diff --git a/src/main/java/com/xydl/cac/util/DataTable.java b/src/main/java/com/xydl/cac/util/DataTable.java
index 0ad15a3..a2c7f26 100644
--- a/src/main/java/com/xydl/cac/util/DataTable.java
+++ b/src/main/java/com/xydl/cac/util/DataTable.java
@@ -3,10 +3,14 @@ package com.xydl.cac.util;
 public class DataTable {
 
     public static String getTimeField(String tableName) {
-        if ("data_dlq_jbfd".equalsIgnoreCase(tableName))
-            return "acquisitionTime";
-        else
-            return "d_time";
+        switch (tableName) {
+            case "data_dlq_jbfd":
+            case "data_sf6_qtsf":
+            case "data_sf6_qtyl":
+                return "acquisitionTime";
+            default:
+                return "d_time";
+        }
     }
 
     public static String getDevidField(String tableName) {