diff --git a/docker/Emulator_arm b/docker/Emulator_arm
index e3fcead..c81d668 100644
--- a/docker/Emulator_arm
+++ b/docker/Emulator_arm
@@ -34,6 +34,8 @@ WORKDIR /root
 #------------------
 # ffmpeg
 #   Video recorder
+# jq
+#   Sed for JSON data
 #==================
 RUN apt-get -qqy update && apt-get -qqy install --no-install-recommends \
     xterm \
@@ -45,6 +47,7 @@ RUN apt-get -qqy update && apt-get -qqy install --no-install-recommends \
     python-numpy \
     net-tools \
     ffmpeg \
+    jq \
  && rm -rf /var/lib/apt/lists/*
 
 #=======
diff --git a/docker/Emulator_x86 b/docker/Emulator_x86
index 2de1fee..69ed2d5 100644
--- a/docker/Emulator_x86
+++ b/docker/Emulator_x86
@@ -34,6 +34,8 @@ WORKDIR /root
 #------------------
 # ffmpeg
 #   Video recorder
+# jq
+#   Sed for JSON data
 #------------------
 #    KVM Package
 # for emulator x86
@@ -54,6 +56,7 @@ RUN apt-get -qqy update && apt-get -qqy install --no-install-recommends \
     python-numpy \
     net-tools \
     ffmpeg \
+    jq \
     qemu-kvm \
     libvirt-bin \
     ubuntu-vm-builder \
diff --git a/docker/Real_device b/docker/Real_device
index f208f71..daac469 100644
--- a/docker/Real_device
+++ b/docker/Real_device
@@ -34,6 +34,8 @@ WORKDIR /root
 #------------------
 # ffmpeg
 #   Video recorder
+# jq
+#   Sed for JSON data
 #==================
 RUN apt-get -qqy update && apt-get -qqy install --no-install-recommends \
     xterm \
@@ -45,6 +47,7 @@ RUN apt-get -qqy update && apt-get -qqy install --no-install-recommends \
     python-numpy \
     net-tools \
     ffmpeg \
+    jq \
  && rm -rf /var/lib/apt/lists/*
 
 #=======