diff --git a/conf/db/upgrade/V5.5.12__schema.sql b/conf/db/upgrade/V5.5.12__schema.sql
new file mode 100644
index 0000000000..0867be18c0
--- /dev/null
+++ b/conf/db/upgrade/V5.5.12__schema.sql
@@ -0,0 +1,5 @@
+-- ZSTAC-68709: Add targetQueueKey column for evaluation task queue concurrency control
+CALL ADD_COLUMN('ModelEvaluationTaskVO', 'targetQueueKey', 'VARCHAR(512)', 1, NULL);
+
+-- ZSTAC-70478: Add deleted (soft-delete) column for ModelServiceVO
+CALL ADD_COLUMN('ModelServiceVO', 'deleted', 'tinyint(1)', 0, '0');
diff --git a/utils/src/main/java/org/zstack/utils/clouderrorcode/CloudOperationsErrorCode.java b/utils/src/main/java/org/zstack/utils/clouderrorcode/CloudOperationsErrorCode.java
index a550fb7d67..53bfdbc33d 100644
--- a/utils/src/main/java/org/zstack/utils/clouderrorcode/CloudOperationsErrorCode.java
+++ b/utils/src/main/java/org/zstack/utils/clouderrorcode/CloudOperationsErrorCode.java
@@ -14804,6 +14804,8 @@ public class CloudOperationsErrorCode {
 
     public static final String ORG_ZSTACK_AI_10133 = "ORG_ZSTACK_AI_10133";
 
+    public static final String ORG_ZSTACK_AI_10134 = "ORG_ZSTACK_AI_10134";
+
     public static final String ORG_ZSTACK_CORE_CLOUDBUS_10000 = "ORG_ZSTACK_CORE_CLOUDBUS_10000";
 
     public static final String ORG_ZSTACK_CORE_CLOUDBUS_10001 = "ORG_ZSTACK_CORE_CLOUDBUS_10001";