diff --git a/fund-cust/src/main/resources/logback-spring.xml b/fund-cust/src/main/resources/logback-spring.xml
index 475822e..05c9048 100644
--- a/fund-cust/src/main/resources/logback-spring.xml
+++ b/fund-cust/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-cust"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-cust"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-exp/src/main/resources/logback-spring.xml b/fund-exp/src/main/resources/logback-spring.xml
index 375be32..adccffa 100644
--- a/fund-exp/src/main/resources/logback-spring.xml
+++ b/fund-exp/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-exp"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-exp"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-file/src/main/resources/logback-spring.xml b/fund-file/src/main/resources/logback-spring.xml
index c439ff9..5ee087f 100644
--- a/fund-file/src/main/resources/logback-spring.xml
+++ b/fund-file/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-file"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-file"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-gateway/src/main/resources/logback-spring.xml b/fund-gateway/src/main/resources/logback-spring.xml
index 77ef818..acf0b31 100644
--- a/fund-gateway/src/main/resources/logback-spring.xml
+++ b/fund-gateway/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-gateway"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-gateway"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-proj/src/main/resources/logback-spring.xml b/fund-proj/src/main/resources/logback-spring.xml
index a8abb2c..cc6306c 100644
--- a/fund-proj/src/main/resources/logback-spring.xml
+++ b/fund-proj/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-proj"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-proj"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-receipt/src/main/resources/logback-spring.xml b/fund-receipt/src/main/resources/logback-spring.xml
index 76e7288..081b86c 100644
--- a/fund-receipt/src/main/resources/logback-spring.xml
+++ b/fund-receipt/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-receipt"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-receipt"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-report/src/main/resources/logback-spring.xml b/fund-report/src/main/resources/logback-spring.xml
index 4af285e..50711c5 100644
--- a/fund-report/src/main/resources/logback-spring.xml
+++ b/fund-report/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-report"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-report"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-req/src/main/resources/logback-spring.xml b/fund-req/src/main/resources/logback-spring.xml
index abcb6b5..f2d0d13 100644
--- a/fund-req/src/main/resources/logback-spring.xml
+++ b/fund-req/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-req"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-req"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
     
diff --git a/fund-sys/src/main/resources/logback-spring.xml b/fund-sys/src/main/resources/logback-spring.xml
index 1bde0b7..c25d449 100644
--- a/fund-sys/src/main/resources/logback-spring.xml
+++ b/fund-sys/src/main/resources/logback-spring.xml
@@ -2,11 +2,12 @@
 <configuration scan="true" scanPeriod="60 seconds" debug="false">
     
     <!-- 从环境变量/系统属性读取配置 -->
-    <springProperty scope="context" name="APP_NAME" source="spring.application.name" defaultValue="fund-sys"/>
+    <!-- APP_NAME使用INSTANCE_NAME区分多实例 -->
+    <springProperty scope="context" name="APP_NAME" source="app.instance.name" defaultValue="fund-sys"/>
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/datacfs/applogs"/>
     <springProperty scope="context" name="LOG_LEVEL_ROOT" source="logging.level.root" defaultValue="INFO"/>
     <springProperty scope="context" name="LOG_LEVEL_APP" source="logging.level.app" defaultValue="DEBUG"/>
-    
+
     <!-- 日志格式（直接配置，不从参数读取避免shell解析问题） -->
     <property name="LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] [%X{traceId:-}][%X{spanId:-}] %-5level %logger{50} - %msg%n"/>
 
diff --git a/scripts/start.sh b/scripts/start.sh
index c0a8626..59aed62 100755
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -59,8 +59,9 @@ PID_FILE="${APP_HOME}/${INSTANCE_NAME}.pid"
 # JVM参数（可通过环境变量覆盖）
 JAVA_OPTS="${JAVA_OPTS:--Xms256m -Xmx512m -XX:+UseG1GC -XX:MaxGCPauseMillis=200}"
 
-# 日志目录参数（其他日志配置在application.yml/logback-spring.xml中）
+# 日志目录参数（使用INSTANCE_NAME区分实例）
 LOG_OPTS="-Dlogging.file.path=${LOG_HOME}"
+LOG_OPTS="$LOG_OPTS -Dapp.instance.name=${INSTANCE_NAME}"
 
 # 多租户参数
 TENANT_OPTS=""
@@ -77,8 +78,8 @@ if [ -f "$PID_FILE" ]; then
     fi
 fi
 
-# 创建日志目录
-mkdir -p ${LOG_HOME}
+# 创建日志目录（使用INSTANCE_NAME区分实例）
+mkdir -p ${LOG_HOME}/${INSTANCE_NAME}
 
 # 启动服务
 echo "Starting ${INSTANCE_NAME}..."
@@ -94,7 +95,7 @@ if [ -n "${TENANT_ID}" ]; then
 fi
 
 # 启动命令：java -cp lib/*:conf MainClass
-nohup java $JAVA_OPTS $LOG_OPTS $TENANT_OPTS -cp "$CLASSPATH" $MAIN_CLASS > /dev/null 2>&1 &
+nohup java $JAVA_OPTS $LOG_OPTS $TENANT_OPTS -cp "$CLASSPATH" $MAIN_CLASS >${LOG_HOME}/${INSTANCE_NAME}/stdout.log 2>&1 &
 
 # 保存PID
 echo $! > $PID_FILE