diff --git a/core/src/main/java/com/databasir/core/domain/document/service/DocumentService.java b/core/src/main/java/com/databasir/core/domain/document/service/DocumentService.java
index da46e13..a1ea136 100644
--- a/core/src/main/java/com/databasir/core/domain/document/service/DocumentService.java
+++ b/core/src/main/java/com/databasir/core/domain/document/service/DocumentService.java
@@ -273,8 +273,16 @@ public class DocumentService {
                     }
                 }
                 result.sort(Comparator.comparing(DatabaseDocumentSimpleResponse.TableData::getName));
-                DiffType diffType = result.stream()
-                        .anyMatch(t -> t.getDiffType() == DiffType.MODIFIED) ? DiffType.MODIFIED : DiffType.NONE;
+                boolean allAdded = result.stream()
+                        .filter(item -> !item.getDiffType().isNone())
+                        .allMatch(item -> item.getDiffType().isAdded());
+                DiffType diffType;
+                if (allAdded) {
+                    diffType = DiffType.ADDED;
+                } else {
+                    diffType = result.stream()
+                            .anyMatch(t -> t.getDiffType() != DiffType.NONE) ? DiffType.MODIFIED : DiffType.NONE;
+                }
                 return documentSimpleResponseConverter.of(document, result, diffType, projectName);
             } else {
                 tableMetas.sort(Comparator.comparing(DatabaseDocumentSimpleResponse.TableData::getName));
diff --git a/meta/src/main/java/com/databasir/core/diff/data/DiffType.java b/meta/src/main/java/com/databasir/core/diff/data/DiffType.java
index 5928ecc..20f2423 100644
--- a/meta/src/main/java/com/databasir/core/diff/data/DiffType.java
+++ b/meta/src/main/java/com/databasir/core/diff/data/DiffType.java
@@ -6,4 +6,12 @@ public enum DiffType {
     public static boolean isModified(DiffType type) {
         return type != null && type != NONE;
     }
+
+    public boolean isAdded() {
+        return this == ADDED;
+    }
+
+    public boolean isNone() {
+        return this == NONE;
+    }
 }
\ No newline at end of file