diff --git a/amoro-ams/src/main/java/org/apache/amoro/server/utils/IcebergTableUtil.java b/amoro-ams/src/main/java/org/apache/amoro/server/utils/IcebergTableUtil.java
index 0ef42e6c97..0df0637254 100644
--- a/amoro-ams/src/main/java/org/apache/amoro/server/utils/IcebergTableUtil.java
+++ b/amoro-ams/src/main/java/org/apache/amoro/server/utils/IcebergTableUtil.java
@@ -149,8 +149,9 @@ public static Set<DeleteFile> getDanglingDeleteFiles(Table internalTable) {
     if (internalTable.currentSnapshot() == null) {
       return Collections.emptySet();
     }
+    long snapshotId = internalTable.currentSnapshot().snapshotId();
     Set<String> deleteFilesPath = new HashSet<>();
-    TableScan tableScan = internalTable.newScan();
+    TableScan tableScan = internalTable.newScan().useSnapshot(snapshotId);
     try (CloseableIterable<FileScanTask> fileScanTasks = tableScan.planFiles()) {
       for (FileScanTask fileScanTask : fileScanTasks) {
         for (DeleteFile delete : fileScanTask.deletes()) {
@@ -165,7 +166,7 @@ public static Set<DeleteFile> getDanglingDeleteFiles(Table internalTable) {
     Set<DeleteFile> danglingDeleteFiles = new HashSet<>();
     TableEntriesScan entriesScan =
         TableEntriesScan.builder(internalTable)
-            .useSnapshot(internalTable.currentSnapshot().snapshotId())
+            .useSnapshot(snapshotId)
             .includeFileContent(FileContent.EQUALITY_DELETES, FileContent.POSITION_DELETES)
             .build();
     try (CloseableIterable<IcebergFileEntry> entries = entriesScan.entries()) {
diff --git a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/plan/AbstractOptimizingEvaluator.java b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/plan/AbstractOptimizingEvaluator.java
index 2fc8e399d5..abd30b002f 100644
--- a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/plan/AbstractOptimizingEvaluator.java
+++ b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/plan/AbstractOptimizingEvaluator.java
@@ -32,7 +32,6 @@
 import org.apache.amoro.table.KeyedTableSnapshot;
 import org.apache.amoro.table.MixedTable;
 import org.apache.amoro.table.TableSnapshot;
-import org.apache.amoro.utils.MixedTableUtil;
 import org.apache.iceberg.PartitionSpec;
 import org.apache.iceberg.Snapshot;
 import org.apache.iceberg.SnapshotSummary;
@@ -121,9 +120,7 @@ private void initPartitionPlans(TableFileScanHelper tableFileScanHelper) {
     try (CloseableIterable<TableFileScanHelper.FileScanResult> results =
         tableFileScanHelper.scan()) {
       for (TableFileScanHelper.FileScanResult fileScanResult : results) {
-        PartitionSpec partitionSpec =
-            MixedTableUtil.getMixedTablePartitionSpecById(
-                mixedTable, fileScanResult.file().specId());
+        PartitionSpec partitionSpec = tableFileScanHelper.getSpec(fileScanResult.file().specId());
         StructLike partition = fileScanResult.file().partition();
         String partitionPath = partitionSpec.partitionToPath(partition);
         PartitionEvaluator evaluator =
diff --git a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/IcebergTableFileScanHelper.java b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/IcebergTableFileScanHelper.java
index 856a89ebc1..de85e9a451 100644
--- a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/IcebergTableFileScanHelper.java
+++ b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/IcebergTableFileScanHelper.java
@@ -22,19 +22,24 @@
 import org.apache.amoro.shade.guava32.com.google.common.collect.Lists;
 import org.apache.amoro.utils.IcebergThreadPools;
 import org.apache.iceberg.FileScanTask;
+import org.apache.iceberg.PartitionSpec;
 import org.apache.iceberg.Table;
 import org.apache.iceberg.expressions.Expression;
 import org.apache.iceberg.expressions.Expressions;
 import org.apache.iceberg.io.CloseableIterable;
 
+import java.util.Map;
+
 public class IcebergTableFileScanHelper implements TableFileScanHelper {
   private final Table table;
   private Expression partitionFilter = Expressions.alwaysTrue();
   private final long snapshotId;
+  private final Map<Integer, PartitionSpec> specs;
 
   public IcebergTableFileScanHelper(Table table, long snapshotId) {
     this.table = table;
     this.snapshotId = snapshotId;
+    this.specs = table.specs();
   }
 
   @Override
@@ -61,4 +66,9 @@ public TableFileScanHelper withPartitionFilter(Expression partitionFilter) {
     this.partitionFilter = partitionFilter;
     return this;
   }
+
+  @Override
+  public PartitionSpec getSpec(int specId) {
+    return specs.get(specId);
+  }
 }
diff --git a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/KeyedTableFileScanHelper.java b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/KeyedTableFileScanHelper.java
index 30f28ee6c1..6327862409 100644
--- a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/KeyedTableFileScanHelper.java
+++ b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/KeyedTableFileScanHelper.java
@@ -68,11 +68,13 @@ public class KeyedTableFileScanHelper implements TableFileScanHelper {
   private final long changeSnapshotId;
   private final long baseSnapshotId;
   private Expression partitionFilter = Expressions.alwaysTrue();
+  private final PartitionSpec spec;
 
   public KeyedTableFileScanHelper(KeyedTable keyedTable, KeyedTableSnapshot snapshot) {
     this.keyedTable = keyedTable;
     this.baseSnapshotId = snapshot.baseSnapshotId();
     this.changeSnapshotId = snapshot.changeSnapshotId();
+    this.spec = keyedTable.spec();
   }
 
   /**
@@ -441,4 +443,13 @@ public void setMinTransactionIdAfter(long minTransactionIdAfter) {
       this.minTransactionIdAfter = minTransactionIdAfter;
     }
   }
+
+  @Override
+  public PartitionSpec getSpec(int specId) {
+    if (specId != spec.specId()) {
+      throw new IllegalArgumentException(
+          "Partition spec id " + specId + " not found in table " + keyedTable.name());
+    }
+    return spec;
+  }
 }
diff --git a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/TableFileScanHelper.java b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/TableFileScanHelper.java
index cfcdb26591..962cbd24fa 100644
--- a/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/TableFileScanHelper.java
+++ b/amoro-format-iceberg/src/main/java/org/apache/amoro/optimizing/scan/TableFileScanHelper.java
@@ -20,6 +20,7 @@
 
 import org.apache.iceberg.ContentFile;
 import org.apache.iceberg.DataFile;
+import org.apache.iceberg.PartitionSpec;
 import org.apache.iceberg.expressions.Expression;
 import org.apache.iceberg.io.CloseableIterable;
 
@@ -47,4 +48,6 @@ public List<ContentFile<?>> deleteFiles() {
   CloseableIterable<FileScanResult> scan();
 
   TableFileScanHelper withPartitionFilter(Expression partitionFilter);
+
+  PartitionSpec getSpec(int specId);
 }
diff --git a/charts/amoro/templates/amoro-configmap.yaml b/charts/amoro/templates/amoro-configmap.yaml
index 24d3a6744b..bf06c40389 100644
--- a/charts/amoro/templates/amoro-configmap.yaml
+++ b/charts/amoro/templates/amoro-configmap.yaml
@@ -52,6 +52,7 @@ data:
           bind-port: {{ .Values.server.optimizing.port }}
 
       http-server:
+        rest-auth-type: {{ .Values.server.rest.restAuthType }}
         bind-port: {{ .Values.server.rest.port }}
 
       refresh-external-catalogs:
diff --git a/charts/amoro/values.yaml b/charts/amoro/values.yaml
index a7b937b8f4..bcb058565b 100644
--- a/charts/amoro/values.yaml
+++ b/charts/amoro/values.yaml
@@ -86,6 +86,7 @@ server:
   rest:
     enabled: true
     port: 1630
+    restAuthType: token
     service:
       ## @param type Can set as "ClusterIP" or "NodePort". If set to "NodePort", @param nodePort below should set a value
       ##