fix(scf): clear all environment variables

Author: yugasun

src/modules/scf/index.js

@@ -163,14 +163,23 @@ class Scf {
     delete functionInputs.Handler;
     delete functionInputs.Code;
     delete functionInputs.CodeSource;
+    // +++++++++++++++++++++++
+    // Below are very strange logical for layer unbind, but backend api need me to do this.
     // handle unbind one layer
-    // this is a very strange logical for layer unbind, but backend api need me to do this.
     if (functionInputs.Layers && functionInputs.Layers.length === 0) {
       functionInputs.Layers.push({
         LayerName: '',
         LayerVersion: 0,
       });
     }
+    // handler empty environment variables
+    if (
+      !functionInputs.Environment ||
+      !functionInputs.Environment.Variables ||
+      functionInputs.Environment.Variables.length === 0
+    ) {
+      functionInputs.Environment = { Variables: [{ Key: '', Value: '' }] };
+    }
     await this.request(functionInputs);
     return true;
   }