diff --git a/config/sub_agent.py b/config/sub_agent.py
index 7eeecdc..4854912 100644
--- a/config/sub_agent.py
+++ b/config/sub_agent.py
@@ -1,8 +1,15 @@
 """子智能体相关配置。"""
 
 import os
+from pathlib import Path
 
-from .paths import _resolve_repo_path, DATA_DIR, DEFAULT_PROJECT_PATH
+from .paths import (
+    _resolve_repo_path,
+    _REPO_ROOT,
+    DATA_DIR,
+    DEFAULT_PROJECT_PATH,
+    resolve_deploy_config,
+)
 
 # 子智能体服务
 SUB_AGENT_SERVICE_BASE_URL = os.environ.get("SUB_AGENT_SERVICE_URL", "http://127.0.0.1:8092")
@@ -17,6 +24,32 @@ SUB_AGENT_STATE_FILE = _resolve_repo_path(os.environ.get("SUB_AGENT_STATE_FILE",
 SUB_AGENT_PROJECT_RESULTS_DIR = _resolve_repo_path(os.environ.get("SUB_AGENT_PROJECT_RESULTS_DIR", ""), f"{DEFAULT_PROJECT_PATH}/sub_agent_results")
 SUB_AGENT_MAX_ACTIVE = int(os.environ.get("SUB_AGENT_MAX_ACTIVE", "5"))
 
+
+def resolve_sub_agent_models_config() -> str:
+    """解析子智能体模型配置文件路径，回退链（高→低）：
+
+    1. ``~/.agents/<mode>/config/sub_agent_models.json``（部署者真实配置）
+    2. 源码树 ``config/sub_agent_models.json``（仓库内种子）
+    3. 源码树 ``easyagent/models.json``（旧版 easyagent 配置位置）
+    4. 源码树 ``config/sub_agent_models.json.example``（示例兜底）
+
+    都不存在时返回部署目录下的目标路径，由调用方处理不存在。
+    """
+    # 先走标准回退链：部署 → config/种子 → config/.example
+    standard = resolve_deploy_config("sub_agent_models.json")
+    standard_path = Path(standard)
+    if standard_path.exists():
+        return str(standard_path)
+    # 最后回退到旧 easyagent/models.json
+    legacy = _REPO_ROOT / "easyagent" / "models.json"
+    if legacy.exists():
+        return str(legacy)
+    return standard  # 返回部署目录路径，由调用方处理不存在
+
+
+# 子智能体模型配置文件（可通过环境变量覆盖，否则走回退链解析）
+SUB_AGENT_MODELS_CONFIG_FILE = os.environ.get("SUB_AGENT_MODELS_CONFIG_FILE", "") or resolve_sub_agent_models_config()
+
 __all__ = [
     "SUB_AGENT_SERVICE_BASE_URL",
     "SUB_AGENT_DEFAULT_TIMEOUT",
@@ -25,4 +58,6 @@ __all__ = [
     "SUB_AGENT_PROJECT_RESULTS_DIR",
     "SUB_AGENT_STATE_FILE",
     "SUB_AGENT_MAX_ACTIVE",
+    "SUB_AGENT_MODELS_CONFIG_FILE",
+    "resolve_sub_agent_models_config",
 ]
diff --git a/config/sub_agent_models.json.example b/config/sub_agent_models.json.example
new file mode 100644
index 0000000..b5afd5e
--- /dev/null
+++ b/config/sub_agent_models.json.example
@@ -0,0 +1,15 @@
+{
+  "tavily_api_key": "",
+  "default_model": "",
+  "models": [
+    {
+      "url": "https://api.example.com/v1",
+      "name": "example-model",
+      "apikey": "${YOUR_API_KEY_ENV}",
+      "modes": "快速,思考",
+      "multimodal": "",
+      "max_output": 32000,
+      "max_context": 256000
+    }
+  ]
+}
diff --git a/easyagent/models.json b/easyagent/models.json
index a26599c..605e82e 100644
--- a/easyagent/models.json
+++ b/easyagent/models.json
@@ -1,6 +1,6 @@
 {
   "tavily_api_key": "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",
-  "default_model": "kimi-k2.5",
+  "default_model": "deepseek-v4-flash",
   "models": [
     {
       "url": "https://coding.dashscope.aliyuncs.com/v1",
@@ -12,11 +12,11 @@
       "max_context": 256000
     },
     {
-      "url": "https://dashscope.aliyuncs.com/compatible-mode/v1",
-      "name": "qwen3.5-plus",
-      "apikey": "sk-64af1343e67d46d7a902ef5bcf6817ad",
+      "url": "https://opencode.ai/zen/go/v1",
+      "name": "deepseek-v4-flash",
+      "apikey": "sk-j0NdTvEDoqqkKCHEAFXXYneEsuXEiOXNCgLeZARJmfYUBf2Riym7KPFWq1amkB6z",
       "modes": "快速,思考",
-      "multimodal": "图片",
+      "multimodal": "",
       "max_output": 32768,
       "max_context": 256000
     },
diff --git a/easyagent/src/batch/index.js b/easyagent/src/batch/index.js
index 388a09c..f44373d 100644
--- a/easyagent/src/batch/index.js
+++ b/easyagent/src/batch/index.js
@@ -26,6 +26,7 @@ function parseArgs() {
     agentId: null,
     modelKey: null,
     thinkingMode: null,
+    configFile: null,
     timeout: 600,
   };
 
@@ -51,6 +52,8 @@ function parseArgs() {
       config.thinkingMode = String(args[++i] || '').trim().toLowerCase();
     } else if (arg === '--timeout' && i + 1 < args.length) {
       config.timeout = parseInt(args[++i], 10);
+    } else if (arg === '--config-file' && i + 1 < args.length) {
+      config.configFile = args[++i];
     }
   }
 
@@ -113,7 +116,7 @@ async function main() {
 
   // 加载模型配置
   const modelConfig = require('../config');
-  const ensuredConfig = modelConfig.ensureConfig();
+  const ensuredConfig = modelConfig.ensureConfig(config.configFile);
 
   if (!ensuredConfig.valid_models || ensuredConfig.valid_models.length === 0) {
     writeOutput(config.outputFile, {
diff --git a/easyagent/src/config.js b/easyagent/src/config.js
index 78538b9..22e704e 100644
--- a/easyagent/src/config.js
+++ b/easyagent/src/config.js
@@ -98,14 +98,18 @@ function buildConfig(raw, filePath) {
   };
 }
 
-function ensureConfig() {
-  const file = DEFAULT_CONFIG_PATH;
+function ensureConfig(customPath) {
+  const file = customPath || DEFAULT_CONFIG_PATH;
   if (!fs.existsSync(file)) {
     const template = {
       tavily_api_key: '',
       default_model: '',
       models: [],
     };
+    const dir = path.dirname(file);
+    if (!fs.existsSync(dir)) {
+      fs.mkdirSync(dir, { recursive: true });
+    }
     fs.writeFileSync(file, JSON.stringify(template, null, 2), 'utf8');
   }
   const content = fs.readFileSync(file, 'utf8');
diff --git a/modules/sub_agent_manager.py b/modules/sub_agent_manager.py
index 76856ff..a5203d3 100644
--- a/modules/sub_agent_manager.py
+++ b/modules/sub_agent_manager.py
@@ -16,6 +16,7 @@ from config import (
     OUTPUT_FORMATS,
     SUB_AGENT_DEFAULT_TIMEOUT,
     SUB_AGENT_MAX_ACTIVE,
+    SUB_AGENT_MODELS_CONFIG_FILE,
     SUB_AGENT_STATE_FILE,
     SUB_AGENT_STATUS_POLL_INTERVAL,
     SUB_AGENT_TASKS_BASE_DIR,
@@ -393,6 +394,7 @@ class SubAgentManager:
             "--progress-file", progress_file,
             "--agent-id", str(agent_id),
             "--timeout", str(timeout_seconds),
+            "--config-file", SUB_AGENT_MODELS_CONFIG_FILE,
         ]
         if model_key:
             cmd.extend(["--model-key", model_key])