diff --git a/deploy/docker-compose.dev.yml b/deploy/docker-compose.dev.yml
index 43f5dd3f60..08e88a64c9 100644
--- a/deploy/docker-compose.dev.yml
+++ b/deploy/docker-compose.dev.yml
@@ -114,12 +114,16 @@ services:
     restart: unless-stopped
     volumes:
       - ./redis_data:/data:Z
+    # The command is one quoted script for the inner `sh -c`. Compose keeps
+    # the newlines inside the quoted string, so every line needs a trailing
+    # `\` — without it, `redis-server` on the first line runs with no flags
+    # at all, and the --save/--appendonly/--appendfsync lines are never read.
     command: >
         sh -c '
-          redis-server
-          --save 60 1
-          --appendonly yes
-          --appendfsync everysec
+          redis-server \
+          --save 60 1 \
+          --appendonly yes \
+          --appendfsync everysec \
           ${REDIS_PASSWORD:+--requirepass "$REDIS_PASSWORD"}'
     environment:
       - TZ=${TZ:-Asia/Shanghai}
diff --git a/deploy/docker-compose.local.yml b/deploy/docker-compose.local.yml
index 5fb161603b..181cb07203 100644
--- a/deploy/docker-compose.local.yml
+++ b/deploy/docker-compose.local.yml
@@ -230,12 +230,16 @@ services:
     volumes:
       # Local directory mapping for easy migration
       - ./redis_data:/data:Z
+    # The command is one quoted script for the inner `sh -c`. Compose keeps
+    # the newlines inside the quoted string, so every line needs a trailing
+    # `\` — without it, `redis-server` on the first line runs with no flags
+    # at all, and the --save/--appendonly/--appendfsync lines are never read.
     command: >
         sh -c '
-          redis-server
-          --save 60 1
-          --appendonly yes
-          --appendfsync everysec
+          redis-server \
+          --save 60 1 \
+          --appendonly yes \
+          --appendfsync everysec \
           ${REDIS_PASSWORD:+--requirepass "$REDIS_PASSWORD"}'
     environment:
       - TZ=${TZ:-Asia/Shanghai}