diff --git a/attestation/rac/ka/ka_ca_demo.c b/attestation/rac/ka/ka_ca_demo.c
index 499980d018998f92f4c85e3a6f994e990dcbb4a3..a4d780ab6086d652144946f96a7ea88472e88294 100644
--- a/attestation/rac/ka/ka_ca_demo.c
+++ b/attestation/rac/ka/ka_ca_demo.c
@@ -69,7 +69,7 @@ TEEC_Result initialize(TEEC_Context *context, TEEC_Session *session){
     ret = TEEC_InitializeContext(NULL, context);
     if (ret != TEEC_SUCCESS) {
         printf("teec initial failed!");
-        return 0;
+        return ret;
     }
 
     operation.started = OPERATION_START_FLAG;
@@ -83,7 +83,7 @@ TEEC_Result initialize(TEEC_Context *context, TEEC_Session *session){
     if (ret != TEEC_SUCCESS) {
         printf("teec open session failed!");
         TEEC_FinalizeContext(context);
-        return 0;
+        return ret;
     }
 
     operation.started = OPERATION_START_FLAG;