diff --git a/Feature-add-tpcm-support-with-ipmi-channel.patch b/Feature-add-tpcm-support-with-ipmi-channel.patch
index 17fd2783d59fc43c272db120b3e5f28c99ce5138..8601945b7567ef34bfb3661f46f1a9ec48e4c0b6 100644
--- a/Feature-add-tpcm-support-with-ipmi-channel.patch
+++ b/Feature-add-tpcm-support-with-ipmi-channel.patch
@@ -185,7 +185,7 @@ index 0000000..42fcc2f
 +    CHAR16 *description)
 +{
 +    UINT32 filename_len = StrLen(description) * 2 + 1;
-+    UINT32 stage_base = bm_stage_base++;
++    UINT32 stage_base = bm_stage_base;
 +    UINT8 filename[FIRMWARE_NAME_SIZE] = {0};
 +
 +    if (filename_len > FIRMWARE_NAME_SIZE) {
diff --git a/shim.spec b/shim.spec
index 7dea3092c4987f089f8d90c22478b4c52c75ba01..ce0045d3e6fcf80222de22073f410d875e9fa965 100644
--- a/shim.spec
+++ b/shim.spec
@@ -25,7 +25,7 @@
 
 Name:	   	   shim
 Version:	   15.6
-Release:	   19
+Release:	   20
 Summary:	   First-stage UEFI bootloader
 ExclusiveArch:     x86_64 aarch64
 License:	   BSD
@@ -214,6 +214,9 @@ make test
 /usr/src/debug/%{name}-%{version}-%{release}/*
 
 %changelog
+* Tue May 7 2024 yixiangzhike <yixiangzhike007@163.com> - 15.6-20
+- fix the TPCM feature issue
+
 * Mon Apr 22 2024 lijuzhang <lijuzhang@inspur.com> - 15.6-19
 - replace vendor for BOOTX64.CSV or BOOTAA64.CSV