diff --git a/Dockerfile b/Dockerfile
index 82ba912..8079e1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,12 +4,11 @@ FROM python:3.12.6
 #
 WORKDIR /app
 
+COPY requirements.txt /app
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
 #
 COPY . /app
 
-
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
-
-
 #
 CMD ["uvicorn", "main:app", "--proxy-headers", "--host", "0.0.0.0", "--port", "80"]
\ No newline at end of file
diff --git a/main.py b/main.py
index 22e47f1..78a35d9 100644
--- a/main.py
+++ b/main.py
@@ -1,15 +1,25 @@
+import asyncio
+import os
+from typing import Optional
+
+import aiohttp  # 用于异步 HTTP 请求
+import easyocr
+import torch
 from fastapi import FastAPI, UploadFile, File, Query
 from fastapi.responses import JSONResponse
-import easyocr
-from typing import Optional
-import asyncio
-import aiohttp  # 用于异步 HTTP 请求
 
 MODEL_DIR = "./models"
+USE_GPU = os.environ.get('USE_GPU', 'false') == 'true'
+NNPACK = os.environ.get('NNPACK', 'false') == 'true'
+torch.backends.nnpack.enabled = NNPACK
+
 app = FastAPI()
 
 # 初始化常用的语言组合 OCR 读取器
-reader_sim = easyocr.Reader(lang_list=['ch_sim', 'en'], model_storage_directory=MODEL_DIR)
+reader_sim = easyocr.Reader(
+    lang_list=['ch_sim', 'en'],
+    model_storage_directory=MODEL_DIR,
+    gpu=USE_GPU)
 
 # 存储 OCR 读取器的缓存字典
 readers = {}
@@ -40,7 +50,8 @@ async def get_reader(lang_1: Optional[str], lang_2: Optional[str]):
             try:
                 # 尝试初始化 OCR 读取器
                 readers[lang_combination] = easyocr.Reader(lang_list=list(lang_combination),
-                                                           model_storage_directory=MODEL_DIR)
+                                                           model_storage_directory=MODEL_DIR,
+                                                           gpu=USE_GPU)
             except ValueError as ve:
                 return None, str(ve)  # 返回错误信息
             except Exception as e:
diff --git a/manifest.yaml b/manifest.yaml
index 409c53a..31125b2 100644
--- a/manifest.yaml
+++ b/manifest.yaml
@@ -33,15 +33,20 @@ spec:
             claimName: easyocr-pvc
       containers:
         - name: easyocr
-          image: leafdev.top/ecosystem/ocr:v0.0.1
+          image: leafdev.top/ecosystem/ocr:v0.0.4
+          env:
+            - name: USE_GPU
+              value: "false"
+            - name: NNPACK
+              value: "false"
           ports:
             - containerPort: 80
               protocol: TCP
               name: http
-          resources:
-            requests:
-              cpu: 1000m
-              memory: 1024Mi
+#          resources:
+#            requests:
+#              cpu: 1000m
+#              memory: 1024Mi
           volumeMounts:
             - mountPath: /app/models
               name: easyocr-models