fix(shrimp): 修复 multiple 字段类型校验逻辑

src/Shrimp/ShrimpTableModule.ts

@@ -114,21 +114,20 @@ export class ShrimpTableModule<T, P extends ITableCrudProto<T> = ITableCrudProto
             }
         }
 
+        // multiple 字段值是数组，类型校验需逐元素进行（与上面 options 校验保持一致）；
+        // 非 multiple 则整体校验单值。否则数组会被标量类型分支整体判为类型错误。
+        const checkType = (v: any): boolean => {
             switch (field.type) {
-            case ShrimpFieldTypes.String:
-                if (typeof value !== 'string') return { t: 'shrimp.fieldTypeError', params: { field: field.label } }
-                break
-            case ShrimpFieldTypes.Number:
-                if (typeof value !== 'number' || Number.isNaN(value)) return { t: 'shrimp.fieldTypeError', params: { field: field.label } }
-                break
-            case ShrimpFieldTypes.Boolean:
-                if (typeof value !== 'boolean') return { t: 'shrimp.fieldTypeError', params: { field: field.label } }
-                break
-            case ShrimpFieldTypes.Date:
-                if (typeof value !== 'number' && !(value instanceof Date) && isNaN(Date.parse(value))) {
-                    return { t: 'shrimp.fieldTypeError', params: { field: field.label } }
+                case ShrimpFieldTypes.String: return typeof v === 'string'
+                case ShrimpFieldTypes.Number: return typeof v === 'number' && !Number.isNaN(v)
+                case ShrimpFieldTypes.Boolean: return typeof v === 'boolean'
+                case ShrimpFieldTypes.Date: return typeof v === 'number' || v instanceof Date || !isNaN(Date.parse(v))
+                default: return true // 非内置标量类型（relation/json/自定义等）不在此校验
             }
-                break
+        }
+        const typeTargets = field.multiple && Array.isArray(value) ? value : [value]
+        for (const v of typeTargets) {
+            if (!checkType(v)) return { t: 'shrimp.fieldTypeError', params: { field: field.label } }
         }
 
         if (field.rules) {