diff --git a/app/fm.c b/app/fm.c
index 0dffa6b..94309b2 100644
--- a/app/fm.c
+++ b/app/fm.c
@@ -36,7 +36,15 @@
 	#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 #endif
 
-uint16_t          gFM_Channels[20];
+// 根据 ENABLE_CHINESE_FULL 宏的值来定义数组长度
+#if ENABLE_CHINESE_FULL != 4
+	#define FM_CHANNEL_COUNT 20
+#else
+	#define FM_CHANNEL_COUNT 30
+#endif
+
+
+uint16_t          gFM_Channels[FM_CHANNEL_COUNT];
 bool              gFmRadioMode;
 uint8_t           gFmRadioCountdown_500ms;
 volatile uint16_t gFmPlayCountdown_10ms;
@@ -124,10 +132,17 @@ void FM_EraseChannels(void)
 	uint8_t      Template[8];
 
 	memset(Template, 0xFF, sizeof(Template));
+#if ENABLE_CHINESE_FULL != 4
 	for (i = 0; i < 5; i++)
 		EEPROM_WriteBuffer(0x0E40 + (i * 8), Template,8);
 
 	memset(gFM_Channels, 0xFF, sizeof(gFM_Channels));
+#else
+	for (i = 0; i < 8; i++)
+		EEPROM_WriteBuffer(0x1FFC0 + (i * 8), Template,8);
+
+	memset(gFM_Channels, 0xFF, sizeof(gFM_Channels));
+#endif	
 }
 
 void FM_Tune(uint16_t Frequency, int8_t Step, bool bFlag)
@@ -209,7 +224,7 @@ if (BK1080_REG_07_GET_SNR(Test2) <= 2){
 
 	// not BLE(less than or equal)
 	if (Frequency > LowerLimit && (Frequency - BK1080_BaseFrequency) == 1) {
-		if (BK1080_FrequencyDeviation & 0x800 || (BK1080_FrequencyDeviation < 20))
+		if (BK1080_FrequencyDeviation & 0x800 || (BK1080_FrequencyDeviation < FM_CHANNEL_COUNT))
 			goto Bail;
 	}
 
@@ -304,7 +319,7 @@ static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
 						return;
 					}
 				}
-				else if (Channel < 20) {
+				else if (Channel < FM_CHANNEL_COUNT) {
 #ifdef ENABLE_VOICE
 					gAnotherVoiceID = (VOICE_ID_t)Key;
 #endif
@@ -490,7 +505,7 @@ static void Key_UP_DOWN(uint8_t state, int8_t Step)
 
 	if (gAskToSave) {
 		gRequestDisplayScreen = DISPLAY_FM;
-		gFM_ChannelPosition   = NUMBER_AddWithWraparound(gFM_ChannelPosition, Step, 0, 19);
+		gFM_ChannelPosition   = NUMBER_AddWithWraparound(gFM_ChannelPosition, Step, 0, FM_CHANNEL_COUNT - 1);
 		return;
 	}
 
@@ -600,10 +615,10 @@ void FM_Play(void)
 			return;
 		}
 
-		if (gFM_ChannelPosition < 20)
+		if (gFM_ChannelPosition < FM_CHANNEL_COUNT)
 			gFM_Channels[gFM_ChannelPosition++] = gEeprom.FM_FrequencyPlaying;
 
-		if (gFM_ChannelPosition >= 20)
+		if (gFM_ChannelPosition >= FM_CHANNEL_COUNT)
 		{
 			FM_PlayAndUpdate();
 			GUI_SelectNextDisplay(DISPLAY_FM);
diff --git a/app/fm.h b/app/fm.h
index 5f8f81e..5f94713 100644
--- a/app/fm.h
+++ b/app/fm.h
@@ -29,7 +29,15 @@ enum {
 };
 extern bool              FM_EXIT_FLAG;
 
-extern uint16_t          gFM_Channels[20];
+// 根据 ENABLE_CHINESE_FULL 宏的值来定义数组长度
+#if ENABLE_CHINESE_FULL != 4
+	#define FM_CHANNEL_COUNT 20
+#else
+	#define FM_CHANNEL_COUNT 30
+#endif
+
+
+extern uint16_t          gFM_Channels[FM_CHANNEL_COUNT];
 extern bool              gFmRadioMode;
 extern uint8_t           gFmRadioCountdown_500ms;
 extern volatile uint16_t gFmPlayCountdown_10ms;
diff --git a/settings.c b/settings.c
index 1dbaa6f..2dd8493 100644
--- a/settings.c
+++ b/settings.c
@@ -106,7 +106,16 @@ void SETTINGS_InitEEPROM(void)
 	}
 
 	// 0E40..0E67
-	EEPROM_ReadBuffer(0x0E40, gFM_Channels, sizeof(gFM_Channels));
+    //0x1FFF0..0x20000
+        // 根据 ENABLE_CHINESE_FULL 宏的值来定义数组长度
+#if ENABLE_CHINESE_FULL != 4
+    // 使用 0E40
+    EEPROM_ReadBuffer(0x0E40, gFM_Channels, sizeof(gFM_Channels));
+#else
+    // 使用 1E451
+    EEPROM_ReadBuffer(0x1FFF0 , gFM_Channels, sizeof(gFM_Channels));
+#endif
+	// EEPROM_ReadBuffer(0x0E40, gFM_Channels, sizeof(gFM_Channels));
 	FM_ConfigureChannelState();
 #endif
 
@@ -430,7 +439,11 @@ void SETTINGS_FactoryReset(bool bIsAll)
                          !(i >= 0x0D60 && i < 0x0E28) &&     // MR Channel Attributes
                          !(i >= 0x0F18 && i < 0x0F30) &&     // Scan List
                          !(i >= 0x0F50 && i < 0x1C00) &&     // MR Channel Names
+                         #if ENABLE_CHINESE_FULL != 4
                          !(i >= 0x0E40 && i < 0x0E70) &&     // FM Channels
+                         #else
+                         !(i >= 0x1FFF0 && i < 0x20000) &&   // FM Channels
+                         #endif
                          !(i >= 0x0E88 && i < 0x0E90)        // FM settings
                  ))
                 )
@@ -474,9 +487,19 @@ void SETTINGS_SaveFM(void)
 		State.IsChannelSelected = gEeprom.FM_IsMrMode;
 
 		EEPROM_WriteBuffer(0x0E88, &State,8);
+#if ENABLE_CHINESE_FULL != 4        
 		for (i = 0; i < 5; i++)
-			EEPROM_WriteBuffer(0x0E40 + (i * 8), &gFM_Channels[i * 4],8);
-	}
+            
+	        EEPROM_WriteBuffer(0x0E40 + (i * 8), &gFM_Channels[i * 4],8);
+			// EEPROM_WriteBuffer(0x0E40 + (i * 8), &gFM_Channels[i * 4],8);
+	
+#else
+		for (i = 0; i < 8; i++)
+	        EEPROM_WriteBuffer(0x1FFF0 + (i * 8), &gFM_Channels[i * 4],8);
+
+			// EEPROM_WriteBuffer(0x0E40 + (i * 8), &gFM_Channels[i * 4],8);
+#endif
+    }	
 #endif
 
 void SETTINGS_SaveVfoIndices(void)
diff --git a/ui/fmradio.c b/ui/fmradio.c
index 2607b2e..6762811 100644
--- a/ui/fmradio.c
+++ b/ui/fmradio.c
@@ -45,6 +45,7 @@ UI_DisplayClear();
 			pPrintStr = String;
 		} else {
 			pPrintStr = "VFO";
+			#if ENABLE_CHINESE_FULL != 4
 			for (unsigned int i = 0; i < 20; i++) {
 				if (gEeprom.FM_FrequencyPlaying == gFM_Channels[i]) {
 					sprintf(String, "VFO(CH%02u)", i + 1);
@@ -52,6 +53,16 @@ UI_DisplayClear();
 					break;
 				}
 			}
+			#else
+			for (unsigned int i = 0; i < 30; i++) {
+				if (gEeprom.FM_FrequencyPlaying == gFM_Channels[i]) {
+					sprintf(String, "VFO(CH%02u)", i + 1);
+					pPrintStr = String;
+					break;
+				}
+			}
+			#endif
+
 		}
 	} else if (gFM_AutoScan) {
 		sprintf(String, "A-SCAN(%u)", gFM_ChannelPosition + 1);