diff --git a/src/utils/enum.js b/src/utils/enum.js
index 91e511ac..c6b6f4b7 100644
--- a/src/utils/enum.js
+++ b/src/utils/enum.js
@@ -140,4 +140,5 @@ export const enpfieldEnum = new EnumFactory({
   'nox_rtd': '氮氧化物实测(mg/m3)',
   'nox_zs': '氮氧化物折算(mg/m3)',
   'o2': '含氧量(%)',
+  'ammonia_e': '氨逃逸(mg/m3)'
 })
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