diff --git a/server/like-generator/src/main/java/com/mdd/generator/service/impl/GenerateServiceImpl.java b/server/like-generator/src/main/java/com/mdd/generator/service/impl/GenerateServiceImpl.java
index 430c033d..1ac233d9 100644
--- a/server/like-generator/src/main/java/com/mdd/generator/service/impl/GenerateServiceImpl.java
+++ b/server/like-generator/src/main/java/com/mdd/generator/service/impl/GenerateServiceImpl.java
@@ -264,6 +264,7 @@ public class GenerateServiceImpl implements IGenerateService {
         model.setGenType(genParam.getGenType());
         model.setGenPath(genParam.getGenPath());
         model.setSubTableFk(genParam.getSubTableFk());
+        model.setSubTableFr(genParam.getSubTableFr());
         model.setSubTableName(genParam.getSubTableName());
         genTableMapper.updateById(model);
 
diff --git a/server/like-generator/src/main/java/com/mdd/generator/util/GenUtil.java b/server/like-generator/src/main/java/com/mdd/generator/util/GenUtil.java
index 4ab2e288..e2b9d503 100644
--- a/server/like-generator/src/main/java/com/mdd/generator/util/GenUtil.java
+++ b/server/like-generator/src/main/java/com/mdd/generator/util/GenUtil.java
@@ -248,4 +248,17 @@ public class GenUtil {
         }
     }
 
+    /**
+     * 获取表的别名
+     *
+     * @param tableName 表名
+     * @return String
+     */
+    public static String getTableAlias(String tableName) {
+        StringBuilder val = new StringBuilder();
+        for (String name : tableName.split("_")) {
+            val.append(name.charAt(0));
+        }
+        return val.toString();
+    }
 }
diff --git a/server/like-generator/src/main/java/com/mdd/generator/util/VelocityUtil.java b/server/like-generator/src/main/java/com/mdd/generator/util/VelocityUtil.java
index 687a38b7..b155254b 100644
--- a/server/like-generator/src/main/java/com/mdd/generator/util/VelocityUtil.java
+++ b/server/like-generator/src/main/java/com/mdd/generator/util/VelocityUtil.java
@@ -70,6 +70,7 @@ public class VelocityUtil {
 
         // 替换前缀
         table.setSubTableName(table.getSubTableName().replace(GlobalConfig.tablePrefix, ""));
+        System.out.println(GenUtil.getTableAlias(table.getSubTableName()));
 
         // 设置模板变量
         VelocityContext velocityContext = new VelocityContext();
@@ -84,6 +85,7 @@ public class VelocityUtil {
         velocityContext.put("notesType", GenConfig.notesType);
         velocityContext.put("table", table);
         velocityContext.put("columns", columns);
+        velocityContext.put("subTableAlias", GenUtil.getTableAlias(table.getSubTableName()));
         velocityContext.put("dateFields", SqlConstants.COLUMN_TIME_NAME);
         velocityContext.put("primaryKey", primaryKey);
         velocityContext.put("primaryField", primaryField);
diff --git a/server/like-generator/src/main/java/com/mdd/generator/validate/GenParam.java b/server/like-generator/src/main/java/com/mdd/generator/validate/GenParam.java
index c93a803c..6dd0053a 100644
--- a/server/like-generator/src/main/java/com/mdd/generator/validate/GenParam.java
+++ b/server/like-generator/src/main/java/com/mdd/generator/validate/GenParam.java
@@ -88,4 +88,6 @@ public class GenParam implements Serializable {
 
     private String subTableFk = "";
 
+    private String subTableFr = "";
+
 }
diff --git a/server/like-generator/src/main/resources/java/serviceImpl.java.vm b/server/like-generator/src/main/resources/java/serviceImpl.java.vm
index 888d7bdb..fb7fa609 100644
--- a/server/like-generator/src/main/resources/java/serviceImpl.java.vm
+++ b/server/like-generator/src/main/resources/java/serviceImpl.java.vm
@@ -93,7 +93,7 @@ public class ${EntityName}ServiceImpl implements I${EntityName}Service {
         #set($queryWrapper = "mpjQueryWrapper")
         MPJQueryWrapper<${EntityName}> mpjQueryWrapper = new MPJQueryWrapper<>();
         mpjQueryWrapper.selectAll(${EntityName}.class);
-        mpjQueryWrapper.innerJoin("?_$table.subTableName f ON f.$table.SubTableFr=t.$table.SubTableFk".replace("?_", GlobalConfig.tablePrefix));
+        mpjQueryWrapper.innerJoin("?_$table.subTableName $subTableAlias ON $subTableAlias.$table.SubTableFk=t.$table.SubTableFr".replace("?_", GlobalConfig.tablePrefix));
         #if($allFields.contains("is_delete"))
         mpjQueryWrapper.eq("t.is_delete", 0);
         #end