diff --git a/Dockerfile b/Dockerfile
index 75d03ed..e3a8433 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,12 +18,10 @@ WORKDIR /app
 # Workspace and module manifests for cache
 COPY go.work go.work.sum ./
 COPY backend/ ./backend/
+COPY worker/ ./worker/
 COPY pkg/ ./pkg/
 RUN go env -w GO111MODULE=on && go env -w GOPROXY=https://goproxy.cn,direct && \
-    (cd backend && go mod download) && \
-    (cd pkg/utils && go mod download) && \
-    (cd pkg/models && go mod download) && \
-    (cd pkg/services && go mod download)
+    go mod download
 # Build from workspace root so pkg/utils, pkg/models, pkg/services resolve
 RUN CGO_ENABLED=0 GOOS=linux go build -o backend ./backend
 
diff --git a/worker/Dockerfile b/worker/Dockerfile
index 26fa351..726f498 100644
--- a/worker/Dockerfile
+++ b/worker/Dockerfile
@@ -4,25 +4,14 @@ FROM golang:1.25.5 AS builder
 
 # Set destination for COPY
 WORKDIR /app
-
-# Download Go modules
-COPY go.mod go.sum ./
-
-RUN go env -w GO111MODULE=on && go env -w GOPROXY=https://goproxy.cn,direct && go mod download
-
-# Copy the source code. Note the slash at the end, as explained in
-# https://docs.docker.com/engine/reference/builder/#copy
 COPY go.work go.work.sum ./
+COPY backend/ ./backend/
 COPY worker/ ./worker/
 COPY pkg/ ./pkg/
 RUN go env -w GO111MODULE=on && go env -w GOPROXY=https://goproxy.cn,direct && \
-    (cd worker && go mod download) && \
-    (cd pkg/utils && go mod download) && \
-    (cd pkg/models && go mod download) && \
-    (cd pkg/services && go mod download)
-
+    go mod download
 # Build
-RUN CGO_ENABLED=0 GOOS=linux go build -o worker
+RUN CGO_ENABLED=0 GOOS=linux go build -o worker ./worker
 
 FROM alpine:3
 RUN apk add --no-cache pngquant jpegoptim