diff --git a/src/libs/agent-runtime/minimax/index.test.ts b/src/libs/agent-runtime/minimax/index.test.ts
new file mode 100644
index 000000000000..2258c1d800ed
--- /dev/null
+++ b/src/libs/agent-runtime/minimax/index.test.ts
@@ -0,0 +1,226 @@
+// @vitest-environment edge-runtime
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+import { ChatStreamPayload, ModelProvider } from '@/libs/agent-runtime';
+import * as fetchSSEModule from '@/utils/fetch';
+
+import { LobeMinimaxAI } from './index';
+
+const provider = ModelProvider.Minimax;
+const bizErrorType = 'MinimaxBizError';
+const invalidErrorType = 'InvalidMinimaxAPIKey';
+
+// Mock the console.error to avoid polluting test output
+vi.spyOn(console, 'error').mockImplementation(() => {});
+
+let instance: LobeMinimaxAI;
+
+beforeEach(() => {
+  instance = new LobeMinimaxAI({ apiKey: 'test' });
+
+  // 使用 vi.spyOn 来模拟 fetchSSE 方法
+  vi.spyOn(fetchSSEModule, 'fetchSSE').mockResolvedValue(new Response());
+});
+
+afterEach(() => {
+  vi.clearAllMocks();
+});
+
+describe('LobeMinimaxAI', () => {
+  describe('init', () => {
+    it('should correctly initialize with an API key', async () => {
+      const instance = new LobeMinimaxAI({ apiKey: 'test_api_key' });
+      expect(instance).toBeInstanceOf(LobeMinimaxAI);
+    });
+  });
+
+  describe('chat', () => {
+    it('should return a StreamingTextResponse on successful API call', async () => {
+      const mockStream = new ReadableStream({
+        start(controller) {
+          controller.enqueue('Hello, world!');
+          controller.close();
+        },
+      });
+      vi.spyOn(fetchSSEModule, 'fetchSSE').mockResolvedValue(new Response(mockStream));
+
+      const result = await instance.chat({
+        messages: [{ content: 'Hello', role: 'user' }],
+        model: 'text-davinci-003',
+        temperature: 0,
+      });
+
+      expect(result).toBeInstanceOf(Response);
+    });
+
+    it('should handle text messages correctly', async () => {
+      const mockResponseData = {
+        choices: [{ delta: { content: 'Hello, world!' } }],
+      };
+      vi.spyOn(fetchSSEModule, 'fetchSSE').mockResolvedValue(
+        new Response(
+          new ReadableStream({
+            start(controller) {
+              controller.enqueue(JSON.stringify(mockResponseData));
+              controller.close();
+            },
+          }),
+        ),
+      );
+
+      const result = await instance.chat({
+        messages: [{ content: 'Hello', role: 'user' }],
+        model: 'text-davinci-003',
+        temperature: 0,
+      });
+
+      expect(fetchSSEModule.fetchSSE).toHaveBeenCalledWith(expect.any(Function), {
+        onFinish: expect.any(Function),
+        onMessageHandle: expect.any(Function),
+      });
+      expect(result).toBeInstanceOf(Response);
+    });
+
+    describe('Error', () => {
+      it('should throw InvalidMinimaxAPIKey error on API_KEY_INVALID error', async () => {
+        const mockErrorResponse = {
+          base_resp: {
+            status_code: 1004,
+            status_msg: 'API key not valid',
+          },
+        };
+        vi.spyOn(fetchSSEModule, 'fetchSSE').mockResolvedValue(
+          new Response(
+            new ReadableStream({
+              start(controller) {
+                controller.enqueue(JSON.stringify(mockErrorResponse));
+                controller.close();
+              },
+            }),
+          ),
+        );
+
+        try {
+          await instance.chat({
+            messages: [{ content: 'Hello', role: 'user' }],
+            model: 'text-davinci-003',
+            temperature: 0,
+          });
+        } catch (e) {
+          expect(e).toEqual({
+            errorType: invalidErrorType,
+            error: {
+              code: 1004,
+              message: 'API key not valid',
+            },
+            provider,
+          });
+        }
+      });
+
+      it('should throw MinimaxBizError error on other error status codes', async () => {
+        const mockErrorResponse = {
+          base_resp: {
+            status_code: 1001,
+            status_msg: 'Some error occurred',
+          },
+        };
+        vi.spyOn(fetchSSEModule, 'fetchSSE').mockResolvedValue(
+          new Response(
+            new ReadableStream({
+              start(controller) {
+                controller.enqueue(JSON.stringify(mockErrorResponse));
+                controller.close();
+              },
+            }),
+          ),
+        );
+
+        try {
+          await instance.chat({
+            messages: [{ content: 'Hello', role: 'user' }],
+            model: 'text-davinci-003',
+            temperature: 0,
+          });
+        } catch (e) {
+          expect(e).toEqual({
+            errorType: bizErrorType,
+            error: {
+              code: 1001,
+              message: 'Some error occurred',
+            },
+            provider,
+          });
+        }
+      });
+
+      it('should throw MinimaxBizError error on generic errors', async () => {
+        const mockError = new Error('Something went wrong');
+        vi.spyOn(fetchSSEModule, 'fetchSSE').mockRejectedValue(mockError);
+
+        try {
+          await instance.chat({
+            messages: [{ content: 'Hello', role: 'user' }],
+            model: 'text-davinci-003',
+            temperature: 0,
+          });
+        } catch (e) {
+          expect(e).toEqual({
+            errorType: bizErrorType,
+            error: {
+              cause: undefined,
+              message: 'Something went wrong',
+              name: 'Error',
+              stack: mockError.stack,
+            },
+            provider,
+          });
+        }
+      });
+    });
+  });
+
+  describe('private methods', () => {
+    describe('buildCompletionsParams', () => {
+      it('should build the correct parameters', () => {
+        const payload: ChatStreamPayload = {
+          messages: [{ content: 'Hello', role: 'user' }],
+          model: 'text-davinci-003',
+          temperature: 0.5,
+          top_p: 0.8,
+          max_tokens: 100,
+        };
+
+        const result = instance['buildCompletionsParams'](payload);
+
+        expect(result).toEqual({
+          messages: [{ content: 'Hello', role: 'user' }],
+          model: 'text-davinci-003',
+          stream: true,
+          temperature: 0.5,
+          top_p: 0.8,
+          max_tokens: 100,
+        });
+      });
+
+      it('should exclude temperature and top_p when they are 0', () => {
+        const payload: ChatStreamPayload = {
+          messages: [{ content: 'Hello', role: 'user' }],
+          model: 'text-davinci-003',
+          temperature: 0,
+          top_p: 0,
+          max_tokens: 100,
+        };
+
+        const result = instance['buildCompletionsParams'](payload);
+
+        expect(result).toEqual({
+          messages: [{ content: 'Hello', role: 'user' }],
+          model: 'text-davinci-003',
+          stream: true,
+          max_tokens: 100,
+        });
+      });
+    });
+  });
+});