diff --git a/interfaces/innerkits/code_sign_attr_utils/include/code_sign_attr_utils.h b/interfaces/innerkits/code_sign_attr_utils/include/code_sign_attr_utils.h
index f7d63f21676ee098b60cfe8dd2a1b1bcde4ae860..c2354ff4d28d23cd39366393d49bfcf0563ad066 100755
--- a/interfaces/innerkits/code_sign_attr_utils/include/code_sign_attr_utils.h
+++ b/interfaces/innerkits/code_sign_attr_utils/include/code_sign_attr_utils.h
@@ -22,8 +22,13 @@
 extern "C" {
 #endif
 
-#define MAX_OWNERID_LEN 64
+#if defined(__LP64__)
+#define XPM_REGION_LEN 0x100000000
+#else
 #define XPM_REGION_LEN 0x10000000
+#endif
+
+#define MAX_OWNERID_LEN 64
 
 #define OWNERID_SYSTEM_TAG "SYSTEM_LIB_ID"
 #define OWNERID_DEBUG_TAG  "DEBUG_LIB_ID"