diff --git a/model/ddl.sql b/model/ddl.sql
index 493e290..790785b 100644
--- a/model/ddl.sql
+++ b/model/ddl.sql
@@ -154,6 +154,8 @@ CREATE TABLE PUBLIC.MEASUREMENT (
     NAME VARCHAR(64) NOT NULL DEFAULT '',
     TYPE SMALLINT NOT NULL DEFAULT -1,       -- 要按电力元素的类型（包含可能的结构体类型）来展开
     SIZE INTEGER NOT NULL DEFAULT -1,
+    MODE SMALLINT NOT NULL DEFAULT 1, -- 运行模式 1:采集值 0:人工置数
+    OPERATIONS JSONB[] NOT NULL DEFAULT '{}', -- 记录 字段command(取mode值),timestamp,value
     DATA_SOURCE JSONB NOT NULL DEFAULT '{}', -- http://server.baseware.net:6875/books/product-design-docs/page/7eacb
     EVENT_PLAN JSONB NOT NULL DEFAULT '{}',  -- http://server.baseware.net:6875/books/product-design-docs/page/02522
     BINDING JSONB NOT NULL DEFAULT '{"ct":{"ratio":1.0,"polarity":1,"index":0},"pt":{"ratio":1.0,"polarity":1,"index":0}}',