diff --git a/RuoYi-Vue/easycode-web/src/components/business-blocks/blockLayout.js b/RuoYi-Vue/easycode-web/src/components/business-blocks/blockLayout.js
new file mode 100644
index 0000000..c491169
--- /dev/null
+++ b/RuoYi-Vue/easycode-web/src/components/business-blocks/blockLayout.js
@@ -0,0 +1,71 @@
+import { buildDefaultChartInstance, isChartDefinition } from './chartBlock.js'
+
+export const businessBlockCanvas = 'business-blocks-v1'
+
+export function parseBusinessBlockLayout(value) {
+  if (!value) {
+    return { canvas: businessBlockCanvas, blocks: [] }
+  }
+  try {
+    const parsed = typeof value === 'string' ? JSON.parse(value) : value
+    return {
+      ...parsed,
+      canvas: businessBlockCanvas,
+      blocks: Array.isArray(parsed?.blocks) ? parsed.blocks : []
+    }
+  } catch (error) {
+    return { canvas: businessBlockCanvas, blocks: [] }
+  }
+}
+
+export function addBlockInstance(layout, definition, idFactory = defaultIdFactory) {
+  const next = cloneLayout(layout)
+  const id = idFactory(definition.code)
+  next.blocks.push(isChartDefinition(definition)
+    ? buildDefaultChartInstance(definition, id)
+    : {
+        id,
+        blockCode: definition.code,
+        name: definition.name || definition.code,
+        config: {}
+      })
+  return next
+}
+
+export function updateBlockConfig(layout, blockId, config) {
+  const next = cloneLayout(layout)
+  next.blocks = next.blocks.map((block) => (
+    block.id === blockId ? { ...block, config: { ...(config || {}) } } : block
+  ))
+  return next
+}
+
+export function reorderBlockInstance(layout, fromIndex, toIndex) {
+  const next = cloneLayout(layout)
+  if (fromIndex < 0 || toIndex < 0 || fromIndex >= next.blocks.length || toIndex >= next.blocks.length) {
+    return next
+  }
+  const [moved] = next.blocks.splice(fromIndex, 1)
+  next.blocks.splice(toIndex, 0, moved)
+  return next
+}
+
+export function removeBlockInstance(layout, blockId) {
+  const next = cloneLayout(layout)
+  next.blocks = next.blocks.filter((block) => block.id !== blockId)
+  return next
+}
+
+export function validateRequiredConfig(definition, config) {
+  return (definition?.configs || [])
+    .filter((item) => item.required && !config?.[item.key])
+    .map((item) => item.label || item.key)
+}
+
+function cloneLayout(layout) {
+  return JSON.parse(JSON.stringify(parseBusinessBlockLayout(layout)))
+}
+
+function defaultIdFactory(code) {
+  return `${code}_${Date.now()}`
+}
diff --git a/RuoYi-Vue/easycode-web/src/components/business-blocks/chartBlock.js b/RuoYi-Vue/easycode-web/src/components/business-blocks/chartBlock.js
new file mode 100644
index 0000000..d3f3bc6
--- /dev/null
+++ b/RuoYi-Vue/easycode-web/src/components/business-blocks/chartBlock.js
@@ -0,0 +1,66 @@
+export const allowedChartSpans = [12, 6, 4]
+
+export function isChartDefinition(definition) {
+  return definition?.kind === 'chart'
+}
+
+export function buildDefaultChartInstance(definition, id) {
+  const chartType = definition?.chartType || 'line'
+  return {
+    id,
+    blockCode: definition.code,
+    name: definition.name || definition.code,
+    span: allowedChartSpans.includes(definition.defaultSpan) ? definition.defaultSpan : 12,
+    config: {},
+    dataset: {
+      schema: definition.datasetSchema || 'single-table-aggregate-v1',
+      table: '',
+      dimension: chartType === 'metric' ? null : { field: '', timeUnit: '' },
+      metrics: [{
+        field: '',
+        aggregate: chartType === 'metric' ? 'count' : 'sum',
+        alias: 'metric1',
+        label: '指标 1'
+      }],
+      filters: [],
+      dateRange: null,
+      sort: chartType === 'metric' ? null : { by: 'dimension', order: 'asc' },
+      limit: chartType === 'pie' ? 10 : chartType === 'bar' ? 20 : chartType === 'metric' ? 1 : 100
+    },
+    display: {
+      showTitle: true,
+      showLegend: chartType !== 'metric',
+      emptyText: '暂无数据',
+      smooth: chartType === 'line',
+      donut: chartType === 'pie',
+      horizontal: false,
+      stacked: false
+    }
+  }
+}
+
+export function updateChartDataset(block, dataset) {
+  return { ...block, dataset: structuredClone(dataset || {}) }
+}
+
+export function updateChartDisplay(block, display) {
+  return { ...block, display: structuredClone(display || {}) }
+}
+
+export function validateChartInstance(definition, block, tables) {
+  const errors = []
+  const dataset = block?.dataset || {}
+  const table = tables.find((item) => item.tableName === dataset.table)
+  if (!table) {
+    errors.push({ key: 'table', message: '请选择数据表' })
+  }
+  if (definition?.chartType !== 'metric' && !dataset.dimension?.field) {
+    errors.push({ key: 'dimension.field', message: '请选择维度字段' })
+  }
+  if (!Array.isArray(dataset.metrics)
+    || !dataset.metrics.length
+    || dataset.metrics.some((item) => !item.field)) {
+    errors.push({ key: 'metrics', message: '请配置指标字段' })
+  }
+  return errors
+}
diff --git a/RuoYi-Vue/easycode-web/src/components/businessBlockDesigner.test.mjs b/RuoYi-Vue/easycode-web/src/components/businessBlockDesigner.test.mjs
new file mode 100644
index 0000000..c9ea3d5
--- /dev/null
+++ b/RuoYi-Vue/easycode-web/src/components/businessBlockDesigner.test.mjs
@@ -0,0 +1,153 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { existsSync, readFileSync } from 'node:fs'
+import { fileURLToPath } from 'node:url'
+import { dirname, resolve } from 'node:path'
+
+import {
+  addBlockInstance,
+  businessBlockCanvas,
+  parseBusinessBlockLayout,
+  reorderBlockInstance,
+  updateBlockConfig,
+  validateRequiredConfig
+} from './business-blocks/blockLayout.js'
+import {
+  buildDefaultChartInstance,
+  updateChartDataset,
+  updateChartDisplay,
+  validateChartInstance
+} from './business-blocks/chartBlock.js'
+
+const currentDir = dirname(fileURLToPath(import.meta.url))
+
+function readSource(relativePath) {
+  return readFileSync(resolve(currentDir, relativePath), 'utf8')
+}
+
+const cartDefinition = {
+  code: 'cart',
+  name: 'Cart',
+  configs: [
+    { key: 'cartTable', label: 'Cart table', type: 'table', required: true },
+    { key: 'productName', label: 'Product name field', type: 'field', table: 'productTable', required: true }
+  ]
+}
+
+const lineDefinition = {
+  code: 'admin_line_chart',
+  name: 'Line chart',
+  kind: 'chart',
+  chartType: 'line',
+  datasetSchema: 'single-table-aggregate-v1',
+  defaultSpan: 12
+}
+
+test('business block helpers create an empty business block canvas', () => {
+  const layout = parseBusinessBlockLayout('')
+
+  assert.equal(layout.canvas, businessBlockCanvas)
+  assert.deepEqual(layout.blocks, [])
+})
+
+test('business block helpers add a block instance with stable generated id', () => {
+  const layout = addBlockInstance(parseBusinessBlockLayout(''), cartDefinition, () => 'cart_001')
+
+  assert.equal(layout.blocks[0].id, 'cart_001')
+  assert.equal(layout.blocks[0].blockCode, 'cart')
+  assert.deepEqual(layout.blocks[0].config, {})
+})
+
+test('business block helpers update block config without replacing other blocks', () => {
+  let layout = addBlockInstance(parseBusinessBlockLayout(''), cartDefinition, () => 'cart_001')
+  layout = addBlockInstance(layout, { ...cartDefinition, code: 'notice', name: 'Notice' }, () => 'notice_001')
+
+  layout = updateBlockConfig(layout, 'cart_001', { cartTable: 'shop_cart' })
+
+  assert.equal(layout.blocks[0].config.cartTable, 'shop_cart')
+  assert.deepEqual(layout.blocks[1].config, {})
+})
+
+test('business block helpers reorder block instances', () => {
+  let layout = addBlockInstance(parseBusinessBlockLayout(''), cartDefinition, () => 'cart_001')
+  layout = addBlockInstance(layout, { ...cartDefinition, code: 'notice', name: 'Notice' }, () => 'notice_001')
+
+  layout = reorderBlockInstance(layout, 1, 0)
+
+  assert.equal(layout.blocks[0].id, 'notice_001')
+  assert.equal(layout.blocks[1].id, 'cart_001')
+})
+
+test('business block helpers report missing required config labels', () => {
+  const missing = validateRequiredConfig(cartDefinition, { cartTable: 'shop_cart' })
+
+  assert.deepEqual(missing, ['Product name field'])
+})
+
+test('chart helper builds a deterministic line chart instance', () => {
+  const block = buildDefaultChartInstance(lineDefinition, 'line_001')
+
+  assert.equal(block.span, 12)
+  assert.equal(block.dataset.schema, 'single-table-aggregate-v1')
+  assert.deepEqual(block.dataset.metrics, [
+    { field: '', aggregate: 'sum', alias: 'metric1', label: '指标 1' }
+  ])
+  assert.equal(block.display.showLegend, true)
+})
+
+test('chart helper updates dataset and display immutably', () => {
+  const block = buildDefaultChartInstance(lineDefinition, 'line_001')
+  const dataset = { ...block.dataset, table: 'shop_order' }
+  const display = { ...block.display, smooth: false }
+
+  const withDataset = updateChartDataset(block, dataset)
+  const withDisplay = updateChartDisplay(withDataset, display)
+
+  assert.equal(block.dataset.table, '')
+  assert.equal(withDataset.dataset.table, 'shop_order')
+  assert.equal(withDisplay.display.smooth, false)
+})
+
+test('chart helper reports a missing dimension for line charts', () => {
+  const block = buildDefaultChartInstance(lineDefinition, 'line_001')
+  const errors = validateChartInstance(lineDefinition, block, [])
+
+  assert.equal(errors.some((item) => item.key === 'dimension.field'), true)
+})
+
+test('business block designer is composed from focused subcomponents', () => {
+  assert.equal(existsSync(resolve(currentDir, 'business-blocks/BusinessBlockDesigner.vue')), true)
+  assert.equal(existsSync(resolve(currentDir, 'business-blocks/BlockPalette.vue')), true)
+  assert.equal(existsSync(resolve(currentDir, 'business-blocks/BlockCanvas.vue')), true)
+  assert.equal(existsSync(resolve(currentDir, 'business-blocks/BlockConfigForm.vue')), true)
+
+  const source = readSource('business-blocks/BusinessBlockDesigner.vue')
+  assert.equal(source.includes("import BlockPalette from './BlockPalette.vue'"), true)
+  assert.equal(source.includes("import BlockCanvas from './BlockCanvas.vue'"), true)
+  assert.equal(source.includes("import BlockConfigForm from './BlockConfigForm.vue'"), true)
+  assert.equal(source.includes('update:layout-json'), true)
+  assert.equal(source.includes('select-block'), true)
+  assert.equal(source.includes('showConfig'), true)
+  assert.equal(source.includes('showPalette'), true)
+  assert.equal(source.includes('v-if="showPalette"'), true)
+  assert.equal(source.includes('v-if="showConfig"'), true)
+  assert.equal(source.includes('defineExpose'), true)
+  assert.equal(source.includes('<BlockConfigForm'), true)
+})
+
+test('business block schema form renders table and field controls', () => {
+  const source = readSource('business-blocks/BlockConfigForm.vue')
+
+  assert.equal(source.includes("field.type === 'table'"), true)
+  assert.equal(source.includes("field.type === 'field'"), true)
+  assert.equal(source.includes('<el-select'), true)
+  assert.equal(source.includes('update:modelValue'), true)
+})
+
+test('business block canvas supports drag reorder and block removal', () => {
+  const source = readSource('business-blocks/BlockCanvas.vue')
+
+  assert.equal(source.includes('draggable="true"'), true)
+  assert.equal(source.includes('reorder-block'), true)
+  assert.equal(source.includes('remove-block'), true)
+})
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockConfigField.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockConfigField.java
new file mode 100644
index 0000000..5a80133
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockConfigField.java
@@ -0,0 +1,26 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+import java.util.List;
+
+public class BusinessBlockConfigField
+{
+    private String key;
+    private String label;
+    private String type;
+    private String table;
+    private Boolean required;
+    private List<String> options;
+
+    public String getKey() { return key; }
+    public void setKey(String key) { this.key = key; }
+    public String getLabel() { return label; }
+    public void setLabel(String label) { this.label = label; }
+    public String getType() { return type; }
+    public void setType(String type) { this.type = type; }
+    public String getTable() { return table; }
+    public void setTable(String table) { this.table = table; }
+    public Boolean getRequired() { return required; }
+    public void setRequired(Boolean required) { this.required = required; }
+    public List<String> getOptions() { return options; }
+    public void setOptions(List<String> options) { this.options = options; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockInstance.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockInstance.java
new file mode 100644
index 0000000..01b7aba
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockInstance.java
@@ -0,0 +1,29 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+import java.util.Map;
+
+public class BusinessBlockInstance
+{
+    private String id;
+    private String blockCode;
+    private String name;
+    private Map<String, String> config;
+    private Integer span;
+    private ChartDatasetConfig dataset;
+    private Map<String, Object> display;
+
+    public String getId() { return id; }
+    public void setId(String id) { this.id = id; }
+    public String getBlockCode() { return blockCode; }
+    public void setBlockCode(String blockCode) { this.blockCode = blockCode; }
+    public String getName() { return name; }
+    public void setName(String name) { this.name = name; }
+    public Map<String, String> getConfig() { return config; }
+    public void setConfig(Map<String, String> config) { this.config = config; }
+    public Integer getSpan() { return span; }
+    public void setSpan(Integer span) { this.span = span; }
+    public ChartDatasetConfig getDataset() { return dataset; }
+    public void setDataset(ChartDatasetConfig dataset) { this.dataset = dataset; }
+    public Map<String, Object> getDisplay() { return display; }
+    public void setDisplay(Map<String, Object> display) { this.display = display; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockTemplateFile.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockTemplateFile.java
new file mode 100644
index 0000000..3b0fb29
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/BusinessBlockTemplateFile.java
@@ -0,0 +1,15 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+public class BusinessBlockTemplateFile
+{
+    private String key;
+    private String template;
+    private String outputPath;
+
+    public String getKey() { return key; }
+    public void setKey(String key) { this.key = key; }
+    public String getTemplate() { return template; }
+    public void setTemplate(String template) { this.template = template; }
+    public String getOutputPath() { return outputPath; }
+    public void setOutputPath(String outputPath) { this.outputPath = outputPath; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDatasetConfig.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDatasetConfig.java
new file mode 100644
index 0000000..91c67e8
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDatasetConfig.java
@@ -0,0 +1,32 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+import java.util.List;
+
+public class ChartDatasetConfig
+{
+    private String schema;
+    private String table;
+    private ChartDimensionConfig dimension;
+    private List<ChartMetricConfig> metrics;
+    private List<ChartFilterConfig> filters;
+    private ChartDateRangeConfig dateRange;
+    private ChartSortConfig sort;
+    private Integer limit;
+
+    public String getSchema() { return schema; }
+    public void setSchema(String schema) { this.schema = schema; }
+    public String getTable() { return table; }
+    public void setTable(String table) { this.table = table; }
+    public ChartDimensionConfig getDimension() { return dimension; }
+    public void setDimension(ChartDimensionConfig dimension) { this.dimension = dimension; }
+    public List<ChartMetricConfig> getMetrics() { return metrics; }
+    public void setMetrics(List<ChartMetricConfig> metrics) { this.metrics = metrics; }
+    public List<ChartFilterConfig> getFilters() { return filters; }
+    public void setFilters(List<ChartFilterConfig> filters) { this.filters = filters; }
+    public ChartDateRangeConfig getDateRange() { return dateRange; }
+    public void setDateRange(ChartDateRangeConfig dateRange) { this.dateRange = dateRange; }
+    public ChartSortConfig getSort() { return sort; }
+    public void setSort(ChartSortConfig sort) { this.sort = sort; }
+    public Integer getLimit() { return limit; }
+    public void setLimit(Integer limit) { this.limit = limit; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDateRangeConfig.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDateRangeConfig.java
new file mode 100644
index 0000000..1b64a04
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDateRangeConfig.java
@@ -0,0 +1,18 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+public class ChartDateRangeConfig
+{
+    private String field;
+    private String preset;
+    private String start;
+    private String end;
+
+    public String getField() { return field; }
+    public void setField(String field) { this.field = field; }
+    public String getPreset() { return preset; }
+    public void setPreset(String preset) { this.preset = preset; }
+    public String getStart() { return start; }
+    public void setStart(String start) { this.start = start; }
+    public String getEnd() { return end; }
+    public void setEnd(String end) { this.end = end; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDimensionConfig.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDimensionConfig.java
new file mode 100644
index 0000000..73ef776
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartDimensionConfig.java
@@ -0,0 +1,12 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+public class ChartDimensionConfig
+{
+    private String field;
+    private String timeUnit;
+
+    public String getField() { return field; }
+    public void setField(String field) { this.field = field; }
+    public String getTimeUnit() { return timeUnit; }
+    public void setTimeUnit(String timeUnit) { this.timeUnit = timeUnit; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartFilterConfig.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartFilterConfig.java
new file mode 100644
index 0000000..2aee854
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartFilterConfig.java
@@ -0,0 +1,15 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+public class ChartFilterConfig
+{
+    private String field;
+    private String operator;
+    private Object value;
+
+    public String getField() { return field; }
+    public void setField(String field) { this.field = field; }
+    public String getOperator() { return operator; }
+    public void setOperator(String operator) { this.operator = operator; }
+    public Object getValue() { return value; }
+    public void setValue(Object value) { this.value = value; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartMetricConfig.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartMetricConfig.java
new file mode 100644
index 0000000..51ce6b3
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartMetricConfig.java
@@ -0,0 +1,18 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+public class ChartMetricConfig
+{
+    private String field;
+    private String aggregate;
+    private String alias;
+    private String label;
+
+    public String getField() { return field; }
+    public void setField(String field) { this.field = field; }
+    public String getAggregate() { return aggregate; }
+    public void setAggregate(String aggregate) { this.aggregate = aggregate; }
+    public String getAlias() { return alias; }
+    public void setAlias(String alias) { this.alias = alias; }
+    public String getLabel() { return label; }
+    public void setLabel(String label) { this.label = label; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartSortConfig.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartSortConfig.java
new file mode 100644
index 0000000..574450e
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/ChartSortConfig.java
@@ -0,0 +1,12 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+public class ChartSortConfig
+{
+    private String by;
+    private String order;
+
+    public String getBy() { return by; }
+    public void setBy(String by) { this.by = by; }
+    public String getOrder() { return order; }
+    public void setOrder(String order) { this.order = order; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/PageBusinessBlockLayout.java b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/PageBusinessBlockLayout.java
new file mode 100644
index 0000000..2a5a09d
--- /dev/null
+++ b/RuoYi-Vue/ruoyi-generator/src/main/java/com/ruoyi/generator/domain/front/dto/block/PageBusinessBlockLayout.java
@@ -0,0 +1,14 @@
+package com.ruoyi.generator.domain.front.dto.block;
+
+import java.util.List;
+
+public class PageBusinessBlockLayout
+{
+    private String canvas;
+    private List<BusinessBlockInstance> blocks;
+
+    public String getCanvas() { return canvas; }
+    public void setCanvas(String canvas) { this.canvas = canvas; }
+    public List<BusinessBlockInstance> getBlocks() { return blocks; }
+    public void setBlocks(List<BusinessBlockInstance> blocks) { this.blocks = blocks; }
+}
diff --git a/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/BusinessBlockRegistryServiceTest.java b/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/BusinessBlockRegistryServiceTest.java
index f7aba1d..c9514d1 100644
--- a/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/BusinessBlockRegistryServiceTest.java
+++ b/RuoYi-Vue/ruoyi-generator/src/test/java/com/ruoyi/generator/service/front/BusinessBlockRegistryServiceTest.java
@@ -81,6 +81,24 @@ public class BusinessBlockRegistryServiceTest
         assertEquals("cart", layout.getBlocks().get(0).getBlockCode());
     }
 
+    @Test
+    public void parseLayoutReadsChartDatasetAndSpan()
+    {
+        PageBusinessBlockLayout layout = service.parseLayout(
+                "{\"canvas\":\"business-blocks-v1\",\"blocks\":[{"
+                + "\"id\":\"line_001\",\"blockCode\":\"admin_line_chart\",\"span\":6,"
+                + "\"dataset\":{\"schema\":\"single-table-aggregate-v1\",\"table\":\"shop_order\","
+                + "\"dimension\":{\"field\":\"create_time\",\"timeUnit\":\"day\"},"
+                + "\"metrics\":[{\"field\":\"amount\",\"aggregate\":\"sum\",\"alias\":\"salesAmount\"}]},"
+                + "\"display\":{\"showLegend\":true}}]}");
+
+        BusinessBlockInstance instance = layout.getBlocks().get(0);
+        assertEquals(Integer.valueOf(6), instance.getSpan());
+        assertEquals("shop_order", instance.getDataset().getTable());
+        assertEquals("amount", instance.getDataset().getMetrics().get(0).getField());
+        assertEquals(Boolean.TRUE, instance.getDisplay().get("showLegend"));
+    }
+
     @Test
     public void validateInstanceConfigRejectsMissingRequiredConfig()
     {