diff --git a/search/src/main/java/org/zstack/query/MysqlQueryBuilderImpl3.java b/search/src/main/java/org/zstack/query/MysqlQueryBuilderImpl3.java
index 1f1c2abd816..6ab094b71aa 100755
--- a/search/src/main/java/org/zstack/query/MysqlQueryBuilderImpl3.java
+++ b/search/src/main/java/org/zstack/query/MysqlQueryBuilderImpl3.java
@@ -730,7 +730,15 @@ String toJpql(boolean isCount) {
                             throw new IllegalArgumentException(String.format("illegal sortBy[%s], entity[%s] doesn't have this field", msg.getSortBy(), info.entityClass.getName()));
                         }
 
-                        ret = String.format("%s order by %s.%s %s", ret, entityName, msg.getSortBy(), msg.getSortDirection().toUpperCase());
+                        if ("uuid".equals(msg.getSortBy())) {
+                            ret = String.format("%s order by %s.%s %s", ret, entityName, msg.getSortBy(), msg.getSortDirection().toUpperCase());
+                        } else {
+                            // 追加 uuid 作为 tiebreaker，确保排序稳定
+                            ret = String.format("%s order by %s.%s %s, %s.uuid ASC", ret, entityName, msg.getSortBy(), msg.getSortDirection().toUpperCase(), entityName);
+                        }
+                    } else if (!msg.isCount()) {
+                        // 无排序字段时添加默认排序
+                        ret = String.format("%s order by %s.uuid ASC", ret, entityName);
                     }
 
                     if (msg.getGroupBy() != null) {
diff --git a/search/src/main/java/org/zstack/query/QueryFacadeImpl.java b/search/src/main/java/org/zstack/query/QueryFacadeImpl.java
index 3a0a291b1bc..80a837d3b46 100755
--- a/search/src/main/java/org/zstack/query/QueryFacadeImpl.java
+++ b/search/src/main/java/org/zstack/query/QueryFacadeImpl.java
@@ -483,7 +483,15 @@ public ZQLQueryReturn queryUseZQL(APIQueryMessage msg, Class inventoryClass) {
         }
 
         if (msg.getSortBy() != null) {
-            sb.add(String.format("order by %s %s", msg.getSortBy(), msg.getSortDirection()));
+            if ("uuid".equals(msg.getSortBy())) {
+                sb.add(String.format("order by %s %s", msg.getSortBy(), msg.getSortDirection()));
+            } else {
+                // 追加 uuid 作为 tiebreaker，确保排序稳定
+                sb.add(String.format("order by %s %s, uuid asc", msg.getSortBy(), msg.getSortDirection()));
+            }
+        } else if (!msg.isCount()) {
+            // 无排序字段时添加默认排序
+            sb.add("order by uuid asc");
         }
 
         if (msg.getLimit() != null) {