diff --git a/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c b/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c
index b241aca66..d3d5c6361 100755
--- a/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c
+++ b/rtos/code/application/source/cardv/SrcCode/FastFlow/flow_preview.c
@@ -1165,19 +1165,19 @@ static UINT32 ae_adc_tbl[57][3] = {
 		{702,  203, 1070},
 		{701,  267, 1070},
 		{700,  301, 1010},
-		{699,  403, 1020},
-		{698,  760, 1000},
-		{697,  1085, 1000},// 524
-		{696,  1516, 1000},
-		{695,  1802, 1000},
-		{694,  2333, 1000},
-		{693,  3630, 1000},
-		{691,  4668, 1000},
-		{689,  7009, 1000},
-		{687,  8333, 1600},
-		{684,  8333, 2150},
-		{681,  8333, 2550},
-		{679,  8333, 2760},
+		{699,  333, 1020},
+		{698,  386, 1000},
+		{697,  423, 1000},// 524
+		{696,  502, 1000},
+		{695,  560, 1000},
+		{694,  828, 1000},
+		{693,  991, 1000},
+		{691,  1192, 1000},
+		{689,  1325, 1000},
+		{687,  1620, 1000},
+		{684,  1999, 1000},//8333, 2150},
+		{681,  3808, 1000},//8333, 2550},
+		{679,  8333, 1070},
 		{669,  8333, 3030},
 		{645,  8333, 3160},
 		{617,  8333, 3400},
@@ -1191,9 +1191,9 @@ static UINT32 ae_adc_tbl[57][3] = {
 		{446,  16666, 2720},
 		{422,  16666, 2890},
 		{399,  16666, 3000},
-		{376,  16666, 3300},
-		{353,  16666, 3500},
-		{330,  16666, 4740},
+		{376,  16666, 3000},
+		{353,  16666, 3000},
+		{330,  16666, 3000},
 		{308,  16666, 3950},// 12190},
 		{286,  16666, 4210},// 26600},
 		{264,  16666, 4500}, //45770},
diff --git a/rtos/code/application/source/cardv/SrcCode/UIApp/PhotoFast/PhotoFast.h b/rtos/code/application/source/cardv/SrcCode/UIApp/PhotoFast/PhotoFast.h
index cc8a54c77..20f56df13 100755
--- a/rtos/code/application/source/cardv/SrcCode/UIApp/PhotoFast/PhotoFast.h
+++ b/rtos/code/application/source/cardv/SrcCode/UIApp/PhotoFast/PhotoFast.h
@@ -9,8 +9,8 @@
 #define FLGPHOTOFAST_SHUTDOWN      0x00000002
 
 #define FLGPHOTOFAST_MASK          FLGPTN_BIT_ALL
-#define PHOTOFAST_AE_PRESET_FRAME_CNT		21		/* lock AE */
-#define PHOTOFAST_START_CAP_FRAME_CNT		(PHOTOFAST_AE_PRESET_FRAME_CNT + 4*2)		/* capture frame, it should be larger than PHOTOFAST_AE_PRESET_FRAME_CNT by 3 */
+#define PHOTOFAST_AE_PRESET_FRAME_CNT		11		/* lock AE */
+#define PHOTOFAST_START_CAP_FRAME_CNT		(PHOTOFAST_AE_PRESET_FRAME_CNT + 3*2)		/* capture frame, it should be larger than PHOTOFAST_AE_PRESET_FRAME_CNT by 3 */
 #define PHOTOFAST_HD_PUSH_PULL_TIMEOUT_MS 3000
 
 // Naming rule & FileDB