diff --git a/.gitignore b/.gitignore
index 190bb19..2871092 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,7 @@ CLAUDE.md
 config.json
 provider_pools.json
 fetch_system_prompt.txt
-input_system_prompt.txt
\ No newline at end of file
+input_system_prompt.txt
+token-store.json
+usage-cache.json
+*_oauth_creds.json
\ No newline at end of file
diff --git a/install-and-run.bat b/install-and-run.bat
old mode 100644
new mode 100755
diff --git a/install-and-run.sh b/install-and-run.sh
old mode 100644
new mode 100755
diff --git a/jest.config.js b/jest.config.js
index b61803a..c5f4a2a 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,7 +1,7 @@
 export default {
   testEnvironment: 'node',
   transform: {
-    '^.+\\.js$': 'babel-jest',
+    '^.+\\.(js|mjs)$': 'babel-jest',
   },
   transformIgnorePatterns: [
     '/node_modules/(?!(uuid)/)', // uuid is an ESM module that needs to be transformed
@@ -15,8 +15,7 @@ export default {
     '^(\\.{1,2}/.*)\\.js$': '$1'
   },
   testMatch: [
-    '**/tests/api-server.test.js',
-    '**/tests/api-integration.test.js'
+    '**/tests/**/*.test.js'
   ],
   collectCoverageFrom: [
     'src/**/*.js',
diff --git a/package-lock.json b/package-lock.json
index 80ddcb2..e1098a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "AIClient2API",
+  "name": "AIClient-2-API",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
diff --git a/src/converters/strategies/GeminiConverter.js b/src/converters/strategies/GeminiConverter.js
index 4e092a9..41a9d06 100644
--- a/src/converters/strategies/GeminiConverter.js
+++ b/src/converters/strategies/GeminiConverter.js
@@ -209,6 +209,7 @@ export class GeminiConverter extends BaseConverter {
                 }
                 if (part.functionCall) {
                     toolCalls.push({
+                        index: toolCalls.length,
                         id: part.functionCall.id || `call_${uuidv4()}`,
                         type: 'function',
                         function: {
@@ -231,6 +232,11 @@ export class GeminiConverter extends BaseConverter {
                          candidate.finishReason.toLowerCase();
         }
 
+        // 如果包含工具调用，且完成原因为 stop，则将完成原因修改为 tool_calls
+        if (toolCalls.length > 0 && finishReason === 'stop') {
+            finishReason = 'tool_calls';
+        }
+
         // 构建delta对象
         const delta = {};
         if (content) delta.content = content;
diff --git a/static/login.html b/static/login.html
index 0c1bcce..5ad696e 100644
--- a/static/login.html
+++ b/static/login.html
@@ -219,7 +219,7 @@
     </div>
 
     <script type="module">
-        import { initI18n, t } from './app/i18n.js';
+        import { initI18n, t, setLanguage } from './app/i18n.js';
         import { initLanguageSwitcher } from './app/language-switcher.js';
 
         // 初始化多语言
@@ -246,7 +246,7 @@
                     option.addEventListener('click', (e) => {
                         e.stopPropagation();
                         const lang = option.getAttribute('data-lang');
-                        module.setLanguage(lang);
+                        setLanguage(lang);
                         switcher.querySelector('.current-lang').textContent = lang === 'zh-CN' ? '中文' : 'EN';
                         languageOptions.forEach(opt => opt.classList.remove('active'));
                         option.classList.add('active');
diff --git a/tests/gemini-converter.test.js b/tests/gemini-converter.test.js
new file mode 100644
index 0000000..aac0168
--- /dev/null
+++ b/tests/gemini-converter.test.js
@@ -0,0 +1,90 @@
+
+import GeminiConverter from '../src/converters/strategies/GeminiConverter.js';
+import { jest } from '@jest/globals';
+
+describe('GeminiConverter', () => {
+    let converter;
+
+    beforeEach(() => {
+        converter = new GeminiConverter();
+    });
+
+    test('toOpenAIStreamChunk adds index to tool_calls', () => {
+        const geminiChunk = {
+            candidates: [{
+                content: {
+                    parts: [{
+                        functionCall: {
+                            name: 'test_tool',
+                            args: { param: 'value' }
+                        }
+                    }]
+                }
+            }]
+        };
+
+        const result = converter.toOpenAIStreamChunk(geminiChunk, 'gemini-pro');
+
+        expect(result).not.toBeNull();
+        expect(result.choices[0].delta).toHaveProperty('tool_calls');
+        expect(result.choices[0].delta.tool_calls).toHaveLength(1);
+        expect(result.choices[0].delta.tool_calls[0]).toHaveProperty('index');
+        expect(result.choices[0].delta.tool_calls[0].index).toBe(0);
+        expect(result.choices[0].delta.tool_calls[0].function.name).toBe('test_tool');
+    });
+
+    test('toOpenAIStreamChunk handles multiple tool_calls with correct indices', () => {
+        const geminiChunk = {
+            candidates: [{
+                content: {
+                    parts: [
+                        {
+                            functionCall: {
+                                name: 'tool_one',
+                                args: {}
+                            }
+                        },
+                        {
+                            functionCall: {
+                                name: 'tool_two',
+                                args: {}
+                            }
+                        }
+                    ]
+                }
+            }]
+        };
+
+        const result = converter.toOpenAIStreamChunk(geminiChunk, 'gemini-pro');
+
+        expect(result).not.toBeNull();
+        expect(result.choices[0].delta.tool_calls).toHaveLength(2);
+        
+        expect(result.choices[0].delta.tool_calls[0].index).toBe(0);
+        expect(result.choices[0].delta.tool_calls[0].function.name).toBe('tool_one');
+
+        expect(result.choices[0].delta.tool_calls[1].index).toBe(1);
+        expect(result.choices[0].delta.tool_calls[1].function.name).toBe('tool_two');
+    });
+
+    test('toOpenAIStreamChunk sets finish_reason to tool_calls when tool calls are present and finishReason is STOP', () => {
+        const geminiChunk = {
+            candidates: [{
+                finishReason: 'STOP',
+                content: {
+                    parts: [{
+                        functionCall: {
+                            name: 'test_tool',
+                            args: {}
+                        }
+                    }]
+                }
+            }]
+        };
+
+        const result = converter.toOpenAIStreamChunk(geminiChunk, 'gemini-pro');
+
+        expect(result).not.toBeNull();
+        expect(result.choices[0].finish_reason).toBe('tool_calls');
+    });
+});