diff --git a/README.md b/README.md
index b57e6f3..436f4c5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # three_lead_ecg_v2
 
 ```
+V19:
+    1. 什么都没有更新，只不过V18存在多个版本，所以重新命名为V19
 V18:
     1.支持直接读取ads1293 LOD信息
     
diff --git a/app/src/basic/version.h b/app/src/basic/version.h
index 37d6897..d56cc54 100644
--- a/app/src/basic/version.h
+++ b/app/src/basic/version.h
@@ -2,7 +2,7 @@
 #define CATEGORY "M1002" // 三导联
 #define MANUFACTURER_NAME "iflytop"
 
-#define FIRMWARE_VERSION (18)
+#define FIRMWARE_VERSION (19)
 #define BLESTACK_VERSION 1
 #define BOOTLOADER_VERSION 1
 #define HARDWARE_VERSION (1)
diff --git a/release/V18/three_lead_ecg_v18.hex b/release/V19/three_lead_ecg_v19.hex
similarity index 99%
rename from release/V18/three_lead_ecg_v18.hex
rename to release/V19/three_lead_ecg_v19.hex
index bb62ad6..8a0cd8e 100644
--- a/release/V18/three_lead_ecg_v18.hex
+++ b/release/V19/three_lead_ecg_v19.hex
@@ -10965,7 +10965,7 @@
 :10BBD0003A3B3C3D3E3F5B5D7C7F00001FB5002251
 :10BBE0000092ADF800100192ADF80210029203929B
 :10BBF00002AA694690DF04B010BD20BF70477047AD
-:10BC000001207047012070471220704701207047C3
+:10BC000001207047012070471320704701207047C2
 :10BC100070B54FF01021064651F8804F4D6822460E
 :10BC20002B460AA10D48FDF73BFA24B11DB1641C57
 :10BC300001D06D1C03D10AA10848FDF731FA304646
@@ -12472,7 +12472,7 @@
 :1019F000B51002400113142EB320041A095823070E
 :101A00000612640A23027064F81503A955014015F3
 :101A100010014011A996013212802B9265BA22144E
-:081A2000022112040090D00322
+:081A2000022113040090D00321
 :020000040007F3
 :1020000080930020D9230700E1230700E323070082
 :10201000E5230700E7230700E9230700000000008D
@@ -15451,8 +15451,8 @@
 :10D9E000FCD3070004D40700000000000090D0031F
 :10D9F00000000000000000006D4F07000010000054
 :04DA0000000008001A
-:10E00000B46BB938020000000100000001000000FC
-:10E01000000000000000000028AA0000A016C8515F
+:10E000009597028502000000010000000100000059
+:10E01000000000000000000028AA00003B569334D6
 :10E0200001000000000000000000000000000000EF
 :10E0300000000000000000000000000000000000E0
 :10E0400000000000000000000000000000000000D0
@@ -15488,12 +15488,12 @@
 :10E2200000000000000000000000000000000000EE
 :10E2300000000000000000000000000000000000DE
 :10E2400000000000000000000000000000000000CE
-:10E2500000000000000000000000000056A567D983
+:10E2500000000000000000000000000001A35002C8
 :10E2600000000000000000000000000000000000AE
 :10E27000000000000000000000000000000000009E
 :10E28000000000000000000000000000000000008E
 :10E29000000000000000000000000000000000007E
-:10E2A0000001A016C851000000000000000000009E
+:10E2A00000013B5693340000000000000000000015
 :10E2B000000000000000000000000000000000005E
 :10E2C000000000000000000000000000000000004E
 :10E2D000000000000000000000000000000000003E
@@ -15502,8 +15502,8 @@
 :10E30000000000000000000000000000000000000D
 :10E3100000000000000000000000000000000000FD
 :04E32000000000FFFA
-:10F00000B46BB938020000000100000001000000EC
-:10F01000000000000000000028AA0000A016C8514F
+:10F000009597028502000000010000000100000049
+:10F01000000000000000000028AA00003B569334C6
 :10F0200001000000000000000000000000000000DF
 :10F0300000000000000000000000000000000000D0
 :10F0400000000000000000000000000000000000C0
@@ -15539,12 +15539,12 @@
 :10F2200000000000000000000000000000000000DE
 :10F2300000000000000000000000000000000000CE
 :10F2400000000000000000000000000000000000BE
-:10F2500000000000000000000000000056A567D973
+:10F2500000000000000000000000000001A35002B8
 :10F26000000000000000000000000000000000009E
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 :10F28000000000000000000000000000000000007E
 :10F29000000000000000000000000000000000006E
-:10F2A0000001A016C851000000000000000000008E
+:10F2A00000013B5693340000000000000000000005
 :10F2B000000000000000000000000000000000004E
 :10F2C000000000000000000000000000000000003E
 :10F2D000000000000000000000000000000000002E
diff --git a/release/V18/three_lead_ecg_v18.zip b/release/V19/three_lead_ecg_v19.zip
similarity index 98%
rename from release/V18/three_lead_ecg_v18.zip
rename to release/V19/three_lead_ecg_v19.zip
index fc1054a..7398720 100644
Binary files a/release/V18/three_lead_ecg_v18.zip and b/release/V19/three_lead_ecg_v19.zip differ