diff --git a/controllers/admin/app.go b/controllers/admin/app.go
index 8a2ea88..a0d94a7 100644
--- a/controllers/admin/app.go
+++ b/controllers/admin/app.go
@@ -64,7 +64,8 @@ func AppsListHandler(c *gin.Context) {
 
 	// 如果有搜索条件
 	if search != "" {
-		query = query.Where("name LIKE ? OR uuid LIKE ?", "%"+search+"%", "%"+search+"%")
+		// 优化：使用精确匹配提升查询性能
+		query = query.Where("name = ? OR uuid = ?", search, search)
 	}
 
 	// 获取总数
diff --git a/controllers/admin/function.go b/controllers/admin/function.go
index 0285bb2..9691ffc 100644
--- a/controllers/admin/function.go
+++ b/controllers/admin/function.go
@@ -70,10 +70,11 @@ func FunctionListHandler(c *gin.Context) {
 	// 构建基础查询
 	query := db.Model(&models.Function{})
 
-	// 如果指定了搜索关键词，则在编号、别名、代码、备注中进行模糊搜索
+	// 如果指定了搜索关键词，则在编号、别名、代码、备注中进行精确搜索
 	if search != "" {
-		query = query.Where("number LIKE ? OR alias LIKE ? OR code LIKE ? OR remark LIKE ?",
-			"%"+search+"%", "%"+search+"%", "%"+search+"%", "%"+search+"%")
+		// 优化：使用精确匹配提升查询性能
+		query = query.Where("number = ? OR alias = ? OR code = ? OR remark = ?",
+			search, search, search, search)
 	}
 
 	// 如果指定了应用筛选，则按应用UUID筛选
diff --git a/controllers/admin/variable.go b/controllers/admin/variable.go
index 4c59ad7..83187b4 100644
--- a/controllers/admin/variable.go
+++ b/controllers/admin/variable.go
@@ -70,10 +70,11 @@ func VariableListHandler(c *gin.Context) {
 	// 构建基础查询
 	query := db.Model(&models.Variable{})
 
-	// 如果指定了搜索关键词，则在编号、别名、数据、备注中进行模糊搜索
+	// 如果指定了搜索关键词，则在编号、别名、数据、备注中进行精确搜索
 	if search != "" {
-		query = query.Where("number LIKE ? OR alias LIKE ? OR data LIKE ? OR remark LIKE ?",
-			"%"+search+"%", "%"+search+"%", "%"+search+"%", "%"+search+"%")
+		// 优化：使用精确匹配提升查询性能
+		query = query.Where("number = ? OR alias = ? OR data = ? OR remark = ?",
+			search, search, search, search)
 	}
 
 	// 如果指定了应用筛选，则按应用UUID筛选