diff --git a/application/src/main/java/run/halo/app/core/extension/theme/ThemeUtils.java b/application/src/main/java/run/halo/app/core/extension/theme/ThemeUtils.java
index 6aa86a332..987dc6f4d 100644
--- a/application/src/main/java/run/halo/app/core/extension/theme/ThemeUtils.java
+++ b/application/src/main/java/run/halo/app/core/extension/theme/ThemeUtils.java
@@ -149,8 +149,8 @@ class ThemeUtils {
             new YamlUnstructuredLoader(new FileSystemResource(themeManifestPath))
                 .load();
         if (CollectionUtils.isEmpty(unstructureds)) {
-            throw new IllegalArgumentException(
-                "The [theme.yaml] does not conform to the theme specification.");
+            throw new ThemeInstallationException("Missing theme manifest",
+                "problemDetail.theme.install.missingManifest", null);
         }
         return unstructureds.get(0);
     }
diff --git a/application/src/main/resources/config/i18n/messages.properties b/application/src/main/resources/config/i18n/messages.properties
index 5571afb25..c79daaeb4 100644
--- a/application/src/main/resources/config/i18n/messages.properties
+++ b/application/src/main/resources/config/i18n/messages.properties
@@ -39,7 +39,7 @@ problemDetail.comment.turnedOff=The comment function has been turned off.
 problemDetail.comment.systemUsersOnly=Allow only system users to comment
 problemDetail.theme.upgrade.missingManifest=Missing theme manifest file "theme.yaml" or "theme.yml".
 problemDetail.theme.upgrade.nameMismatch=The current theme name {0} did not match the installed theme name.
-problemDetail.theme.install.missingManifest=Missing theme manifest file "theme.yaml" or "theme.yml".
+problemDetail.theme.install.missingManifest=Missing theme manifest file "theme.yaml" or manifest file does not conform to the theme specification.
 problemDetail.theme.install.alreadyExists=Theme {0} already exists.
 problemDetail.theme.version.unsatisfied.requires=The theme requires a minimum system version of {0}, but the current version is {1}.
 problemDetail.directoryTraversal=Directory traversal detected. Base path is {0}, but real path is {1}.
diff --git a/application/src/main/resources/config/i18n/messages_zh.properties b/application/src/main/resources/config/i18n/messages_zh.properties
index b98f51246..636502628 100644
--- a/application/src/main/resources/config/i18n/messages_zh.properties
+++ b/application/src/main/resources/config/i18n/messages_zh.properties
@@ -4,6 +4,7 @@ problemDetail.title.run.halo.app.infra.exception.PluginInstallationException=插
 problemDetail.title.run.halo.app.infra.exception.AttachmentAlreadyExistsException=附件已存在
 problemDetail.title.run.halo.app.infra.exception.DuplicateNameException=名称重复
 problemDetail.title.run.halo.app.infra.exception.PluginAlreadyExistsException=插件已存在
+problemDetail.title.run.halo.app.infra.exception.ThemeInstallationException=主题安装失败
 
 problemDetail.run.halo.app.infra.exception.AttachmentAlreadyExistsException=文件 {0} 已存在，建议更名后重试。
 problemDetail.run.halo.app.infra.exception.DuplicateNameException=检测到有重复的名称，请重命名后重试。
@@ -14,4 +15,5 @@ problemDetail.user.duplicateName=用户名 {0} 已存在，请更换用户名后
 
 problemDetail.plugin.version.unsatisfied.requires=插件要求一个最小的系统版本为 {0}, 但当前版本为 {1}。
 
-problemDetail.theme.version.unsatisfied.requires=主题要求一个最小的系统版本为 {0}, 但当前版本为 {1}。
\ No newline at end of file
+problemDetail.theme.version.unsatisfied.requires=主题要求一个最小的系统版本为 {0}, 但当前版本为 {1}。
+problemDetail.theme.install.missingManifest=缺少 theme.yaml 配置文件或配置文件不符合规范。
\ No newline at end of file