block里面文字无法保存的问题的解释

Your update functions were mutating the existing objects instead of creating new ones:

javascript// ❌ Before (broken - mutates existing objects)const updateStat = (index, field, value) => {    const newStats = [...stats];        // Shallow copy - objects are same references!    newStats[index][field] = value;     // Mutating the original object    setAttributes({ stats: newStats });};

When you spread an array with 

[...stats]

, it creates a shallow copy. The array is new, but the objects inside still point to the same memory locations. When you mutate 

newStats[index][field]

, you’re actually mutating the original object. React/WordPress doesn’t detect this change because the object reference is the same.

The Fix

Create new objects when updating:

javascript// ✅ After (fixed - creates new objects)const updateStat = (index, field, value) => {    const newStats = stats.map((stat, i) => {        if (i === index) {            return { ...stat, [field]: value };  // New object with updated field        }        return stat;    });    setAttributes({ stats: newStats });};

This creates a new object for the item being updated using 

{ ...stat, [field]: value }

, which properly triggers WordPress to save the changes.

Refresh the editor and your stats/features edits should now save correctly! 🎉

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block里面文字无法保存的问题的解释

Your update function...