diff --git a/ddl_6_bus_bay.sql b/ddl_6_bus_bay.sql
index 77a35f8..2533f86 100644
--- a/ddl_6_bus_bay.sql
+++ b/ddl_6_bus_bay.sql
@@ -1,4 +1,4 @@
-- Table: public.bus_bay
+-- Table: public.bus_bay
 
 -- DROP
 DROP TABLE IF EXISTS public.bus_bay;
@@ -77,9 +77,9 @@ CREATE TABLE IF NOT EXISTS public.bus_bay
 
 TABLESPACE pg_default;
 
-ALTER TABLE IF EXISTS public.syncmotor_bay
+ALTER TABLE IF EXISTS public.bus_bay
     OWNER to postgres;
 
-COMMENT ON TABLE public.syncmotor_bay
+COMMENT ON TABLE public.bus_bay
     IS '存储母线的间隔信息';
 	
\ No newline at end of file
diff --git a/ddl_7_bus_model.sql b/ddl_7_bus_model.sql
new file mode 100644
index 0000000..0310165
--- /dev/null
+++ b/ddl_7_bus_model.sql
@@ -0,0 +1,56 @@
+-- Table: public.bus_model
+
+-- DROP
+DROP TABLE IF EXISTS public.bus_model;
+DROP SEQUENCE IF EXISTS public.bus_model_id_seq;
+
+-- CREATE
+CREATE SEQUENCE IF NOT EXISTS public.bus_model_id_seq;
+
+CREATE TABLE IF NOT EXISTS public.bus_model
+(
+    id integer NOT NULL DEFAULT nextval('bus_model_id_seq'::regclass),
+    component_id INTEGER NOT NULL DEFAULT -1,
+
+    version INTEGER NOT NULL DEFAULT 0,
+
+    init_voltage_rate DOUBLE PRECISION NOT NULL DEFAULT 100, -- 1~200
+    init_voltage DOUBLE PRECISION NOT NULL DEFAULT 35, -- 0.01~1000
+    init_voltage_phase DOUBLE PRECISION NOT NULL DEFAULT 0, -- -180~180
+    rated_current DOUBLE PRECISION NOT NULL DEFAULT 1000, -- 0.01~65536
+    dynamic_current DOUBLE PRECISION NOT NULL DEFAULT 40, -- 0.01~65536
+    load_adjust_rate_min SMALLINT NOT NULL DEFAULT 100, -- 0~100
+    load_adjust_rate_max SMALLINT NOT NULL DEFAULT 100, -- 0~100
+    bus_type VARCHAR(32) NOT NULL DEFAULT 'PQ', -- 1 平衡母线/PV母线/PQ母线
+    sc_capacity_s3max DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_s3min DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_i3max DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_i3min DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_z3max DOUBLE PRECISION NOT NULL DEFAULT 0.05, -- 0~100
+    sc_capacity_z3min DOUBLE PRECISION NOT NULL DEFAULT 0.1, -- 0~100
+    sc_capacity_s1max DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_s1min DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_i1max DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_i1min DOUBLE PRECISION NOT NULL DEFAULT 0, -- 0~65536
+    sc_capacity_z1max DOUBLE PRECISION NOT NULL DEFAULT 0.05, -- 0~100
+    sc_capacity_z1min DOUBLE PRECISION NOT NULL DEFAULT 0.1, -- 0~100
+    benchmark_voltage DOUBLE PRECISION NOT NULL DEFAULT 37, -- 0.01~500
+    benchmark_capacity DOUBLE PRECISION NOT NULL DEFAULT 100, -- 0~65536
+
+    op integer NOT NULL DEFAULT '-1'::integer,
+    ts timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT bus_model_id_PrimaryKey PRIMARY KEY (id),
+    CONSTRAINT bus_model_ForeignKey_component_id FOREIGN KEY (component_id)
+        REFERENCES public.component (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE NO ACTION
+)
+
+TABLESPACE pg_default;
+
+ALTER TABLE IF EXISTS public.bus_model
+    OWNER to postgres;
+
+COMMENT ON TABLE public.bus_model
+    IS '存储母线的模型参数';
\ No newline at end of file