diff --git a/fe/fe-core/src/main/java/com/starrocks/system/NodeSelector.java b/fe/fe-core/src/main/java/com/starrocks/system/NodeSelector.java
index 341056b350c91..fc084fa838286 100644
--- a/fe/fe-core/src/main/java/com/starrocks/system/NodeSelector.java
+++ b/fe/fe-core/src/main/java/com/starrocks/system/NodeSelector.java
@@ -66,17 +66,18 @@ public List<Long> seqChooseBackendIdsByStorageMedium(int backendNum, boolean nee
     }
 
     public Long seqChooseBackendOrComputeId() throws UserException {
+        if (RunMode.isSharedDataMode()) {
+            List<Long> computeNodes = seqChooseComputeNodes(1, true, false);
+            if (CollectionUtils.isNotEmpty(computeNodes)) {
+                return computeNodes.get(0);
+            }
+        }
+
         List<Long> backendIds = seqChooseBackendIds(1, true, false, null);
         if (CollectionUtils.isNotEmpty(backendIds)) {
             return backendIds.get(0);
         }
-        if (RunMode.isSharedNothingMode()) {
-            throw new UserException("No backend alive.");
-        }
-        List<Long> computeNodes = seqChooseComputeNodes(1, true, false);
-        if (CollectionUtils.isNotEmpty(computeNodes)) {
-            return computeNodes.get(0);
-        }
+
         throw new UserException("No backend or compute node alive.");
     }