fix jvm

standalone/src/assembly/resources/conf/iotdb-env.sh

diff --git a/standalone/src/assembly/resources/conf/iotdb-env.sh b/standalone/src/assembly/resources/conf/iotdb-env.sh
index 4ae4935..99c6c14 100644
--- a/standalone/src/assembly/resources/conf/iotdb-env.sh
+++ b/standalone/src/assembly/resources/conf/iotdb-env.sh
@@ -238,10 +238,10 @@
 JMX_LOCAL="true"
 
 IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -Diotdb.jmx.local=$JMX_LOCAL"
-IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -Xms${HEAP_NEWSIZE}"
-IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -Xmx${MAX_HEAP_SIZE}"
-IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:MaxDirectMemorySize=${MAX_DIRECT_MEMORY_SIZE}"
-IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -Djdk.nio.maxCachedBufferSize=${MAX_CACHED_BUFFER_SIZE}"
+IOTDB_JVM_OPTS="$IOTDB_JVM_OPTS -Xms${HEAP_NEWSIZE}"
+IOTDB_JVM_OPTS="$IOTDB_JVM_OPTS -Xmx${MAX_HEAP_SIZE}"
+IOTDB_JVM_OPTS="$IOTDB_JVM_OPTS -XX:MaxDirectMemorySize=${MAX_DIRECT_MEMORY_SIZE}"
+IOTDB_JVM_OPTS="$IOTDB_JVM_OPTS -Djdk.nio.maxCachedBufferSize=${MAX_CACHED_BUFFER_SIZE}"
 
 echo "Maximum memory allocation pool = ${MAX_HEAP_SIZE}B, initial memory allocation pool = ${HEAP_NEWSIZE}B"
 echo "If you want to change this configuration, please check conf/iotdb-env.sh(Unix or OS X, if you use Windows, check conf/iotdb-env.bat)."