diff --git a/assembly/assembly.xml b/assembly/assembly.xml
index e80a788..45f13a7 100644
--- a/assembly/assembly.xml
+++ b/assembly/assembly.xml
@@ -48,7 +48,7 @@
         </fileSet>
     </fileSets>
     
-    <!-- 主JAR文件放到根目录（Spring Boot fat jar已包含所有依赖） -->
+    <!-- 主JAR文件放到根目录（只包含服务代码，不包含资源和依赖） -->
     <files>
         <file>
             <source>${project.build.directory}/${project.artifactId}.jar</source>
@@ -57,4 +57,14 @@
             <fileMode>0644</fileMode>
         </file>
     </files>
+    
+    <!-- lib目录 - 所有依赖JAR（不包含项目自身） -->
+    <dependencySets>
+        <dependencySet>
+            <outputDirectory>lib</outputDirectory>
+            <useProjectArtifact>false</useProjectArtifact>
+            <scope>runtime</scope>
+            <fileMode>0644</fileMode>
+        </dependencySet>
+    </dependencySets>
 </assembly>
diff --git a/fund-cust/pom.xml b/fund-cust/pom.xml
index ee427fa..b0542a4 100644
--- a/fund-cust/pom.xml
+++ b/fund-cust/pom.xml
@@ -70,14 +70,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-cust/src/main/resources/service.properties b/fund-cust/src/main/resources/service.properties
index c3c904f..4f09df8 100644
--- a/fund-cust/src/main/resources/service.properties
+++ b/fund-cust/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-cust
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.cust.CustApplication
+
 # 实例名称（多租户场景使用，留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-exp/pom.xml b/fund-exp/pom.xml
index 2fc42d7..6d25d7e 100644
--- a/fund-exp/pom.xml
+++ b/fund-exp/pom.xml
@@ -62,14 +62,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-exp/src/main/resources/service.properties b/fund-exp/src/main/resources/service.properties
index 85e3001..9faef95 100644
--- a/fund-exp/src/main/resources/service.properties
+++ b/fund-exp/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-exp
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.exp.ExpApplication
+
 # 实例名称（多租户场景使用，留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-file/pom.xml b/fund-file/pom.xml
index b39feb6..c8bd335 100644
--- a/fund-file/pom.xml
+++ b/fund-file/pom.xml
@@ -68,14 +68,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-file/src/main/resources/service.properties b/fund-file/src/main/resources/service.properties
index fd270e7..c1758f3 100644
--- a/fund-file/src/main/resources/service.properties
+++ b/fund-file/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-file
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.file.FileApplication
+
 # 实例名称（留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-gateway/pom.xml b/fund-gateway/pom.xml
index bd04243..b4f92ac 100644
--- a/fund-gateway/pom.xml
+++ b/fund-gateway/pom.xml
@@ -73,14 +73,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-gateway/src/main/resources/service.properties b/fund-gateway/src/main/resources/service.properties
index 4d220af..74c75f3 100644
--- a/fund-gateway/src/main/resources/service.properties
+++ b/fund-gateway/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-gateway
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.gateway.GatewayApplication
+
 # 实例名称（多租户场景使用，留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-proj/pom.xml b/fund-proj/pom.xml
index edd6463..0208686 100644
--- a/fund-proj/pom.xml
+++ b/fund-proj/pom.xml
@@ -62,14 +62,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-proj/src/main/resources/service.properties b/fund-proj/src/main/resources/service.properties
index cdfe502..57b4fbe 100644
--- a/fund-proj/src/main/resources/service.properties
+++ b/fund-proj/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-proj
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.proj.ProjApplication
+
 # 实例名称（多租户场景使用，留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-receipt/pom.xml b/fund-receipt/pom.xml
index bc487c8..70ff5ea 100644
--- a/fund-receipt/pom.xml
+++ b/fund-receipt/pom.xml
@@ -62,14 +62,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-receipt/src/main/resources/service.properties b/fund-receipt/src/main/resources/service.properties
index 55ff338..b3d2097 100644
--- a/fund-receipt/src/main/resources/service.properties
+++ b/fund-receipt/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-receipt
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.receipt.ReceiptApplication
+
 # 实例名称（多租户场景使用，留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-report/pom.xml b/fund-report/pom.xml
index 2d2d3b5..dd1ca3b 100644
--- a/fund-report/pom.xml
+++ b/fund-report/pom.xml
@@ -67,14 +67,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-report/src/main/resources/service.properties b/fund-report/src/main/resources/service.properties
index f935ca4..504b79c 100644
--- a/fund-report/src/main/resources/service.properties
+++ b/fund-report/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-report
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.report.ReportApplication
+
 # 实例名称（留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-req/pom.xml b/fund-req/pom.xml
index aff67cf..ae4c28f 100644
--- a/fund-req/pom.xml
+++ b/fund-req/pom.xml
@@ -62,14 +62,7 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-                    <!-- Maven Assembly Plugin - 打包为tar.gz -->
+            <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
diff --git a/fund-req/src/main/resources/service.properties b/fund-req/src/main/resources/service.properties
index f7192bf..24fb13c 100644
--- a/fund-req/src/main/resources/service.properties
+++ b/fund-req/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称
 APP_NAME=fund-req
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.req.ReqApplication
+
 # 实例名称（多租户场景使用，留空则默认等于APP_NAME）
 INSTANCE_NAME=
 
diff --git a/fund-sys/pom.xml b/fund-sys/pom.xml
index fe0560b..02b8e39 100644
--- a/fund-sys/pom.xml
+++ b/fund-sys/pom.xml
@@ -109,15 +109,6 @@
 
     <build>
         <plugins>
-            <!-- Spring Boot Maven Plugin -->
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-                <configuration>
-                    <finalName>${project.artifactId}</finalName>
-                </configuration>
-            </plugin>
-            
             <!-- Maven Assembly Plugin - 打包为tar.gz -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
diff --git a/fund-sys/src/main/resources/service.properties b/fund-sys/src/main/resources/service.properties
index 1f1fb11..1cfef70 100644
--- a/fund-sys/src/main/resources/service.properties
+++ b/fund-sys/src/main/resources/service.properties
@@ -6,6 +6,9 @@
 # 服务名称（对应JAR文件名，用于Nacos服务注册）
 APP_NAME=fund-sys
 
+# 主类（启动入口）
+MAIN_CLASS=com.fundplatform.sys.SysApplication
+
 # 实例名称（多租户场景使用，留空则默认等于APP_NAME）
 # 多租户示例：fund-sys-shared, fund-sys-vip001
 INSTANCE_NAME=
diff --git a/pom.xml b/pom.xml
index 4f11f21..3b5d4f8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -103,4 +103,44 @@
         </pluginRepository>
     </pluginRepositories>
 
+    <!-- 公共构建配置 - 所有服务模块继承 -->
+    <build>
+        <!-- 输出文件名不带版本号 -->
+        <finalName>${project.artifactId}</finalName>
+        <plugins>
+            <!-- Maven JAR Plugin - 打包普通JAR（排除资源文件） -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.3.0</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <classpathPrefix>lib/</classpathPrefix>
+                        </manifest>
+                    </archive>
+                    <!-- 排除资源文件，资源文件通过assembly打包到conf目录 -->
+                    <excludes>
+                        <exclude>**/*.yml</exclude>
+                        <exclude>**/*.yaml</exclude>
+                        <exclude>**/*.properties</exclude>
+                        <exclude>**/*.xml</exclude>
+                        <exclude>**/*.json</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+            
+            <!-- Spring Boot Maven Plugin - 禁用repackage，生成普通JAR -->
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <finalName>${project.artifactId}</finalName>
+                    <!-- 禁用repackage，不生成fat jar -->
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>
diff --git a/scripts/start.sh b/scripts/start.sh
index 776f8f3..71414e2 100755
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -36,29 +36,36 @@ if [[ -z "${INSTANCE_NAME}" ]] || [[ "${INSTANCE_NAME}" == '\${APP_NAME}' ]]; th
 fi
 TENANT_ID=${TENANT_ID:-""}
 
-# 4. JAR文件路径（优先查找根目录的主JAR，再查找lib目录）
-# Spring Boot fat jar已包含所有依赖，主JAR在根目录
+# 4. 主JAR文件路径
 JAR_FILE="${APP_HOME}/${APP_NAME}.jar"
 if [ ! -f "$JAR_FILE" ]; then
-    # fallback: 查找lib目录（兼容旧版打包结构）
-    JAR_FILE=$(ls ${APP_HOME}/lib/${APP_NAME}*.jar 2>/dev/null | head -1)
-fi
-if [ ! -f "$JAR_FILE" ]; then
-    # 最后尝试: lib目录任意jar（向后兼容）
-    JAR_FILE=$(ls ${APP_HOME}/lib/*.jar 2>/dev/null | head -1)
-fi
-if [ -z "$JAR_FILE" ] || [ ! -f "$JAR_FILE" ]; then
-    echo "Error: No JAR file found for ${APP_NAME}"
-    echo "  Searched: ${APP_HOME}/${APP_NAME}.jar"
-    echo "  Searched: ${APP_HOME}/lib/${APP_NAME}*.jar"
-    echo "  Searched: ${APP_HOME}/lib/*.jar"
+    echo "Error: No JAR file found: ${JAR_FILE}"
     exit 1
 fi
 
-# 5. 日志目录（使用INSTANCE_NAME区分不同实例）
+# 5. 主类（从service.properties读取，或使用默认值）
+MAIN_CLASS=${MAIN_CLASS:-""}
+if [ -z "$MAIN_CLASS" ]; then
+    echo "Error: MAIN_CLASS not configured in service.properties"
+    exit 1
+fi
+
+# 6. 构建ClassPath（lib目录所有jar + 主jar）
+# 检查lib目录是否存在
+if [ -d "${APP_HOME}/lib" ]; then
+    # 构建classpath: lib/* + 主JAR
+    CLASSPATH="${APP_HOME}/lib/*:${JAR_FILE}"
+    LAUNCH_MODE="classpath"
+else
+    # fallback: fat jar模式（向后兼容）
+    CLASSPATH="${JAR_FILE}"
+    LAUNCH_MODE="fatjar"
+fi
+
+# 7. 日志目录（使用INSTANCE_NAME区分不同实例）
 LOG_HOME="/datacfs/applogs/${INSTANCE_NAME}"
 
-# 6. PID文件路径
+# 8. PID文件路径
 PID_FILE="${APP_HOME}/${INSTANCE_NAME}.pid"
 
 # JVM参数（可通过环境变量覆盖）
@@ -98,13 +105,22 @@ echo "  APP_NAME: ${APP_NAME}"
 echo "  INSTANCE_NAME: ${INSTANCE_NAME}"
 echo "  APP_HOME: ${APP_HOME}"
 echo "  JAR_FILE: ${JAR_FILE}"
+echo "  MAIN_CLASS: ${MAIN_CLASS}"
+echo "  LAUNCH_MODE: ${LAUNCH_MODE}"
 echo "  LOG_HOME: ${LOG_HOME}"
 echo "  JAVA_OPTS: ${JAVA_OPTS}"
 if [ -n "${TENANT_ID}" ]; then
     echo "  TENANT_ID: ${TENANT_ID}"
 fi
 
-nohup java $JAVA_OPTS $LOG_OPTS $TENANT_OPTS -jar $JAR_FILE $CONFIG_OPTS > /dev/null 2>&1 &
+# 根据启动模式选择启动方式
+if [ "$LAUNCH_MODE" == "classpath" ]; then
+    # ClassPath模式：java -cp lib/*:app.jar MainClass
+    nohup java $JAVA_OPTS $LOG_OPTS $TENANT_OPTS -cp "$CLASSPATH" $MAIN_CLASS $CONFIG_OPTS > /dev/null 2>&1 &
+else
+    # FatJar模式：java -jar app.jar（向后兼容）
+    nohup java $JAVA_OPTS $LOG_OPTS $TENANT_OPTS -jar $JAR_FILE $CONFIG_OPTS > /dev/null 2>&1 &
+fi
 
 # 保存PID
 echo $! > $PID_FILE