商户身份证字段长度加到30

PxcModels/WebCMSEntities.cs

@@ -10487,7 +10487,7 @@ namespace MySystem.PxcModels
                 entity.Property(e => e.MatchTime).HasColumnType("datetime");
 
                 entity.Property(e => e.MerIdcardNo)
-                    .HasColumnType("varchar(18)")
+                    .HasColumnType("varchar(30)")
                     .HasCharSet("utf8")
                     .HasCollation("utf8_general_ci");