服务商列表查询报错的问题

src/main/java/com/starcharge/wios/dao/mappers/SupplierMapper.xml

@@ -394,7 +394,13 @@
 	<if test="hasContract != null"><!-- 是否签了合同 -->
 	) as tt
 	</if>
-	group by tt.id
+  <if test="hasContract != null and hasContract==0"><!-- 未签合同 -->
+    where tt.validContractId is null
+    group by tt.id
+  </if>
+  <if test="hasContract != null and hasContract!=0"><!-- 签了合同 -->
+    group by tt.id
+  </if>
 </select>
 
 <select id="selectInProcessOrder"