diff --git a/src/UI/Components/Template/TemplateParamList.tsx b/src/UI/Components/Template/TemplateParamList.tsx
index cc28f7e32..6dcc8a5e7 100644
--- a/src/UI/Components/Template/TemplateParamList.tsx
+++ b/src/UI/Components/Template/TemplateParamList.tsx
@@ -249,7 +249,7 @@ export default class TemplateParamList extends React.Component<ITemplateParamLis
             let dist = distRes.Distance;
             const store = this.props.store;
             store.params[store.currentParamIndex].value = dist.toFixed(2);
-            store.Template.Params[store.currentParamIndex].value = dist.toFixed(2);
+            store.Template.Params[store.currentParamIndex].value = parseFloat(dist.toFixed(2));
             await store.Template.UpdateTemplateTree();
         }
     };
diff --git a/src/UI/Store/TemplateEditorStore.ts b/src/UI/Store/TemplateEditorStore.ts
index 65e108194..167ebb257 100644
--- a/src/UI/Store/TemplateEditorStore.ts
+++ b/src/UI/Store/TemplateEditorStore.ts
@@ -1,5 +1,6 @@
 import { ITreeNode } from "@blueprintjs/core";
 import { observable, toJS } from "mobx";
+import { safeEval } from "../../Common/eval";
 import { Singleton } from "../../Common/Singleton";
 import { FixedNotZero } from "../../Common/Utils";
 import { TemplateParam } from "../../DatabaseServices/Template/Param/TemplateParam";
@@ -71,10 +72,13 @@ export class TempalteEditorStore extends Singleton implements IConfigStore
                     tempPar.name = par.name;
                     this.Template.Params.push(tempPar);
                 }
-                tempPar.value = par.value;
                 tempPar.expr = par.expr;
                 tempPar.description = par.description;
                 tempPar.type = par.type ?? TemplateParamType.Float;
+                if (tempPar.type === TemplateParamType.Float)
+                    tempPar.value = (typeof par.value === "string" ? safeEval(par.value) : par.value) || 0;
+                else
+                    tempPar.value = par.value;
             }
         }, "修改模板参数");
 
@@ -88,22 +92,4 @@ export class TempalteEditorStore extends Singleton implements IConfigStore
         newConfig.option = toJS(this.params);
         return newConfig;
     }
-
-    async WriteParamsToTemplate()
-    {
-        for (let par of this.params)
-        {
-            let tempPar = this.Template.GetParam(par.name);
-            if (!tempPar)
-            {
-                tempPar = new TemplateParam();
-                this.Template.Params.push(tempPar);
-            }
-            tempPar.value = par.value;
-            tempPar.description = par.description;
-            tempPar.expr = par.expr;
-            tempPar.type = par.type ?? TemplateParamType.Float;
-        }
-        await this.Template.UpdateTemplateTree();
-    }
 }