diff --git a/script/addIndex.groovy b/script/addIndex.groovy
new file mode 100644
index 00000000..9dbe31d3
--- /dev/null
+++ b/script/addIndex.groovy
@@ -0,0 +1,43 @@
+import groovy.io.FileType
+
+
+def camelToSnake(String str) {
+
+    str = str[0].toLowerCase() + str[1..-1]
+    if (str.endsWith("Entity")) {
+        str = str.substring(0, str.length() - 6)
+    }
+
+    return str.replaceAll("([A-Z]+)", "_\$1").toLowerCase()
+}
+
+
+new File("../src/main/java").eachFileRecurse(FileType.FILES) {
+
+    if (it.name.endsWith(".java")) {
+        def content = it.text
+
+
+        if (content.contains("extends OrgCommonEntity")) {
+
+            if (content.contains("@Table")) {
+
+                println("文件名: ${it.name} 包含table注解, 跳过")
+            } else {
+
+
+                def lines = it.readLines()
+
+
+                def lineNo = lines.findIndexOf { it.contains("extends OrgCommonEntity") }
+
+                lines.add(lineNo , """
+@jakarta.persistence.Table(indexes = @jakarta.persistence.Index(name ="idx_${camelToSnake(it.name.substring(0, it.name.indexOf(".java")))}_org_id", columnList = "organization_id"))
+""")
+                it.text = lines.join("\n")
+
+                println("文件名: ${it.name} 添加索引成功")
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/cn/lihongjie/coal/Codegen.java b/src/main/java/cn/lihongjie/coal/Codegen.java
index 0b0ea728..c5125a73 100644
--- a/src/main/java/cn/lihongjie/coal/Codegen.java
+++ b/src/main/java/cn/lihongjie/coal/Codegen.java
@@ -26,6 +26,7 @@ import com.squareup.javapoet.*;
 import jakarta.persistence.CascadeType;
 import jakarta.persistence.Entity;
 import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
 
 import lombok.Data;
 import lombok.SneakyThrows;
@@ -126,6 +127,20 @@ public class Codegen {
                         .addAnnotation(Entity.class)
                         .build();
 
+        if (orgMode){
+            entity =
+                    entity.toBuilder()
+                            .addAnnotation(
+                                    AnnotationSpec.builder(Table.class)
+                                            .addMember(
+                                                    "indexes",
+                                                    "@jakarta.persistence.Index(name =\"idx_"
+                                                            + lModuleName
+                                                            + "_org_id\", columnList = \"organization_id\")")
+                                            .build())
+                            .build();
+        }
+
         if (archive) {
             entity =
                     entity.toBuilder()