diff --git a/flutter/engine/compile.sh b/flutter/engine/compile.sh
index 7e721128b631a3fba48bc947086339f30ff96ab6..69c4bf616a770bb85247906b35eeaef25cd56937 100644
--- a/flutter/engine/compile.sh
+++ b/flutter/engine/compile.sh
@@ -19,6 +19,7 @@ function start_compile() {
     export PATH="$DIR/depot_tools:$PATH"
     export TOOL_HOME=$DIR/command-line-tools
     export DEVECO_SDK_HOME=$TOOL_HOME/sdk
+    export HOS_SDK_HOME=$TOOL_HOME/sdk
     export NODE_HOME=$DIR/flutter_env/node-v16.14.2-linux-x64
     export PATH=$TOOL_HOME/ohpm/bin:$TOOL_HOME/hvigor/bin:$NODE_HOME/bin:$PATH