diff --git a/backend/services/auth-service/Dockerfile b/backend/services/auth-service/Dockerfile
index cfcd0450..cc42c315 100644
--- a/backend/services/auth-service/Dockerfile
+++ b/backend/services/auth-service/Dockerfile
@@ -37,12 +37,7 @@ RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
 
 COPY --chown=nestjs:nodejs --from=builder /app/dist ./dist
 
-RUN echo '#!/bin/sh\n\
-set -e\n\
-echo "Running database migrations..."\n\
-npx prisma migrate deploy\n\
-echo "Starting application..."\n\
-exec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
+RUN printf '#!/bin/sh\nset -e\necho "Running database migrations..."\nnpx prisma migrate deploy\necho "Starting application..."\nexec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
 
 ENV NODE_ENV=production
 ENV TZ=Asia/Shanghai
diff --git a/backend/services/contribution-service/Dockerfile b/backend/services/contribution-service/Dockerfile
index a1a3a770..b76ab033 100644
--- a/backend/services/contribution-service/Dockerfile
+++ b/backend/services/contribution-service/Dockerfile
@@ -37,12 +37,7 @@ RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
 
 COPY --chown=nestjs:nodejs --from=builder /app/dist ./dist
 
-RUN echo '#!/bin/sh\n\
-set -e\n\
-echo "Running database migrations..."\n\
-npx prisma migrate deploy\n\
-echo "Starting application..."\n\
-exec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
+RUN printf '#!/bin/sh\nset -e\necho "Running database migrations..."\nnpx prisma migrate deploy\necho "Starting application..."\nexec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
 
 ENV NODE_ENV=production
 ENV TZ=Asia/Shanghai
diff --git a/backend/services/mining-admin-service/Dockerfile b/backend/services/mining-admin-service/Dockerfile
index 6fda60ea..d9d3efc3 100644
--- a/backend/services/mining-admin-service/Dockerfile
+++ b/backend/services/mining-admin-service/Dockerfile
@@ -54,12 +54,7 @@ RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
 COPY --chown=nestjs:nodejs --from=builder /app/dist ./dist
 
 # 创建启动脚本
-RUN echo '#!/bin/sh\n\
-set -e\n\
-echo "Running database migrations..."\n\
-npx prisma migrate deploy\n\
-echo "Starting application..."\n\
-exec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
+RUN printf '#!/bin/sh\nset -e\necho "Running database migrations..."\nnpx prisma migrate deploy\necho "Starting application..."\nexec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
 
 ENV NODE_ENV=production
 ENV TZ=Asia/Shanghai
diff --git a/backend/services/mining-service/Dockerfile b/backend/services/mining-service/Dockerfile
index 465c72e2..9e1f1e0c 100644
--- a/backend/services/mining-service/Dockerfile
+++ b/backend/services/mining-service/Dockerfile
@@ -37,12 +37,7 @@ RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
 
 COPY --chown=nestjs:nodejs --from=builder /app/dist ./dist
 
-RUN echo '#!/bin/sh\n\
-set -e\n\
-echo "Running database migrations..."\n\
-npx prisma migrate deploy\n\
-echo "Starting application..."\n\
-exec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
+RUN printf '#!/bin/sh\nset -e\necho "Running database migrations..."\nnpx prisma migrate deploy\necho "Starting application..."\nexec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
 
 ENV NODE_ENV=production
 ENV TZ=Asia/Shanghai
diff --git a/backend/services/mining-wallet-service/Dockerfile b/backend/services/mining-wallet-service/Dockerfile
index 53dc66ab..a5b27c5d 100644
--- a/backend/services/mining-wallet-service/Dockerfile
+++ b/backend/services/mining-wallet-service/Dockerfile
@@ -37,12 +37,7 @@ RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
 
 COPY --chown=nestjs:nodejs --from=builder /app/dist ./dist
 
-RUN echo '#!/bin/sh\n\
-set -e\n\
-echo "Running database migrations..."\n\
-npx prisma migrate deploy\n\
-echo "Starting application..."\n\
-exec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
+RUN printf '#!/bin/sh\nset -e\necho "Running database migrations..."\nnpx prisma migrate deploy\necho "Starting application..."\nexec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
 
 ENV NODE_ENV=production
 ENV TZ=Asia/Shanghai
diff --git a/backend/services/trading-service/Dockerfile b/backend/services/trading-service/Dockerfile
index 88ea9306..71ba9e6d 100644
--- a/backend/services/trading-service/Dockerfile
+++ b/backend/services/trading-service/Dockerfile
@@ -37,12 +37,7 @@ RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
 
 COPY --chown=nestjs:nodejs --from=builder /app/dist ./dist
 
-RUN echo '#!/bin/sh\n\
-set -e\n\
-echo "Running database migrations..."\n\
-npx prisma migrate deploy\n\
-echo "Starting application..."\n\
-exec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
+RUN printf '#!/bin/sh\nset -e\necho "Running database migrations..."\nnpx prisma migrate deploy\necho "Starting application..."\nexec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh
 
 ENV NODE_ENV=production
 ENV TZ=Asia/Shanghai