diff --git a/.gitignore b/.gitignore
index a867f90..4ae0365 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 node_modules
-config.json
 .serena/
 .claude/
 CLAUDE.md
\ No newline at end of file
diff --git a/config.json b/config.json
new file mode 100644
index 0000000..c032ffa
--- /dev/null
+++ b/config.json
@@ -0,0 +1,25 @@
+{
+    "REQUIRED_API_KEY": "123456",
+    "SERVER_PORT": 3000,
+    "HOST": "127.0.0.1",
+    "MODEL_PROVIDER": "gemini-cli-oauth",
+    "OPENAI_API_KEY": "xxx",
+    "OPENAI_BASE_URL": "https://openai/v1",
+    "CLAUDE_API_KEY": "xxx",
+    "CLAUDE_BASE_URL": "https://anthropic/v1",
+    "PROJECT_ID": null,
+    "GEMINI_OAUTH_CREDS_BASE64": null,
+    "GEMINI_OAUTH_CREDS_FILE_PATH": null,
+    "KIRO_OAUTH_CREDS_BASE64": null,
+    "KIRO_OAUTH_CREDS_FILE_PATH": null,
+    "QWEN_OAUTH_CREDS_FILE_PATH": null,
+    "SYSTEM_PROMPT_FILE_PATH": "input_system_prompt.txt",
+    "SYSTEM_PROMPT_MODE": "overwrite",
+    "PROMPT_LOG_BASE_NAME": "prompt_log",
+    "PROMPT_LOG_MODE": "none",
+    "REQUEST_MAX_RETRIES": 3,
+    "REQUEST_BASE_DELAY": 1000,
+    "CRON_NEAR_MINUTES": 1,
+    "CRON_REFRESH_TOKEN": false,
+    "PROVIDER_POOLS_FILE_PATH": "provider_pools.json"
+}
\ No newline at end of file
diff --git a/src/convert.js b/src/convert.js
index 0fa21e2..1aa1703 100644
--- a/src/convert.js
+++ b/src/convert.js
@@ -105,40 +105,23 @@ function _determineReasoningEffortFromBudget(budgetTokens) {
         return "high";
     }
 
-    // 从环境变量获取阈值配置
-    const lowThresholdStr = process.env.ANTHROPIC_TO_OPENAI_LOW_REASONING_THRESHOLD;
-    const highThresholdStr = process.env.ANTHROPIC_TO_OPENAI_HIGH_REASONING_THRESHOLD;
+    // 使用固定阈值替代环境变量
+    const LOW_THRESHOLD = 50;    // 低推理努力的阈值
+    const HIGH_THRESHOLD = 200;  // 高推理努力的阈值
 
-    // 检查必需的环境变量
-    if (lowThresholdStr === undefined) {
-        throw new Error("ANTHROPIC_TO_OPENAI_LOW_REASONING_THRESHOLD environment variable is required for intelligent reasoning_effort determination");
+    console.debug(`Threshold configuration: low <= ${LOW_THRESHOLD}, medium <= ${HIGH_THRESHOLD}, high > ${HIGH_THRESHOLD}`);
+
+    let effort;
+    if (budgetTokens <= LOW_THRESHOLD) {
+        effort = "low";
+    } else if (budgetTokens <= HIGH_THRESHOLD) {
+        effort = "medium";
+    } else {
+        effort = "high";
     }
 
-    if (highThresholdStr === undefined) {
-        throw new Error("ANTHROPIC_TO_OPENAI_HIGH_REASONING_THRESHOLD environment variable is required for intelligent reasoning_effort determination");
-    }
-
-    try {
-        const lowThreshold = parseInt(lowThresholdStr, 10);
-        const highThreshold = parseInt(highThresholdStr, 10);
-
-        console.debug(`Threshold configuration: low <= ${lowThreshold}, medium <= ${highThreshold}, high > ${highThreshold}`);
-
-        let effort;
-        if (budgetTokens <= lowThreshold) {
-            effort = "low";
-        } else if (budgetTokens <= highThreshold) {
-            effort = "medium";
-        } else {
-            effort = "high";
-        }
-
-        console.info(`🎯 Budget tokens ${budgetTokens} -> reasoning_effort '${effort}' (thresholds: low<=${lowThreshold}, high<=${highThreshold})`);
-        return effort;
-
-    } catch (e) {
-        throw new Error(`Invalid threshold values in environment variables: ${e.message}. ANTHROPIC_TO_OPENAI_LOW_REASONING_THRESHOLD and ANTHROPIC_TO_OPENAI_HIGH_REASONING_THRESHOLD must be integers.`);
-    }
+    console.info(`🎯 Budget tokens ${budgetTokens} -> reasoning_effort '${effort}' (thresholds: low<=${LOW_THRESHOLD}, high<=${HIGH_THRESHOLD})`);
+    return effort;
 }
 
 // 全局工具状态管理器