diff --git a/emis-biz/src/main/resources/mapper/EmisWaybillMapper.xml b/emis-biz/src/main/resources/mapper/EmisWaybillMapper.xml
index c5ae221fe..324d6432c 100644
--- a/emis-biz/src/main/resources/mapper/EmisWaybillMapper.xml
+++ b/emis-biz/src/main/resources/mapper/EmisWaybillMapper.xml
@@ -1261,13 +1261,8 @@
                 and a.salesmen=#{salesmen}
             </if>
 
-
-            <if test="blSign != null  and blSign == 1">
-                and a.bl_sign='1'
-            </if>
-
-            <if test="blSign != null and blSign == 0">
-                and a.bl_sign!='1'
+            <if test="blSign != null and blSign != ''">
+                and a.bl_sign=#{blSign}
             </if>
 
             <if test="params.beginDate != null and params.beginDate != ''">