diff --git a/src/commands/quota/show.ts b/src/commands/quota/show.ts
index 958ee71..bf9d18a 100644
--- a/src/commands/quota/show.ts
+++ b/src/commands/quota/show.ts
@@ -30,19 +30,27 @@ export default defineCommand({
     const models = response.model_remains || [];
     const format = detectOutputFormat(flags.output as string | undefined);
 
+    // API field current_interval_usage_count actually holds the remaining quota (not usage).
+    // Fix values in-place so the JSON output is semantically correct with no schema change.
+    const fixedModels = models.map((m) => ({
+      ...m,
+      current_interval_usage_count: m.current_interval_total_count - m.current_interval_usage_count,
+      current_weekly_usage_count: m.current_weekly_total_count - m.current_weekly_usage_count,
+    }));
+
     if (format !== 'text') {
-      console.log(formatOutput(response, format));
+      console.log(formatOutput({ ...response, model_remains: fixedModels }, format));
       return;
     }
 
     if (config.quiet) {
-      for (const m of models) {
-        const remaining = m.current_interval_total_count - m.current_interval_usage_count;
-        console.log(`${m.model_name}\t${m.current_interval_usage_count}\t${m.current_interval_total_count}\t${remaining}`);
+      for (const m of fixedModels) {
+        const used = m.current_interval_usage_count; // already usage after fix
+        console.log(`${m.model_name}\t${used}\t${m.current_interval_total_count}\t${m.current_interval_total_count - used}`);
       }
       return;
     }
 
-    renderQuotaTable(models, config);
+    renderQuotaTable(fixedModels, config);
   },
 });
diff --git a/test/commands/quota/show.test.ts b/test/commands/quota/show.test.ts
index ebb88fd..b2616a1 100644
--- a/test/commands/quota/show.test.ts
+++ b/test/commands/quota/show.test.ts
@@ -1,44 +1,185 @@
-import { describe, it, expect } from 'bun:test';
-import { default as showCommand } from '../../../src/commands/quota/show';
+import { describe, it, expect, afterEach, vi } from 'bun:test';
+
+// Store mock fn reference so we can configure it before the module imports it
+const mockRequestJson = vi.fn();
+
+vi.mock('../../../src/client/http', () => ({
+  requestJson: mockRequestJson,
+}));
+
+// Pre-configure mock: API returns usage_count fields holding REMAINING values (the bug)
+mockRequestJson.mockResolvedValue({
+  model_remains: [
+    {
+      model_name: 'MiniMax-M*',
+      start_time: 1775750400000,
+      end_time: 1775768400000,
+      remains_time: 1464894,
+      current_interval_total_count: 1500,
+      current_interval_usage_count: 1417, // ← API says "usage" but value = remaining (the bug)
+      current_weekly_total_count: 0,
+      current_weekly_usage_count: 0,
+      weekly_start_time: 1775404800000,
+      weekly_end_time: 1776009600000,
+      weekly_remains_time: 242664894,
+    },
+    {
+      model_name: 'speech-hd',
+      start_time: 1775750400000,
+      end_time: 1775836800000,
+      remains_time: 69864894,
+      current_interval_total_count: 4000,
+      current_interval_usage_count: 4000, // exhausted → remaining = 0
+      current_weekly_total_count: 28000,
+      current_weekly_usage_count: 28000,
+      weekly_start_time: 1775404800000,
+      weekly_end_time: 1776009600000,
+      weekly_remains_time: 242664894,
+    },
+  ],
+  base_resp: { status_code: 0, status_msg: 'success' },
+});
+
+import type { Config } from '../../../src/config/schema';
+import type { GlobalFlags } from '../../../src/types/flags';
+
+const baseConfig: Config = {
+  apiKey: 'test-key',
+  region: 'global' as const,
+  baseUrl: 'https://api.minimax.io',
+  output: 'text' as const,
+  timeout: 10,
+  verbose: false,
+  quiet: false,
+  noColor: true,
+  yes: false,
+  dryRun: false,
+  nonInteractive: true,
+  async: false,
+};
+
+const baseFlags: GlobalFlags = {
+  quiet: false,
+  verbose: false,
+  noColor: true,
+  yes: false,
+  dryRun: false,
+  help: false,
+  nonInteractive: true,
+  async: false,
+};
 
 describe('quota show command', () => {
-  it('has correct name', () => {
+  afterEach(() => {
+    mockRequestJson.mockClear();
+  });
+
+  it('has correct name', async () => {
+    const { default: showCommand } = await import('../../../src/commands/quota/show');
     expect(showCommand.name).toBe('quota show');
   });
 
-  it('handles dry run', async () => {
-    const config = {
-      apiKey: 'test-key',
-      region: 'global' as const,
-      baseUrl: 'https://api.mmx.io',
-      output: 'text' as const,
-      timeout: 10,
-      verbose: false,
-      quiet: false,
-      noColor: true,
-      yes: false,
-      dryRun: true,
-      nonInteractive: true,
-      async: false,
-    };
+  it('handles dry run without calling API', async () => {
+    const { default: showCommand } = await import('../../../src/commands/quota/show');
 
     const originalLog = console.log;
     let output = '';
     console.log = (msg: string) => { output += msg; };
 
     try {
-      await showCommand.execute(config, {
-        quiet: false,
-        verbose: false,
-        noColor: true,
-        yes: false,
-        dryRun: true,
-        help: false,
-        nonInteractive: true,
-        async: false,
-      });
-
+      await showCommand.execute({ ...baseConfig, dryRun: true }, baseFlags);
       expect(output).toContain('Would fetch quota');
+      expect(mockRequestJson).not.toHaveBeenCalled();
+    } finally {
+      console.log = originalLog;
+    }
+  });
+
+  it('--output json: fixes current_interval_usage_count to be actual usage (no new fields)', async () => {
+    const { default: showCommand } = await import('../../../src/commands/quota/show');
+
+    const config = { ...baseConfig, output: 'json' as const };
+    const originalLog = console.log;
+    let output = '';
+    console.log = (msg: string) => { output += msg; };
+
+    try {
+      await showCommand.execute(config, { ...baseFlags, output: 'json' });
+      const parsed = JSON.parse(output);
+
+      const m = parsed.model_remains[0];
+      // After fix: usage_count = total - remaining = 1500 - 1417 = 83 (actual usage)
+      expect(m.current_interval_usage_count).toBe(83);
+      expect(m.current_interval_total_count).toBe(1500);
+      // No new fields added — schema unchanged
+      expect(m.current_interval_remaining_count).toBeUndefined();
+    } finally {
+      console.log = originalLog;
+    }
+  });
+
+  it('--output json: fixes current_weekly_usage_count to be actual usage for exhausted model', async () => {
+    const { default: showCommand } = await import('../../../src/commands/quota/show');
+
+    const config = { ...baseConfig, output: 'json' as const };
+    const originalLog = console.log;
+    let output = '';
+    console.log = (msg: string) => { output += msg; };
+
+    try {
+      await showCommand.execute(config, { ...baseFlags, output: 'json' });
+      const parsed = JSON.parse(output);
+
+      // speech-hd: weekly_usage_count = weekly_total - remaining = 28000 - 28000 = 0
+      const speech = parsed.model_remains.find(
+        (m: { model_name: string }) => m.model_name === 'speech-hd',
+      );
+      expect(speech.current_weekly_usage_count).toBe(0);
+      expect(speech.current_weekly_total_count).toBe(28000);
+    } finally {
+      console.log = originalLog;
+    }
+  });
+
+  it('--quiet: tab line contains correct values (usage=83, total=1500, remaining=1417)', async () => {
+    const { default: showCommand } = await import('../../../src/commands/quota/show');
+
+    const config = { ...baseConfig, quiet: true };
+    const originalLog = console.log;
+    let output = '';
+    console.log = (msg: string) => { output += msg; };
+
+    try {
+      // flags.output must be 'text' (not auto-detected) to reach quiet branch
+      await showCommand.execute(config, { ...baseFlags, output: 'text' });
+      const trimmed = output.trim();
+
+      // After fix: usage_count=83 (actual usage), remaining=1417
+      expect(trimmed).toContain('MiniMax-M*');
+      expect(trimmed).toContain('\t83\t');    // used = 1500-1417 = 83
+      expect(trimmed).toContain('\t1500\t');  // total
+      expect(trimmed).toContain('1417');        // remaining
+    } finally {
+      console.log = originalLog;
+    }
+  });
+
+  it('--quiet: exhausted quota shows usage=0 (total - remaining = 4000-4000)', async () => {
+    const { default: showCommand } = await import('../../../src/commands/quota/show');
+
+    const config = { ...baseConfig, quiet: true };
+    const originalLog = console.log;
+    let output = '';
+    console.log = (msg: string) => { output += msg; };
+
+    try {
+      await showCommand.execute(config, { ...baseFlags, output: 'text' });
+      const trimmed = output.trim();
+
+      // speech-hd: total=4000, remaining=4000 → usage=0
+      expect(trimmed).toContain('speech-hd');
+      expect(trimmed).toContain('\t0\t');      // usage = 0
+      expect(trimmed).toContain('\t4000\t');    // total
     } finally {
       console.log = originalLog;
     }