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 3adfbc0d1a..51f8f4ecbf 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
@@ -1490,10 +1490,7 @@ public class SessionVariable implements Serializable, Writable {
         }
 
         // set random 1, 10, 100, 1000, 10000
-        // this.topnOptLimitThreshold = (int) Math.pow(10, random.nextInt(5));
-        // Now P0 test have some failed cese about topn, but can't reproduce at local
-        // So set this threshold to 0 temporary.
-        this.topnOptLimitThreshold = 0;
+        this.topnOptLimitThreshold = (int) Math.pow(10, random.nextInt(5));
     }
 
     public String printFuzzyVariables() {