diff --git a/interfaces/innerkits/jit_code_sign/include/pac_sign_ctx.h b/interfaces/innerkits/jit_code_sign/include/pac_sign_ctx.h
index 7bbd8c422ec81f1a9c2a9844f1f73c12147d41c3..914dc3429481f9296b2ab6eb1673c639ce6bc47e 100644
--- a/interfaces/innerkits/jit_code_sign/include/pac_sign_ctx.h
+++ b/interfaces/innerkits/jit_code_sign/include/pac_sign_ctx.h
@@ -35,7 +35,7 @@ enum ContextType {
 
 class PACSignCtx {
 public:
-    PACSignCtx(CTXPurpose purpose = CTXPurpose::VERIFY, uint32_t salt = 0);
+    PACSignCtx(CTXPurpose purpose = CTXPurpose::SIGN, uint32_t salt = 0);
     ~PACSignCtx();
     void Init(int index);
     void InitSalt();
diff --git a/interfaces/innerkits/jit_code_sign/src/pac_sign_ctx.cpp b/interfaces/innerkits/jit_code_sign/src/pac_sign_ctx.cpp
index ef86c14aa21f929dad10a0d0d1d103209edc985c..51bca26d939ed71e5a38aab1bb6abaa4d4950b80 100644
--- a/interfaces/innerkits/jit_code_sign/src/pac_sign_ctx.cpp
+++ b/interfaces/innerkits/jit_code_sign/src/pac_sign_ctx.cpp
@@ -32,7 +32,7 @@ constexpr uint32_t HIGH_BITS_RIGHT_SHIFT = 32;
 static inline uint64_t PACDB(uint64_t value, uint64_t modifier)
 {
 #ifdef ARCH_PAC_SUPPORT
-    asm volatile("pacdb %0, %1" : "+r"(value) : "r"(modifier) :);
+    asm volatile("pacda %0, %1" : "+r"(value) : "r"(modifier) :);
 #endif
     return value;
 }
@@ -40,7 +40,7 @@ static inline uint64_t PACDB(uint64_t value, uint64_t modifier)
 static inline uint64_t AUTDB(uint64_t value, uint64_t modifier)
 {
 #ifdef ARCH_PAC_SUPPORT
-    asm volatile("autdb %0, %1" : "+r"(value) : "r"(modifier) :);
+    asm volatile("autda %0, %1" : "+r"(value) : "r"(modifier) :);
 #endif
     return value;
 }