not set
 CONFIG_XUNFEI_TTS_SDK=y
-# CONFIG_USED_NONE is not set
-CONFIG_USED_DC_SDK=y
+CONFIG_USED_NONE=y
+# CONFIG_USED_DC_SDK is not set
 CONFIG_PACKAGE_ntes_record=y
 # CONFIG_PACKAGE_ota is not set
 # CONFIG_PACKAGE_pv1res is not set