diff --git a/src/com/pms/mapper/purchaseOrder.xml b/src/com/pms/mapper/purchaseOrder.xml
index ad07671..d7b2ffb 100644
--- a/src/com/pms/mapper/purchaseOrder.xml
+++ b/src/com/pms/mapper/purchaseOrder.xml
@@ -611,7 +611,7 @@
 		    #{FORM_TYPE}
 		    ,#{TITLE}
 		    ,#{PURCHASE_DATE}
-		    ,#{CONTRACT_MGMT_OBJID}::NUMERIC
+		    ,#{CONTRACT_MGMT_OBJID}
 		    ,#{TYPE                   }
 		    ,#{INSPECT_METHOD         }
 		    ,#{TOTAL_PRICE_TXT        }
@@ -668,7 +668,7 @@
 			    </if>
 				,TITLE            = #{TITLE}
 				,PURCHASE_DATE    = #{PURCHASE_DATE}
-				,CONTRACT_MGMT_OBJID = #{CONTRACT_MGMT_OBJID}::NUMERIC
+				,CONTRACT_MGMT_OBJID = #{CONTRACT_MGMT_OBJID}
 				,TYPE                    = #{TYPE                   }
 				,INSPECT_METHOD          = #{INSPECT_METHOD         }
 				,TOTAL_PRICE_TXT         = #{TOTAL_PRICE_TXT        }
@@ -829,7 +829,7 @@
 			    SALES_MNG_USER_ID = #{SALES_MNG_USER_ID}
 				,TITLE            = #{TITLE}
 				,PURCHASE_DATE    = #{PURCHASE_DATE}
-				,CONTRACT_MGMT_OBJID = NULLIF(#{CONTRACT_MGMT_OBJID}::TEXT, '')::NUMERIC
+				,CONTRACT_MGMT_OBJID = #{CONTRACT_MGMT_OBJID}
 				,TYPE                    = #{TYPE                   }
 				,INSPECT_METHOD          = #{INSPECT_METHOD         }
 				,TOTAL_PRICE_TXT         = #{TOTAL_PRICE_TXT        }
@@ -986,7 +986,7 @@
 		    #{SALES_MNG_USER_ID}
 		    ,#{TITLE}
 		    ,#{PURCHASE_DATE}
-		    ,#{CONTRACT_MGMT_OBJID}::NUMERIC
+		    ,#{CONTRACT_MGMT_OBJID}
 		    ,#{TYPE                   }
 		    ,#{INSPECT_METHOD         }
 		    ,#{TOTAL_PRICE_TXT        }