diff --git a/src/views/PurchasingCenter/MaterialManagement/index.vue b/src/views/PurchasingCenter/MaterialManagement/index.vue
index cb6e050f..8151d4ea 100644
--- a/src/views/PurchasingCenter/MaterialManagement/index.vue
+++ b/src/views/PurchasingCenter/MaterialManagement/index.vue
@@ -311,7 +311,7 @@
           </el-col>
           <el-col :span="12">
             <el-form-item label="常用符号">
-              Φ × ∠ — ○ ⊥
+              Φ × ∠ — ○ ⊥ m² μ δ Ⅰ Ⅱ Ⅲ ∥ ±
             </el-form-item>
           </el-col>
         </el-row>