diff --git a/__tests__/commands-format.test.ts b/__tests__/commands-format.test.ts
index c73c927..117486a 100644
--- a/__tests__/commands-format.test.ts
+++ b/__tests__/commands-format.test.ts
@@ -1,4 +1,5 @@
 import { describe, it, expect } from "vitest";
+import { visibleWidth } from "@earendil-works/pi-tui";
 import { sanitizeRows } from "../commands/query";
 import { formatRelationsList } from "../commands/relations";
 import { formatFavoriteList } from "../commands/favorites";
@@ -114,9 +115,18 @@ describe("formatFavoriteList", () => {
   it("truncates long sql and appends description line", () => {
     const longSql = "SELECT * FROM " + "x".repeat(100);
     const out = formatFavoriteList([fav({ sql: longSql, description: "很长的一段说明" })]);
-    expect(out).toContain("...");
+    expect(out).toContain("…");
     expect(out).toContain("很长的一段说明");
   });
+
+  it("中文收藏名与中文 SQL 按显示宽度对齐（不按码元）", () => {
+    // 中文名 "最近订单" 显示宽 8 列——若按码元 padEnd(18) 只补到 10 列，
+    // dbTag 起点会比 ASCII 名提前 8 列，列错位。
+    const out = formatFavoriteList([fav({}), fav({ id: 2, name: "orders", database: "" })]);
+    const lines = out.split("\n").filter((l) => l.startsWith("  #"));
+    const tagStarts = lines.map((l) => visibleWidth(l.slice(0, l.indexOf("["))));
+    expect(new Set(tagStarts).size).toBe(1);
+  });
 });
 
 // ====== formatEntry / entryToItem ======
@@ -147,6 +157,20 @@ describe("formatEntry / entryToItem", () => {
     expect(formatEntry(long, 8)).toContain("…");
   });
 
+  it("中文 SQL 按显示宽度截断/补齐——整行宽度与 ASCII 行一致", () => {
+    const cjk: HistoryEntry = {
+      ...entry,
+      sql: "SELECT * FROM 产品表 WHERE 产品名称 LIKE '%智能音箱%' AND 状态='在售' ORDER BY 创建时间 DESC",
+    };
+    const out = formatEntry(cjk, 0);
+    // SQL 列固定 52 显示列：按码元 slice/padEnd 会撑到 ~104 列，
+    // 挤掉右侧的行数/耗时列（SelectList 按宽度截断后丢失）。
+    expect(out).toContain("…");
+    expect(out).toContain("100行");
+    expect(out).toContain("0.010s");
+    expect(visibleWidth(out)).toBe(visibleWidth(formatEntry(entry, 0)));
+  });
+
   it("converts to a SelectItem keyed by id", () => {
     const item = entryToItem(entry, 3);
     expect(item.value).toBe("42");
diff --git a/__tests__/display-width.test.ts b/__tests__/display-width.test.ts
index 976e2f2..e2d3423 100644
--- a/__tests__/display-width.test.ts
+++ b/__tests__/display-width.test.ts
@@ -1,6 +1,10 @@
 import { describe, it, expect } from "vitest";
 import { visibleWidth } from "@earendil-works/pi-tui";
-import { padToDisplayWidth, truncateToDisplayWidth } from "../formatting/display-width";
+import {
+  padToDisplayWidth,
+  truncateToDisplayWidth,
+  wrapToDisplayWidth,
+} from "../formatting/display-width";
 
 describe("truncateToDisplayWidth", () => {
   it("短文本原样返回", () => {
@@ -42,3 +46,50 @@ describe("padToDisplayWidth", () => {
     expect(padToDisplayWidth("A".repeat(20), 10)).toBe("A".repeat(20));
   });
 });
+
+describe("wrapToDisplayWidth", () => {
+  it("短文本不换行", () => {
+    expect(wrapToDisplayWidth("hello", 20)).toEqual(["hello"]);
+  });
+
+  it("空字符串返回单个空行", () => {
+    expect(wrapToDisplayWidth("", 10)).toEqual([""]);
+  });
+
+  it("ASCII 按列切分，每段 ≤ w 列", () => {
+    const lines = wrapToDisplayWidth("A".repeat(25), 10);
+    expect(lines).toEqual(["A".repeat(10), "A".repeat(10), "A".repeat(5)]);
+  });
+
+  it("中文按显示宽度切分（每字 2 列），不劈开字符", () => {
+    // 10 列 = 5 个汉字；13 个汉字 → [5 字, 5 字, 3 字]
+    const s = "产品名称订单详情编号测试好";
+    const lines = wrapToDisplayWidth(s, 10);
+    expect(lines.map((l) => visibleWidth(l))).toEqual([10, 10, 6]);
+    expect(lines.join("")).toBe(s);
+  });
+
+  it("emoji（代理对）不被劈开", () => {
+    const s = "ab📦cd";
+    const lines = wrapToDisplayWidth(s, 4);
+    expect(lines.join("")).toBe(s);
+    for (const l of lines) {
+      expect(visibleWidth(l)).toBeLessThanOrEqual(4);
+    }
+    // 📦 占 2 列且完整落在某一行，不产生替换符
+    expect(lines.some((l) => l.includes("📦"))).toBe(true);
+  });
+
+  it("w < 1 时原样返回（退化兜底）", () => {
+    expect(wrapToDisplayWidth("abc", 0)).toEqual(["abc"]);
+  });
+
+  it("混合中英文时每段 ≤ w 列且拼接还原", () => {
+    const s = "UPDATE 产品表 SET 名称='新名称' WHERE id=12345";
+    const lines = wrapToDisplayWidth(s, 12);
+    expect(lines.join("")).toBe(s);
+    for (const l of lines) {
+      expect(visibleWidth(l)).toBeLessThanOrEqual(12);
+    }
+  });
+});
diff --git a/commands/favorites.ts b/commands/favorites.ts
index 04451cb..34bb15c 100644
--- a/commands/favorites.ts
+++ b/commands/favorites.ts
@@ -6,6 +6,7 @@ import type { ExtensionAPI, ExtensionCommandContext } from "@earendil-works/pi-c
 import type { DatabaseWorkspaceService } from "../state/workspace";
 import type { FavoriteEntry } from "../history/store";
 import { READONLY_SQL_RE } from "../connection/sql-policy";
+import { padToDisplayWidth, truncateToDisplayWidth } from "../formatting/display-width";
 import { executeAndDisplay } from "./query";
 
 // ── 列表格式化 ─────────────────────────────────────────────
@@ -21,10 +22,13 @@ export function formatFavoriteList(entries: FavoriteEntry[], currentDb?: string)
   const lines = [`═══ 收藏查询 ${scope} — ${entries.length} 条 ═══`, ""];
 
   for (const e of entries) {
-    const sql = e.sql.length > 55 ? e.sql.slice(0, 52) + "..." : e.sql;
+    // 名称/库标签/SQL 都按显示宽度对齐——中文名按码元 padEnd 会列错位
+    const sql = truncateToDisplayWidth(e.sql, 55);
     const dbTag = e.database ? `[${e.database}]` : "[🌐 全局]";
-    const desc = e.description ? ` — ${e.description.slice(0, 30)}` : "";
-    lines.push(`  #${String(e.id).padStart(3)} ${e.name.padEnd(18)}${dbTag.padEnd(14)}${sql}`);
+    const desc = e.description ? ` — ${truncateToDisplayWidth(e.description, 30)}` : "";
+    lines.push(
+      `  #${String(e.id).padStart(3)} ${padToDisplayWidth(e.name, 18)}${padToDisplayWidth(dbTag, 14)}${sql}`,
+    );
     if (desc) lines.push(`       ${desc}`);
   }
 
@@ -112,8 +116,8 @@ async function handleFavoriteList(
   }
 
   const labels = entries.map((e) => {
-    const sql = e.sql.length > 40 ? e.sql.slice(0, 37) + "..." : e.sql.padEnd(40);
-    return `#${String(e.id).padStart(3)} ${e.name.padEnd(18)} ${sql}`;
+    const sql = padToDisplayWidth(truncateToDisplayWidth(e.sql, 40), 40);
+    return `#${String(e.id).padStart(3)} ${padToDisplayWidth(e.name, 18)} ${sql}`;
   });
 
   const choice = await ctx.ui.select("选择一个收藏", labels);
diff --git a/commands/history.ts b/commands/history.ts
index 14fb476..d2f78f9 100644
--- a/commands/history.ts
+++ b/commands/history.ts
@@ -16,6 +16,7 @@ import { DynamicBorder } from "@earendil-works/pi-coding-agent";
 import { Container, type SelectItem, SelectList, Text } from "@earendil-works/pi-tui";
 import type { DatabaseWorkspaceService } from "../state/workspace";
 import type { HistoryEntry } from "../history/store";
+import { padToDisplayWidth, truncateToDisplayWidth } from "../formatting/display-width";
 import { withLoader } from "./utils";
 import { executeAndDisplay } from "./query";
 
@@ -23,11 +24,13 @@ import { executeAndDisplay } from "./query";
 
 export function formatEntry(entry: HistoryEntry, index: number): string {
   const time = entry.createdTime.replace("T", " ").slice(5, 19); // "MM-DD HH:MM:SS"
-  const sql = entry.sql.length > 52 ? entry.sql.slice(0, 49) + "…" : entry.sql;
+  // SQL 列按显示宽度截断/补齐——中文 SQL 按码元 slice/padEnd 会让
+  // 行宽翻倍，后续列（行数/耗时）被 SelectList 截掉、列错位。
+  const sql = padToDisplayWidth(truncateToDisplayWidth(entry.sql, 52), 52);
   return [
     String(index + 1).padStart(2),
     time,
-    sql.padEnd(52),
+    sql,
     `${entry.rowCount}行`.padStart(5),
     entry.elapsed,
   ].join("  ");
@@ -98,7 +101,7 @@ export async function handleHistory(
     case "🗑 删除": {
       const ok = await ctx.ui.confirm(
         "确认删除",
-        `SQL: ${selected.sql.length > 60 ? selected.sql.slice(0, 57) + "…" : selected.sql}`,
+        `SQL: ${truncateToDisplayWidth(selected.sql, 60)}`,
       );
       if (ok) {
         ws.deleteHistory(selected.id);
@@ -137,7 +140,7 @@ async function showHistorySelector(
     const selectList = new SelectList(items, Math.min(items.length, 12), {
       selectedPrefix: (t) => theme.fg("accent", t),
       selectedText: (t) => theme.fg("accent", theme.bold(t)),
-      description: (t) => theme.fg("dim", t.slice(0, 80)),
+      description: (t) => theme.fg("dim", truncateToDisplayWidth(t, 80)),
       scrollInfo: (t) => theme.fg("dim", t),
       noMatch: (t) => theme.fg("warning", t),
     });
diff --git a/commands/mutate-confirm.ts b/commands/mutate-confirm.ts
index eb1d987..1871af3 100644
--- a/commands/mutate-confirm.ts
+++ b/commands/mutate-confirm.ts
@@ -4,13 +4,17 @@
  * 显示带颜色编码的操作类型、连接/数据库上下文和缺少 WHERE 的警告。
  * 用户按 Enter 确认或 Esc 取消。非 TUI 模式回退到 ctx.ui.confirm()。
  *
+ * SQL 框宽度在 render(w) 时按真实渲染宽度自适应：pi-tui overlay 的
+ * 默认宽度是 min(80, termWidth)，构造期写死宽度会让长 SQL 行被
+ * Text 组件折行、框线崩坏。长 SQL 在框内按显示宽度软换行（不截断，
+ * 确认破坏性操作需要看到完整 WHERE），行数超限时折叠为省略提示。
  */
 
 import type { ExtensionContext } from "@earendil-works/pi-coding-agent";
 import { DynamicBorder } from "@earendil-works/pi-coding-agent";
 import { Container, Text, Spacer, matchesKey, Key, visibleWidth } from "@earendil-works/pi-tui";
 import type { MutationApprovalRequest } from "../state/workspace";
-import { padToDisplayWidth, truncateToDisplayWidth } from "../formatting/display-width";
+import { padToDisplayWidth, wrapToDisplayWidth } from "../formatting/display-width";
 
 type StyleColor = "success" | "warning" | "error";
 
@@ -23,6 +27,13 @@ const OP_STYLE: Record<string, { icon: string; color: StyleColor }> = {
 
 const DEFAULT_WARNING = "该操作将永久修改数据，无法撤销";
 
+/** SQL 框内容宽度下限——超窄终端的兜底，防止框宽坍缩为负。 */
+const MIN_SQL_CONTENT = 10;
+/** SQL 框内容宽度上限——宽终端下的美学上限，避免框体铺满全屏。 */
+const MAX_SQL_CONTENT = 88;
+/** SQL 物理行数上限，超出部分折叠为一条省略提示。 */
+const MAX_SQL_LINES = 12;
+
 /**
  * 显示变更确认对话框，用户确认时返回 true。
  *
@@ -49,103 +60,125 @@ export async function showMutationConfirm(
 
   const result = await ctx.ui.custom<boolean>(
     (_tui, theme, _kb, done) => {
-      const container = new Container();
-
-      // ── 上边框 ──
-      container.addChild(new DynamicBorder((s: string) => theme.fg("accent", s)));
-      container.addChild(new Spacer(0));
-
-      // ── 标题 ──
-      container.addChild(new Text(theme.fg("accent", theme.bold("  ⚠️ 数据修改确认")), 2, 0));
-      container.addChild(new Spacer(0));
-
-      // ── 元信息 ──
-      const opLabel = `${style.icon} ${params.operation}`;
-      container.addChild(new Text(`  操作类型：  ${theme.fg(style.color, opLabel)}`, 2, 0));
-      container.addChild(
-        new Text(`  目标数据库：${params.database} @ ${params.connectionId}`, 2, 0),
-      );
-      container.addChild(new Spacer(0));
-
-      // ── SQL 框 ──
-      const sqlLines = params.sql.split("\n");
-      const maxSqlLen = Math.max(...sqlLines.map((l) => l.length));
-      const boxInnerWidth = Math.min(maxSqlLen + 2, 78);
-
-      // 上边缘
-      container.addChild(new Text(theme.fg(style.color, `  ┌${"─".repeat(boxInnerWidth)}┐`), 2, 0));
-
-      // 空填充行
-      container.addChild(
-        new Text(
-          `${theme.fg(style.color, "  │")}${" ".repeat(boxInnerWidth)}${theme.fg(style.color, "│")}`,
-          2,
-          0,
-        ),
-      );
-
-      // SQL 内容——按显示宽度截断/补齐（中文/emoji 占 2 列，
-      // 按码元 slice/padEnd 会让中文 SQL 行超宽）。
-      for (const line of sqlLines) {
-        const trimmed = line.trim();
-        const maxContent = boxInnerWidth - 2;
-        const display =
-          visibleWidth(trimmed) > maxContent
-            ? truncateToDisplayWidth(trimmed, maxContent - 1) + "…"
-            : padToDisplayWidth(trimmed, maxContent);
+      // 宽度变化（含首次渲染、终端 resize）时重建内容。
+      let lastWidth = -1;
+      let container = new Container();
+
+      const build = (w: number): void => {
+        container = new Container();
+
+        // ── 上边框 ──
+        container.addChild(new DynamicBorder((s: string) => theme.fg("accent", s)));
+        container.addChild(new Spacer(0));
+
+        // ── 标题 ──
+        container.addChild(new Text(theme.fg("accent", theme.bold("  ⚠️ 数据修改确认")), 2, 0));
+        container.addChild(new Spacer(0));
+
+        // ── 元信息 ──
+        const opLabel = `${style.icon} ${params.operation}`;
+        container.addChild(new Text(`  操作类型：  ${theme.fg(style.color, opLabel)}`, 2, 0));
+        container.addChild(
+          new Text(`  目标数据库：${params.database} @ ${params.connectionId}`, 2, 0),
+        );
+        container.addChild(new Spacer(0));
+
+        // ── SQL 框 ──
+        // 内容预算 = w − Text 左右 margin(2+2) − 框线 "  │ "/" │" (4+2)，
+        // 保证框体任何一行都不超过 Text 的折行宽度 w−4。
+        const logicalLines = params.sql.split("\n").map((l) => l.trim());
+        const maxLineWidth = Math.max(...logicalLines.map((l) => visibleWidth(l)));
+        const availContent = Math.max(MIN_SQL_CONTENT, w - 10);
+        const contentWidth = Math.min(
+          Math.max(maxLineWidth, MIN_SQL_CONTENT),
+          MAX_SQL_CONTENT,
+          availContent,
+        );
+        const boxInnerWidth = contentWidth + 2;
+
+        const addBoxLine = (content: string) => {
+          container.addChild(
+            new Text(
+              `${theme.fg(style.color, "  │ ")}${content}${theme.fg(style.color, " │")}`,
+              2,
+              0,
+            ),
+          );
+        };
+
+        // 上边缘
+        container.addChild(
+          new Text(theme.fg(style.color, `  ┌${"─".repeat(boxInnerWidth)}┐`), 2, 0),
+        );
+
+        // 空填充行
+        addBoxLine(" ".repeat(contentWidth));
+
+        // SQL 内容——按显示宽度软换行为多条物理行（中文/emoji 占 2 列，
+        // 按码元切会让中文 SQL 行超宽折行）；软换行保证每条物理行
+        // ≤ contentWidth，只需右补齐即可让框线对齐。
+        const physicalLines = logicalLines.flatMap((l) => wrapToDisplayWidth(l, contentWidth));
+        const hiddenCount = Math.max(0, physicalLines.length - MAX_SQL_LINES);
+        const shownLines = physicalLines.slice(0, physicalLines.length - hiddenCount);
+        for (const line of shownLines) {
+          addBoxLine(padToDisplayWidth(line, contentWidth));
+        }
+        if (hiddenCount > 0) {
+          // 先按显示宽度补齐再上色——display-width 工具只接受纯文本
+          const note = padToDisplayWidth(`… 省略 ${hiddenCount} 行`, contentWidth);
+          addBoxLine(theme.fg("dim", note));
+        }
+
+        // 空填充行
+        addBoxLine(" ".repeat(contentWidth));
+
+        // 下边缘
+        container.addChild(
+          new Text(theme.fg(style.color, `  └${"─".repeat(boxInnerWidth)}┘`), 2, 0),
+        );
+
+        container.addChild(new Spacer(0));
+
+        // ── 警告 ──
         container.addChild(
           new Text(
-            `${theme.fg(style.color, "  │ ")}${display}${theme.fg(style.color, " │")}`,
+            params.warning
+              ? `  ${theme.fg("warning", warningText)}`
+              : `  ${theme.fg("dim", `⚠️ ${warningText}`)}`,
             2,
             0,
           ),
         );
-      }
-
-      // 空填充行
-      container.addChild(
-        new Text(
-          `${theme.fg(style.color, "  │")}${" ".repeat(boxInnerWidth)}${theme.fg(style.color, "│")}`,
-          2,
-          0,
-        ),
-      );
-
-      // 下边缘
-      container.addChild(new Text(theme.fg(style.color, `  └${"─".repeat(boxInnerWidth)}┘`), 2, 0));
-
-      container.addChild(new Spacer(0));
-
-      // ── 警告 ──
-      container.addChild(
-        new Text(
-          params.warning
-            ? `  ${theme.fg("warning", warningText)}`
-            : `  ${theme.fg("dim", `⚠️ ${warningText}`)}`,
-          2,
-          0,
-        ),
-      );
-
-      container.addChild(new Spacer(0));
-
-      // ── 按键提示 ──
-      container.addChild(
-        new Text(
-          `  ${theme.fg("accent", "Enter 确认执行")}    ${theme.fg("dim", "Esc 取消")}`,
-          2,
-          0,
-        ),
-      );
-
-      container.addChild(new Spacer(0));
-
-      // ── 下边框 ──
-      container.addChild(new DynamicBorder((s: string) => theme.fg("accent", s)));
+
+        container.addChild(new Spacer(0));
+
+        // ── 按键提示 ──
+        container.addChild(
+          new Text(
+            `  ${theme.fg("accent", "Enter 确认执行")}    ${theme.fg("dim", "Esc 取消")}`,
+            2,
+            0,
+          ),
+        );
+
+        container.addChild(new Spacer(0));
+
+        // ── 下边框 ──
+        container.addChild(new DynamicBorder((s: string) => theme.fg("accent", s)));
+      };
 
       return {
-        render: (w: number) => container.render(w),
-        invalidate: () => container.invalidate(),
+        render: (w: number) => {
+          if (w !== lastWidth) {
+            build(w);
+            lastWidth = w;
+          }
+          return container.render(w);
+        },
+        invalidate: () => {
+          lastWidth = -1;
+          container.invalidate();
+        },
         handleInput: (data: string) => {
           if (matchesKey(data, Key.enter)) {
             done(true);
diff --git a/commands/related-browser.ts b/commands/related-browser.ts
index c48a401..a2b6ede 100644
--- a/commands/related-browser.ts
+++ b/commands/related-browser.ts
@@ -195,7 +195,9 @@ export async function openRelatedBrowser(
     (tui, theme, _kb, done) => {
       const nav = createBrowserNav(cache.related.length);
       let scroll = 0;
-      /** 最近一次渲染的 overlay 宽度——build 用它计算表格布局宽度。 */
+      /** 最近一次渲染的 overlay 宽度——build 用它计算表格布局宽度。
+       *  初始 80 只是占位：首帧 render(w) 拿到真实宽度后会触发重建，
+       *  否则窄终端下首屏按过期宽度截断的表格行会被 Text 折行。 */
       let lastWidth = 80;
 
       // Box 提供不透明背景（selectedBg：两主题下均为中性蓝灰，
@@ -289,7 +291,12 @@ export async function openRelatedBrowser(
 
       return {
         render: (w) => {
-          lastWidth = w;
+          // 宽度变化（含首帧拿到真实 overlay 宽度）时重建内容——
+          // build 内的表格布局与截断宽度都依赖 lastWidth
+          if (w !== lastWidth) {
+            lastWidth = w;
+            build();
+          }
           return box.render(w);
         },
         invalidate: () => {
diff --git a/commands/relations.ts b/commands/relations.ts
index 3176b07..c75f12b 100644
--- a/commands/relations.ts
+++ b/commands/relations.ts
@@ -7,6 +7,7 @@
 import type { ExtensionAPI, ExtensionCommandContext } from "@earendil-works/pi-coding-agent";
 import type { DatabaseWorkspaceService } from "../state/workspace";
 import type { StoredRelation } from "../types";
+import { padToDisplayWidth } from "../formatting/display-width";
 import { pickTableFuzzy, withLoader } from "./utils";
 
 // ── 列表格式化 ─────────────────────────────────────────────
@@ -66,7 +67,7 @@ async function handleRelationsList(
     const src = `${r.table}.${r.column}`;
     const ref = `${r.refTable}.${r.refColumn}`;
     const cond = r.condition ? ` [${r.condition}]` : "";
-    return `#${String(r.id).padStart(3)} ${src.padEnd(24)} → ${ref} (${r.relationType})${cond}`;
+    return `#${String(r.id).padStart(3)} ${padToDisplayWidth(src, 24)} → ${ref} (${r.relationType})${cond}`;
   });
 
   const choice = await ctx.ui.select("选择一个关系", labels);
@@ -175,7 +176,7 @@ async function handleRelationsRemove(
   const labels = rows.map((r) => {
     const src = `${r.table}.${r.column}`;
     const ref = `${r.refTable}.${r.refColumn}`;
-    return `#${String(r.id).padStart(3)} ${src.padEnd(24)} → ${ref} (${r.relationType})`;
+    return `#${String(r.id).padStart(3)} ${padToDisplayWidth(src, 24)} → ${ref} (${r.relationType})`;
   });
 
   const choice = await ctx.ui.select("选择要删除的关系", labels);
diff --git a/formatting/display-width.ts b/formatting/display-width.ts
index 2a31e64..bfae975 100644
--- a/formatting/display-width.ts
+++ b/formatting/display-width.ts
@@ -33,3 +33,29 @@ export function truncateToDisplayWidth(s: string, max: number): string {
 export function padToDisplayWidth(s: string, w: number): string {
   return s + " ".repeat(Math.max(0, w - visibleWidth(s)));
 }
+
+/**
+ * 纯文本按显示宽度软换行——超宽行切成多段，每段 ≤ w 列。
+ *
+ * 按码点迭代（for..of），不会劈开代理对（emoji）；宽字符在
+ * 行尾放不下时挪到下一行。单个字符比 w 还宽时原样放出（调用方
+ * 的宽度预算退化为 0 的兜底）。空字符串返回 [""]。
+ */
+export function wrapToDisplayWidth(s: string, w: number): string[] {
+  if (w < 1) return [s];
+  const lines: string[] = [];
+  let cur = "";
+  let curW = 0;
+  for (const ch of s) {
+    const cw = visibleWidth(ch);
+    if (curW + cw > w && cur !== "") {
+      lines.push(cur);
+      cur = "";
+      curW = 0;
+    }
+    cur += ch;
+    curW += cw;
+  }
+  lines.push(cur);
+  return lines;
+}