diff --git a/fe/src/main/java/org/apache/doris/load/Load.java b/fe/src/main/java/org/apache/doris/load/Load.java
index 4655d9a5890e51..27cf9bc76bd460 100644
--- a/fe/src/main/java/org/apache/doris/load/Load.java
+++ b/fe/src/main/java/org/apache/doris/load/Load.java
@@ -283,6 +283,9 @@ public boolean addLoadJob(TMiniLoadRequest request) throws DdlException {
 
             String columnSeparatorStr = params.get(LoadStmt.KEY_IN_PARAM_COLUMN_SEPARATOR);
             if (columnSeparatorStr != null) {
+                if (columnSeparatorStr.isEmpty()) {
+                    columnSeparatorStr = "\t";
+                }
                 columnSeparator = new ColumnSeparator(columnSeparatorStr);
                 try {
                     columnSeparator.analyze();
diff --git a/fe/src/main/java/org/apache/doris/load/LoadChecker.java b/fe/src/main/java/org/apache/doris/load/LoadChecker.java
index 91a8ba348a57c6..9ac727effdd50f 100644
--- a/fe/src/main/java/org/apache/doris/load/LoadChecker.java
+++ b/fe/src/main/java/org/apache/doris/load/LoadChecker.java
@@ -267,8 +267,9 @@ private void runOneLoadingJob(LoadJob job) {
             LOG.debug("job {} is already committed, just wait it to be visiable, transaction state {}", job, state);
             return;
         } else if (state.getTransactionStatus() == TransactionStatus.VISIBLE) {
-            // if job is committed and then fe restart, the progress is not persisted, so that set it here
-            load.updateLoadJobState(job, JobState.FINISHED);
+            if (load.updateLoadJobState(job, JobState.FINISHED)) {
+                load.clearJob(job, JobState.QUORUM_FINISHED);
+            }
             return;
         }