diff --git a/package.json b/package.json
index 147e158..172f071 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@yizhi/postgres",
-  "version": "1.0.16",
+  "version": "1.0.17",
   "main": "dist/index.js",
   "types": "typing/index.d.ts",
   "scripts": {},
diff --git a/src/entity.ts b/src/entity.ts
index 976e44c..475a0ca 100644
--- a/src/entity.ts
+++ b/src/entity.ts
@@ -313,6 +313,30 @@ export function IntArrayColumn(name?: any, option?: any) {
 	}, option?.virtual ?? false, { bytes });
 }
 
+/**
+ * 定义浮点数组，可以通过option.bytes来设置浮点数长度，默认为4
+ * @param name 字段名称
+ * @param option 字段选项
+ */
+export function FloatArrayColumn(name: string, option?: { bytes?: 4 | 8, virtual?: boolean }): Decorators.PropDecorator<BasicEntity>
+export function FloatArrayColumn(option?: { bytes?: 4 | 8, virtual?: boolean }): Decorators.PropDecorator<BasicEntity>
+export function FloatArrayColumn(name?: any, option?: any) {
+	if (typeof name != "string") {
+		option = name
+		name = undefined
+	}
+	const bytes = option?.bytes ?? 4;
+	return _Array("float", name, `float${bytes}[]`, item => {
+		item = parseFloat(item);
+		if (isNaN(item) || !isFinite(item)) return null;
+		return item.toString();
+	}, item => {
+		item = parseFloat(item);
+		if (isNaN(item) || !isFinite(item)) return null;
+		return item;
+	}, option?.virtual ?? false, { bytes });
+}
+
 /**
  * 定义字符串数组
  * @param name 字段名称
diff --git a/src/index.ts b/src/index.ts
index 9eba66e..c8344c4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,7 +3,7 @@ import "./types";
 export {
 	Table,
 	Field, IntColumn, FloatColumn, StringColumn, BooleanColumn, DateColumn, DateTimeColumn, JsonColumn,
-	IntArrayColumn, StringArrayColumn,
+	IntArrayColumn, FloatArrayColumn, StringArrayColumn,
 	TSVectorColumn,
 	Int4RangeColumn, FloatRangeColumn, DateRangeColumn, DateTimeRangeColumn,
 	JoinOne, JoinMany,