diff --git a/src/protocol/src/report_status/mod.rs b/src/protocol/src/report_status/mod.rs
index 601fda6..9e80919 100644
--- a/src/protocol/src/report_status/mod.rs
+++ b/src/protocol/src/report_status/mod.rs
@@ -18,11 +18,8 @@ pub enum TdVtpmReportStatus {
     NetworkError = 5,
     SecureSessionError = 6,
     MutualAttestationError = 7,
-    MigPolicyError = 8,
-    InvalidOperation = 9,
-    UserTdAlreadyExist = 10,
-    UserTdNotFound = 11,
-    ExceedMaxConnection = 12,
-    ExceedMaxTpmInstance = 13,
-    InternalError = 0xff,
+    VtpmMigPolicyError = 8,
+    VtpmInstanceAlreadyStarted = 9,
+    VtpmInstanceNotStarted = 0xA,
+    VtpmTdInternalError = 0xff,
 }
diff --git a/src/vtpmtd/src/vtpm/spdm_server.rs b/src/vtpmtd/src/vtpm/spdm_server.rs
index 9c4e187..a7953be 100644
--- a/src/vtpmtd/src/vtpm/spdm_server.rs
+++ b/src/vtpmtd/src/vtpm/spdm_server.rs
@@ -90,7 +90,7 @@ pub extern "C" fn start_spdm_server() {
                 &[],
                 vtpm_id,
                 rsp_packet.operation(),
-                TdVtpmReportStatus::InvalidOperation as u8,
+                TdVtpmReportStatus::InvalidParameter as u8,
             );
             continue;
         }
@@ -102,7 +102,7 @@ pub extern "C" fn start_spdm_server() {
                 &[],
                 vtpm_id,
                 operation as u8,
-                TdVtpmReportStatus::InvalidOperation as u8,
+                TdVtpmReportStatus::VtpmInstanceNotStarted as u8,
             );
             continue;
         }