diff --git a/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/cx9261adriver.cc b/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/cx9261adriver.cc
index 55d29ea..8b37782 100644
--- a/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/cx9261adriver.cc
+++ b/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/cx9261adriver.cc
@@ -896,13 +896,14 @@ bool afcPll1()
     writeSpi(0x617, 0x03);
     pause(delay_afc);
     writeSpi(0x61D, saved);
-    pause(delay_afc);
-    const auto lock = readSpi(0x635);
+//    pause(delay_afc);
+//    const auto lock = readSpi(0x635);
 //    const auto lock1 = readSpi(0x635);
 //    const auto lock2 = readSpi(0x635);
 //    const auto lock3 = readSpi(0x635);
 //    return 0x10 & lock & lock1 & lock2 & lock3 ;
-    return 0x10 & lock  ;
+//    return 0x10 & lock  ;
+    return true  ;
 }
 
 bool afcPll2()
@@ -915,13 +916,15 @@ bool afcPll2()
     writeSpi(0x639, 0x03);
     pause(delay_afc);
     writeSpi(0x63F, saved);
-    pause(delay_afc);
-    const auto lock = readSpi(0x657);
+//    pause(delay_afc);
+//    const auto lock = readSpi(0x657);
 //    const auto lock1 = readSpi(0x657);
 //    const auto lock2 = readSpi(0x657);
 //    const auto lock3 = readSpi(0x657);
 //    return 0x10 & lock & lock1 & lock2 & lock3 ;
-    return 0x10 & lock  ;
+//    return 0x10 & lock  ;
+
+    return true  ;
 }
 
 bool afcPll3()
diff --git a/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/defs.h b/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/defs.h
index 053f447..df123b6 100644
--- a/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/defs.h
+++ b/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/defs.h
@@ -55,7 +55,7 @@ enum class NCOMode { Bypass = 0, Up, Down, BIST, Master, Slaver };
  * @brief AFC等待延时，单位ms
  */
 constexpr double delay = 100;
-constexpr double delay_afc = 0.020;
+constexpr double delay_afc = 0.025;
 /**
  * @brief QEC等待延时，单位ms
  */
diff --git a/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/frqhop_config.cc b/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/frqhop_config.cc
index 6df37de..c4a9c93 100644
--- a/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/frqhop_config.cc
+++ b/cx9261a_demo_cmos_20240513/vitis_classic_autobuild/source_CX9261A_CPPV4/frqhop_config.cc
@@ -29,6 +29,7 @@ void frqhop_config(int hop_flag){
 	static int hop_cnt = 0;
 	static int next_pll_index = 2;
 	static double curr_freq;
+	static double hop_freq = MIN_FREQ + FREQ_SEP;
 	static double next_freq = MIN_FREQ;
 	static int unlock_pll1_cnt = 0, unlock_pll2_cnt = 0;
 
@@ -36,13 +37,17 @@ void frqhop_config(int hop_flag){
 	{
 		curr_freq = next_freq;
 		hop_cnt++;
-		if (hop_cnt % 3 == 2)
+		if (hop_cnt % 3 == 0)
 		{
 			next_freq = MIN_FREQ;
 		}
 		else
 		{
-			next_freq = (curr_freq + FREQ_SEP > MAX_FREQ) ? MIN_FREQ : curr_freq + FREQ_SEP;
+			hop_freq += FREQ_SEP;
+			if( hop_freq > MAX_FREQ){
+				hop_freq = MIN_FREQ + FREQ_SEP;
+			}
+			next_freq = hop_freq;
 		}
 
 		if (next_pll_index == 2)