清除cad签名错误

HEZON_ITK/bs_sign_cad.cpp

@@ -91,6 +91,7 @@ int bs_sign_cad(EPM_action_message_t msg)
 			}
 		}
 	}
+	EMH_clear_errors();
 	POM_AM__set_application_bypass(false);
 
 	return 0;