diff --git a/frontend/src/components/dataGridLayout.test.ts b/frontend/src/components/dataGridLayout.test.ts
index 2752dd0..da5bd71 100644
--- a/frontend/src/components/dataGridLayout.test.ts
+++ b/frontend/src/components/dataGridLayout.test.ts
@@ -1,8 +1,12 @@
-import { strict as assert } from 'node:assert';
-
 import { calculateTableBodyBottomPadding } from './dataGridLayout';
 
-assert.equal(
+const assertEqual = (actual: unknown, expected: unknown, message: string) => {
+  if (actual !== expected) {
+    throw new Error(`${message}\nactual: ${String(actual)}\nexpected: ${String(expected)}`);
+  }
+};
+
+assertEqual(
   calculateTableBodyBottomPadding({
     hasHorizontalOverflow: false,
     floatingScrollbarHeight: 10,
@@ -12,7 +16,7 @@ assert.equal(
   '无横向滚动条时不应增加底部间距'
 );
 
-assert.equal(
+assertEqual(
   calculateTableBodyBottomPadding({
     hasHorizontalOverflow: true,
     floatingScrollbarHeight: 10,
@@ -22,7 +26,7 @@ assert.equal(
   '默认悬浮滚动条应预留滚动条高度、间距和额外安全区'
 );
 
-assert.equal(
+assertEqual(
   calculateTableBodyBottomPadding({
     hasHorizontalOverflow: true,
     floatingScrollbarHeight: 14,
diff --git a/frontend/src/components/redisViewerWorkbenchTheme.test.ts b/frontend/src/components/redisViewerWorkbenchTheme.test.ts
index 4ed9a5a..f53d144 100644
--- a/frontend/src/components/redisViewerWorkbenchTheme.test.ts
+++ b/frontend/src/components/redisViewerWorkbenchTheme.test.ts
@@ -1,22 +1,38 @@
-import { strict as assert } from 'node:assert';
-
 import { buildRedisWorkbenchTheme } from './redisViewerWorkbenchTheme';
 
+const assertEqual = (actual: unknown, expected: unknown, message: string) => {
+  if (actual !== expected) {
+    throw new Error(`${message}\nactual: ${String(actual)}\nexpected: ${String(expected)}`);
+  }
+};
+
+const assertNotEqual = (actual: unknown, expected: unknown, message: string) => {
+  if (actual === expected) {
+    throw new Error(`${message}\nactual: ${String(actual)}\nnotExpected: ${String(expected)}`);
+  }
+};
+
+const assertMatch = (value: string, pattern: RegExp, message: string) => {
+  if (!pattern.test(value)) {
+    throw new Error(`${message}\nactual: ${value}\npattern: ${String(pattern)}`);
+  }
+};
+
 const darkTheme = buildRedisWorkbenchTheme({
   darkMode: true,
   opacity: 0.72,
   blur: 14,
 });
 
-assert.equal(darkTheme.isDark, true);
-assert.match(darkTheme.panelBg, /^rgba\(/);
-assert.match(darkTheme.toolbarPrimaryBg, /^linear-gradient\(/);
-assert.notEqual(darkTheme.actionDangerBg, darkTheme.actionSecondaryBg);
-assert.notEqual(darkTheme.treeSelectedBg, darkTheme.treeHoverBg);
-assert.match(darkTheme.appBg, /rgba\(15, 15, 17,/);
-assert.match(darkTheme.panelBg, /rgba\(24, 24, 28,/);
-assert.match(darkTheme.panelBgStrong, /rgba\(31, 31, 36,/);
-assert.equal(darkTheme.backdropFilter, 'blur(14px)');
+assertEqual(darkTheme.isDark, true, 'dark 主题标记应为 true');
+assertMatch(darkTheme.panelBg, /^rgba\(/, 'dark 主题面板背景应为 rgba');
+assertMatch(darkTheme.toolbarPrimaryBg, /^linear-gradient\(/, '工具栏主按钮应使用渐变背景');
+assertNotEqual(darkTheme.actionDangerBg, darkTheme.actionSecondaryBg, '危险态按钮背景不应与普通按钮相同');
+assertNotEqual(darkTheme.treeSelectedBg, darkTheme.treeHoverBg, '树节点选中态与悬浮态不应相同');
+assertMatch(darkTheme.appBg, /rgba\(15, 15, 17,/, 'dark 背景应保持中性黑基底');
+assertMatch(darkTheme.panelBg, /rgba\(24, 24, 28,/, 'dark 面板背景应保持中性黑灰');
+assertMatch(darkTheme.panelBgStrong, /rgba\(31, 31, 36,/, 'dark 强面板背景应保持中性黑灰');
+assertEqual(darkTheme.backdropFilter, 'blur(14px)', 'blur 参数应映射为 backdropFilter');
 
 const lightTheme = buildRedisWorkbenchTheme({
   darkMode: false,
@@ -24,11 +40,11 @@ const lightTheme = buildRedisWorkbenchTheme({
   blur: 0,
 });
 
-assert.equal(lightTheme.isDark, false);
-assert.match(lightTheme.panelBg, /^rgba\(/);
-assert.match(lightTheme.contentEmptyBg, /^linear-gradient\(/);
-assert.notEqual(lightTheme.textPrimary, lightTheme.textSecondary);
-assert.notEqual(lightTheme.statusTagBg, lightTheme.statusTagMutedBg);
-assert.equal(lightTheme.backdropFilter, 'none');
+assertEqual(lightTheme.isDark, false, 'light 主题标记应为 false');
+assertMatch(lightTheme.panelBg, /^rgba\(/, 'light 主题面板背景应为 rgba');
+assertMatch(lightTheme.contentEmptyBg, /^linear-gradient\(/, 'light 空状态背景应为渐变');
+assertNotEqual(lightTheme.textPrimary, lightTheme.textSecondary, '主次文本颜色应区分');
+assertNotEqual(lightTheme.statusTagBg, lightTheme.statusTagMutedBg, '状态 tag 应区分普通与弱化样式');
+assertEqual(lightTheme.backdropFilter, 'none', 'blur=0 时 backdropFilter 应为 none');
 
 console.log('redisViewerWorkbenchTheme tests passed');
diff --git a/frontend/src/utils/overlayWorkbenchTheme.test.ts b/frontend/src/utils/overlayWorkbenchTheme.test.ts
index 1657759..2979180 100644
--- a/frontend/src/utils/overlayWorkbenchTheme.test.ts
+++ b/frontend/src/utils/overlayWorkbenchTheme.test.ts
@@ -1,17 +1,27 @@
-import { strict as assert } from 'node:assert';
-
 import { buildOverlayWorkbenchTheme } from './overlayWorkbenchTheme';
 
+const assertEqual = (actual: unknown, expected: unknown, message: string) => {
+  if (actual !== expected) {
+    throw new Error(`${message}\nactual: ${String(actual)}\nexpected: ${String(expected)}`);
+  }
+};
+
+const assertMatch = (value: string, pattern: RegExp, message: string) => {
+  if (!pattern.test(value)) {
+    throw new Error(`${message}\nactual: ${value}\npattern: ${String(pattern)}`);
+  }
+};
+
 const darkTheme = buildOverlayWorkbenchTheme(true);
-assert.equal(darkTheme.isDark, true);
-assert.match(darkTheme.shellBg, /rgba\(15, 15, 17,/);
-assert.match(darkTheme.sectionBg, /rgba\(255,?\s*255,?\s*255,?\s*0\.03\)/);
-assert.equal(darkTheme.iconColor, '#ffd666');
+assertEqual(darkTheme.isDark, true, 'dark 主题标记应为 true');
+assertMatch(darkTheme.shellBg, /rgba\(15, 15, 17,/, 'dark 弹层背景应保持中性黑');
+assertMatch(darkTheme.sectionBg, /rgba\(255,?\s*255,?\s*255,?\s*0\.03\)/, 'dark section 背景透明度应匹配');
+assertEqual(darkTheme.iconColor, '#ffd666', 'dark 图标色应为金色强调');
 
 const lightTheme = buildOverlayWorkbenchTheme(false);
-assert.equal(lightTheme.isDark, false);
-assert.match(lightTheme.shellBg, /rgba\(255,255,255,0\.98\)/);
-assert.match(lightTheme.sectionBg, /rgba\(255,?\s*255,?\s*255,?\s*0\.84\)/);
-assert.equal(lightTheme.iconColor, '#1677ff');
+assertEqual(lightTheme.isDark, false, 'light 主题标记应为 false');
+assertMatch(lightTheme.shellBg, /rgba\(255,255,255,0\.98\)/, 'light 弹层背景透明度应匹配');
+assertMatch(lightTheme.sectionBg, /rgba\(255,?\s*255,?\s*255,?\s*0\.84\)/, 'light section 背景透明度应匹配');
+assertEqual(lightTheme.iconColor, '#1677ff', 'light 图标色应为蓝色强调');
 
 console.log('overlayWorkbenchTheme tests passed');