diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
index e30207880b18b7..e4a30f472597a3 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@@ -4841,17 +4841,22 @@ public boolean isDropTableIfCtasFailed() {
         return dropTableIfCtasFailed;
     }
 
-    public void checkQueryTimeoutValid(String newQueryTimeout) {
-        int value = Integer.valueOf(newQueryTimeout);
-        if (value <= 0) {
-            UnsupportedOperationException exception =
-                    new UnsupportedOperationException(
-                        "query_timeout can not be set to " + newQueryTimeout + ", it must be greater than 0");
-            LOG.warn("Check query_timeout failed", exception);
-            throw exception;
-        }
+    public void checkQueryTimeoutValid(String newQueryTimeout) throws AnalysisException {
+    int value;
+    try {
+        value = Integer.parseInt(newQueryTimeout);
+    } catch (NumberFormatException e) {
+        throw new AnalysisException(
+                "query_timeout must be a positive integer, but got: " + newQueryTimeout);
     }
 
+    if (value <= 0) {
+        throw new AnalysisException(
+                "query_timeout must be greater than 0, but got: " + newQueryTimeout);
+    }
+}
+
+
     public void checkMaxExecutionTimeMSValid(String newValue) {
         int value = Integer.valueOf(newValue);
         if (value < 1000) {